nanog mailing list archives
Re: Fwd: The Root has got an A record
From: Janet Sullivan <ciscogeek () bgp4 net>
Date: Mon, 10 Oct 2005 08:55:43 -0700
Joe Blanchard wrote:
Hmm, B has the same one, and C has all the other Roots listed as A records. Would/could this really cause any sort of an issuethough?
Its not records like a.public-root.net. 369 IN A 205.189.71.2that are the issue. That's as it should be. (Well... if you accept that public-root should be. ;-) )
This record, however, is not correct: . 172800 IN A 57.67.193.188 That is the root. For those of you who need reminding on how DNS works... . the root / | \ / | \ / | \ .com .net .org top level domains | | | | yahoo bgp4 domain names | | | | www sea host (or subdomain)The trailing dot is left out in day to day use when we use URLS like www.yahoo.com - however, its really www.yahoo.com. - note the dot on the end. That's the root.
Having an A record for the root is one better than having an A record for, say, .edu. In other words, this shouldn't work:
[aura.sea.bgp4.net] (ciscogeek) nslookup . a.public-root.net Server: a.public-root.net Address: 205.189.71.2#53 Name: . Address: 57.67.193.188As for what issues it could cause, I'm not sure. I can't think of any off hand, but who knows what poorly written application may not be expecting an A record for the root.
For most people though, it doesn't matter, because they aren't using public-root in the first place.
I now return you to the Cogent/Level3 thread.
Current thread:
- Re: Fwd: The Root has got an A record, (continued)
- Re: Fwd: The Root has got an A record Jon Lewis (Oct 10)
- Re: Fwd: The Root has got an A record Valdis . Kletnieks (Oct 10)
- Re: Fwd: The Root has got an A record Peter Dambier (Oct 10)
- Re: Fwd: The Root has got an A record Jon Lewis (Oct 10)
- Re: Fwd: The Root has got an A record Todd Vierling (Oct 10)
- Re: Fwd: The Root has got an A record Bill Stewart (Oct 12)
- Re: Fwd: The Root has got an A record Peter Dambier (Oct 11)
- Re: Fwd: The Root has got an A record Andre Oppermann (Oct 11)
- Re: Fwd: The Root has got an A record Michael . Dillon (Oct 11)
- Re: Fwd: The Root has got an A record Andre Oppermann (Oct 11)
- Re: Fwd: The Root has got an A record Joe Blanchard (Oct 10)
- Re: Fwd: The Root has got an A record Janet Sullivan (Oct 10)
- Re: Fwd: The Root has got an A record Peter (Oct 10)
- Re: Fwd: The Root has got an A record Janet Sullivan (Oct 10)
- Re: Fwd: The Root has got an A record Jon Lewis (Oct 10)