[ Edit: I'm almost certain it's an ipv6 vs ipv4 issue. the ipv4 addresses resolve to github pages land, the ipv6 address resolves to somewhere inside OVH - the

[ Edit: I'm almost certain it's an ipv6 vs ipv4 issue. the ipv4 addresses resolve to github pages land, the ipv6 address resolves to somewhere inside OVH - the issue being that if the viewer's network infrastructure prefers ipv6, they will get a holding page from OVH stating that that "Site not installed / The site ghirardotti.fr is not yet installed" ] Dig: dig ghirardotti.fr ;; ->>HEADER<<- opcode: QUERY, rcode: NOERROR, id: 19860 ;; flags: qr rd ra ; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;; ghirardotti.fr. IN A ;; ANSWER SECTION: ghirardotti.fr. 3112 IN A 192.30.252.154 ghirardotti.fr. 3112 IN A 192.30.252.153 ;; AUTHORITY SECTION: ;; ADDITIONAL SECTION: Both ip's belong to Github, probably used as a failover/load balancing/round robin pair of some kind. reverse dns dig -x 192.30.252.154 ; <<>> DiG 9.8.3-P1 <<>> -x 192.30.252.154 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46826 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;154.252.30.192.in-addr.arpa. IN PTR ;; ANSWER SECTION: 154.252.30.192.in-addr.arpa. 3593 IN PTR pages.github.com. dig ipv6: dig AAAA ghirardotti.fr ; <<>> DiG 9.8.3-P1 <<>> AAAA ghirardotti.fr ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 0 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ghirardotti.fr. IN AAAA ;; ANSWER SECTION: ghirardotti.fr. 1613 IN AAAA 2001:41d0:1:1b00:213:186:33:19 ;; Query time: 91 msec Reverse dns on that: dig -x 2001:41d0:1:1b00:213:186:33:19 ; <<>> DiG 9.8.3-P1 <<>> -x 2001:41d0:1:1b00:213:186:33:19 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25262 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;9.1.0.0.3.3.0.0.6.8.1.0.3.1.2.0.0.0.b.1.1.0.0.0.0.d.1.4.1.0.0.2.ip6.arpa. IN PTR ;; ANSWER SECTION: 9.1.0.0.3.3.0.0.6.8.1.0.3.1.2.0.0.0.b.1.1.0.0.0.0.d.1.4.1.0.0.2.ip6.arpa. 85728 IN PTR cluster010.ovh.net.