ok, voici le fichier de conf de dhcdp6 :
/etc/dhcpd6.conf :
default-lease-time 2592000;
log-facility local7; # log redirection
preferred-lifetime 604800;
option dhcp-renewal-time 3600;
option dhcp-rebinding-time 7200;
allow leasequery;
option dhcp6.name-servers 2a01:cb22:8b8:100::2;
option dhcp6.domain-search "sebetsab.fr";
option dhcp6.info-refresh-time 21600;
# The subnet where the server is attached
# (i.e., the server has an address in this subnet)
subnet6 2a01:cb22:8b8:100::/64 {
# Two addresses available to clients
# (the third client should get NoAddrsAvail)
#range6 2a01:cb22:8b8:100::a 2a01:cb22:8b8:100::96;
range6 2a01:cb22:8b8:100:1111:1111:1111:0 2a01:cb22:8b8:100:1111:1111:1111:100; # <- J'ai mis ca juste pour tester
# Range for clients requesting a temporary address
#range6 2a01:cb22:8b8:100:7777::/96 temporary;
# Use the whole /64 prefix for temporary addresses
# (i.e., direct application of RFC 4941)
#range6 2a01:cb22:8b8:100::/64 temporary;
# Some /64 prefixes available for Prefix Delegation (RFC 3633)
#prefix6 3ffe:501:ffff:100:: 3ffe:501:ffff:111:: /64;
option dhcp6.name-servers 2a01:cb22:8b8:100::2;
option dhcp6.domain-search "sebetsab.fr";
}
résultat de : tcpdump -i <interface name> -n -vv '(udp port 546 or 547) or (icmp6 or ip6[40] == 134)' :
14:55:49.770386 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::3161:b09a:e295:49d4 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::f66b:efff:fe0f:xxxx
source link-address option (1), length 8 (1): 2c:4d:54:26:b8:eb
0x0000: 2c4d 5426 b8eb
14:55:49.770791 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 24) fe80::f66b:efff:fe0f:xxxx > fe80::3161:b09a:e295:49d4: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is fe80::f66b:efff:fe0f:xxxx, Flags [router, solicited]
14:55:54.776249 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > fe80::3161:b09a:e295:49d4: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::3161:b09a:e295:49d4
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:55:54.776284 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) fe80::3161:b09a:e295:49d4 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is fe80::3161:b09a:e295:49d4, Flags [solicited]
14:55:58.556295 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:ff66:c163: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::a065:945e:2066:c163
unknown option (14), length 8 (1):
0x0000: fc08 0b5b 8c71
14:55:58.556300 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:ff66:c163: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::a065:945e:2066:c163
unknown option (14), length 8 (1):
0x0000: fc08 0b5b 8c71
14:55:59.329503 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 104) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 104
hop limit 64, Flags [other stateful], pref high, router lifetime 600s, reachable time 0ms, retrans timer 0ms
prefix info option (3), length 32 (4): 2a01:cb22:8b8:100::/64, Flags [onlink, auto], valid time 1800s, pref. time 600s
0x0000: 40c0 0000 0708 0000 0258 0000 0000 2a01
0x0010: cb22 08b8 0100 0000 0000 0000 0000
rdnss option (25), length 24 (3): lifetime 600s, addr: 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx
0x0000: 0000 0000 0258 2a01 cb22 08b8 0100 f66b
0x0010: efff fe0f xxxx
dnssl option (31), length 16 (2): lifetime 600s, domain(s): home.
