This makes absolutely no sense and I spent 3 hours trying to figure this out. Suddenly all my scripts connecting to Facebook stopped working, so I tried to do this:
root@s01 [~]# wget http://graph.facebook.com
--2015-11-18 15:27:47-- http://graph.facebook.com/
Resolving graph.facebook.com... MY.SERVERS.IP
Connecting to graph.facebook.com|MY.SERVERS.IP|:80... connected.
HTTP request sent, awaiting response... 200 OK
Cookie coming from graph.facebook.com attempted to set domain to graph.facebook.com
Length: unspecified [text/html]
Saving to: `index.html.2'
[ <=> ] 85,752 --.-K/s in 0s
2015-11-18 15:27:47 (397 MB/s) - `index.html.2' saved [85752]
root@s01 [~]#
Strangely, when I connect to graph.facebook.com, it shows my server's IP instead. And I also can't access it via lynx, I get the same problem.
When I do a nslookup however or a host I get the correct IP for the Facebook graph server. What is happening here?
root@s01 [~]# nslookup graph.facebook.com
Server: 8.8.8.8
Address: 8.8.8.8#53
Non-authoritative answer:
graph.facebook.com canonical name = api.facebook.com.
api.facebook.com canonical name = star.c10r.facebook.com.
Name: star.c10r.facebook.com
Address: 31.13.70.1
root@s01 [~]# host graph.facebook.com
graph.facebook.com is an alias for api.facebook.com.
api.facebook.com is an alias for star.c10r.facebook.com.
star.c10r.facebook.com has address 31.13.70.1
star.c10r.facebook.com has IPv6 address 2a03:2880:f00d:1:face:b00c:0:1
star.c10r.facebook.com mail is handled by 10 msgin.vvv.facebook.com.
root@s01 [~]#
