Time-d.nist.gov serves time from 2610:20:6F15:15::27; I know that because I use it, but
7:38 Wed 01/18>nslookup 2610:20:6F15:15::27 127.0.0.1 Server: 127.0.0.1 Address: 127.0.0.1#53 ** server can't find 7.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.5.1.0.0.5.1.f.6.0.2.0.0.0.1.6.2.ip6.arpa: NXDOMAI Scott could try turning off automatic DNS name resolution from external servers and put the addresses he needs in the hosts file. That works with time servers that no longer publish their IP addresses. Charles Elliott -----Original Message----- From: questions [mailto:questions-bounces+elliott.ch=comcast....@lists.ntp.org] On Behalf Of Dan Geist Sent: Tuesday, January 17, 2017 10:40 AM To: Robert Scott Cc: questions Subject: Re: [ntp:questions] Testing IPv6 code Robert, that host doesn't look to have a v6 record: [dan@shell ~]$ host time-d.nist.gov time-d.nist.gov has address 129.6.15.27 Obviously, you're getting the ipv4 address correctly, though. Here's a good primer on IPv6 application porting: http://long.ccaba.upc.edu/long/045Guidelines/eva/ipv6.html Dan ----- Original Message ----- > From: "Robert Scott" <no-one@notreal.invalid> > To: "questions" <questions@lists.ntp.org> > Sent: Tuesday, January 17, 2017 10:25:17 AM > Subject: Re: [ntp:questions] Testing IPv6 code > Perhaps the problem is with my understanding of socket coding. I > found "time-d.nist.gov" that is supposed to have an IPv6 address of > 2610:20:6F15:15::27, but when I get its address info, it always says > IPv4, 129:6:15:27. I see the 15 and 27, so there is some translation > going on that I don't understand. My getaddrinfo is apparently > returning the IPv4 mapped equivalent. Does anyone know how to force > just IPv6 addresses? > > -Robert Scott > Hopkins, MN > > _______________________________________________ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions -- Dan Geist dan(@)polter.net _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