0x0000: 0000 0000 0258 0468 6f6d 6500 0000
mtu option (5), length 8 (1): 1500
0x0000: 0000 0000 05dc
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:55:59.652021 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > ff02::1:ff6f:28f1: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:55:59.652092 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1, Flags [solicited, override]
destination link-address option (2), length 8 (1): 2c:4d:54:26:b8:eb
0x0000: 2c4d 5426 b8eb
14:55:59.705830 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:55:59.705871 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1, Flags [solicited, override]
destination link-address option (2), length 8 (1): 2c:4d:54:26:b8:eb
0x0000: 2c4d 5426 b8eb
14:56:00.324624 IP6 (flowlabel 0xbb74e, hlim 255, next-header ICMPv6 (58) payload length: 8) fe80::a065:945e:2066:c163 > ff02::2: [icmp6 sum ok] ICMP6, router solicitation, length 8
14:56:00.324628 IP6 (flowlabel 0xbb74e, hlim 255, next-header ICMPv6 (58) payload length: 8) fe80::a065:945e:2066:c163 > ff02::2: [icmp6 sum ok] ICMP6, router solicitation, length 8
14:56:02.814370 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 104) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 104
hop limit 64, Flags [other stateful], pref high, router lifetime 600s, reachable time 0ms, retrans timer 0ms
prefix info option (3), length 32 (4): 2a01:cb22:8b8:100::/64, Flags [onlink, auto], valid time 1800s, pref. time 600s
0x0000: 40c0 0000 0708 0000 0258 0000 0000 2a01
0x0010: cb22 08b8 0100 0000 0000 0000 0000
rdnss option (25), length 24 (3): lifetime 600s, addr: 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx
0x0000: 0000 0000 0258 2a01 cb22 08b8 0100 f66b
0x0010: efff fe0f xxxx
dnssl option (31), length 16 (2): lifetime 600s, domain(s): home.
0x0000: 0000 0000 0258 0468 6f6d 6500 0000
mtu option (5), length 8 (1): 1500
0x0000: 0000 0000 05dc
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:56:02.815262 IP6 (flowlabel 0x89e58, hlim 1, next-header UDP (17) payload length: 52) fe80::a065:945e:2066:c163.546 > ff02::1:2.547: [udp sum ok] dhcp6 inf-req (xid=5d9fd8 (option-request DNS-server DNS-search-list NTP-server SNTP-servers) (client-ID type 4) (elapsed-time 0))
14:56:02.815270 IP6 (flowlabel 0x89e58, hlim 1, next-header UDP (17) payload length: 52) fe80::a065:945e:2066:c163.546 > ff02::1:2.547: [udp sum ok] dhcp6 inf-req (xid=5d9fd8 (option-request DNS-server DNS-search-list NTP-server SNTP-servers) (client-ID type 4) (elapsed-time 0))
14:56:02.815649 IP6 (flowlabel 0xbc5aa, hlim 64, next-header UDP (17) payload length: 89) fe80::221:70ff:fe6c:2fea.547 > fe80::a065:945e:2066:c163.546: [udp sum ok] dhcp6 reply (xid=5d9fd8 (client-ID type 4) (server-ID hwaddr/time type 1 time 648380930 0021706c2fea) (DNS-server 2a01:cb22:8b8:100::2) (DNS-search-list sebetsab.fr.))
14:56:02.816321 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > ff02::1:ff66:c163: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::a065:945e:2066:c163
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:56:02.816715 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is fe80::a065:945e:2066:c163, Flags [solicited, override]
destination link-address option (2), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:02.816718 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is fe80::a065:945e:2066:c163, Flags [solicited, override]
destination link-address option (2), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:02.816969 IP6 (class 0xc0, hlim 64, next-header UDP (17) payload length: 82) fe80::f66b:efff:fe0f:xxxx.547 > fe80::a065:945e:2066:c163.546: [udp sum ok] dhcp6 reply (xid=5d9fd8 (client-ID type 4) (server-ID hwaddr/time type 1 time 648306847 f46bef0fxxxx) (DNS-server fe80::f66b:efff:fe0f:xxxx) (DNS-search-list home.))
14:56:02.891729 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:fff0:b1a7: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:2c42:114a:2bf0:b1a7
unknown option (14), length 8 (1):
0x0000: 3461 b099 4433
14:56:02.891732 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:fff0:b1a7: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:2c42:114a:2bf0:b1a7
unknown option (14), length 8 (1):
0x0000: 3461 b099 4433
14:56:03.361306 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:ff09:cb3c: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c
unknown option (14), length 8 (1):
0x0000: ce34 2b6d 9b39
14:56:03.361311 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) :: > ff02::1:ff09:cb3c: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c
unknown option (14), length 8 (1):
0x0000: ce34 2b6d 9b39
14:56:07.984829 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::221:70ff:fe6c:2fea > fe80::a065:945e:2066:c163: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::a065:945e:2066:c163
source link-address option (1), length 8 (1): 00:21:70:6c:2f:ea
0x0000: 0021 706c 2fea
14:56:07.985434 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) fe80::a065:945e:2066:c163 > fe80::221:70ff:fe6c:2fea: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is fe80::a065:945e:2066:c163, Flags [solicited]
14:56:07.985445 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 24) fe80::a065:945e:2066:c163 > fe80::221:70ff:fe6c:2fea: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is fe80::a065:945e:2066:c163, Flags [solicited]
14:56:08.025252 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::f66b:efff:fe0f:xxxx
source link-address option (1), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:08.025274 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::f66b:efff:fe0f:xxxx
source link-address option (1), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:08.025711 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 24) fe80::f66b:efff:fe0f:xxxx > fe80::a065:945e:2066:c163: [icmp6 sum ok] ICMP6, neighbor advertisement, length 24, tgt is fe80::f66b:efff:fe0f:xxxx, Flags [router, solicited]
14:56:10.665210 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, echo request, seq 0
14:56:10.665249 IP6 (flowlabel 0x7ebb0, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::3161:b09a:e295:49d4 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.665455 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, echo request, seq 0
14:56:10.665491 IP6 (flowlabel 0x18691, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1 > 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.665740 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, echo request, seq 0
14:56:10.665783 IP6 (flowlabel 0x7ebb0, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::3161:b09a:e295:49d4 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.665807 IP6 (flowlabel 0x4c4e8, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.665813 IP6 (flowlabel 0x4c4e8, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.665841 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > ff02::1:ff0f:xxxx: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx
source link-address option (1), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:10.665844 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > ff02::1:ff0f:xxxx: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx
source link-address option (1), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:10.665998 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:101:f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, echo request, seq 0
14:56:10.666037 IP6 (flowlabel 0x1ac2c, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:5838:d4d8:6f6f:28f1 > 2a01:cb22:8b8:101:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666095 IP6 (flowlabel 0x4c4e8, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666100 IP6 (flowlabel 0x4c4e8, hlim 64, next-header ICMPv6 (58) payload length: 64) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666119 IP6 (flowlabel 0x2e742, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > 2a01:cb22:8b8:101:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666122 IP6 (flowlabel 0x2e742, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > 2a01:cb22:8b8:101:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666256 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx > 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx, Flags [router, solicited, override]
destination link-address option (2), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:56:10.666538 IP6 (flowlabel 0xfe947, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.666545 IP6 (flowlabel 0xfe947, hlim 64, next-header ICMPv6 (58) payload length: 64) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, echo reply, seq 0
14:56:10.699726 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:56:10.699853 IP6 (class 0xc0, hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::f66b:efff:fe0f:xxxx > ff02::1: [icmp6 sum ok] ICMP6, neighbor solicitation, length 32, who has fe80::a065:945e:2066:c163
source link-address option (1), length 8 (1): f4:6b:ef:0f:cb:a0
0x0000: f46b ef0f xxxx
14:56:10.700554 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c, Flags [solicited, override]
destination link-address option (2), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:10.700570 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is 2a01:cb22:8b8:100:cc4e:ca60:6a09:cb3c, Flags [solicited, override]
destination link-address option (2), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:10.700633 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertisement, length 32, tgt is fe80::a065:945e:2066:c163, Flags [solicited, override]
destination link-address option (2), length 8 (1): 08:00:27:a3:00:da
0x0000: 0800 27a3 00da
14:56:10.700640 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 32) fe80::a065:945e:2066:c163 > fe80::f66b:efff:fe0f:xxxx: [icmp6 sum ok] ICMP6, neighbor advertise
J'ai vu des flags other statefull mais j'ai du mal à interpréter tous ca...
Je vois par moment l'adresse de mon DNS transiter : (DNS-server 2a01:cb22:8b8:100::2)
Je vois également le DNS de la livebox transiter : 2a01:cb22:8b8:100:f66b:efff:fe0f:xxxx