I've been doing some digging around and it appears that 2nd level .INFO domain names
still only have NS records...no A records for their associated name servers (note
the lack of the Additional Records Section). I'm not sure if that's a problem, but
I would suspect it makes .INFO lookups slower and less reliable overall than .COM
lookups.Example lookups:
2nd level .INFO domain:
Sunday, October 07, 2001
03:56:17AM
Name Server LookUp for sun.info
Search Type: ALL - All records
Name
Server: tld1.nominum.com
Header:
ID=2671, QR=Response, Opcode=QUERY,
RCODE=NO ERROR
Authoritative Answer=No, Truncation=No
Recursion Desired=Yes, Recursion Available=No
QDCOUNT=1, ANCOUNT=0,
NSCOUNT=2, ARCOUNT=0
Question:
Name=sun.info, QTYPE=ALL, QCLASS=1
Authority
Records Section:
- Name=sun.info
Type=NS, Class=1, TTL=86400
(1 Day), RDLENGTH=16
Name Server=ns-brm.sun.com
- Name=sun.info
Type=NS, Class=1, TTL=86400 (1 Day), RDLENGTH=5
Name Server=ns.sun.com
---
2nd
level .COM domain:
Sunday, October 07, 2001 03:57:15AM
Name Server LookUp for
sun.com
Search Type: ALL - All records
Name Server: A.GTLD-SERVERS.NET
Header:
ID=2520, QR=Response, Opcode=QUERY, RCODE=NO ERROR
Authoritative
Answer=No, Truncation=No
Recursion Desired=Yes, Recursion Available=No
QDCOUNT=1, ANCOUNT=3, NSCOUNT=3, ARCOUNT=3
Question:
Name=sun.com,
QTYPE=ALL, QCLASS=1
Answer Section:
- Name=sun.com
Type=NS,
Class=1, TTL=172800 (2 Days), RDLENGTH=5
Name Server=NS.sun.com
-
Name=sun.com
Type=NS, Class=1, TTL=172800 (2 Days), RDLENGTH=10
Name Server=NS.USEC.sun.com
- Name=sun.com
Type=NS, Class=1,
TTL=172800 (2 Days), RDLENGTH=9
Name Server=NS-BRM.sun.com
Authority
Records Section:
- Name=sun.com
Type=NS, Class=1, TTL=172800
(2 Days), RDLENGTH=2
Name Server=NS.sun.com
- Name=sun.com
Type=NS, Class=1, TTL=172800 (2 Days), RDLENGTH=2
Name Server=NS.USEC.sun.com
-
Name=sun.com
Type=NS, Class=1, TTL=172800 (2 Days), RDLENGTH=2
Name Server=NS-BRM.sun.com
Additional Records Section:
- Name=NS.sun.com
Type=A, Class=1, TTL=172800 (2 Days), RDLENGTH=4
IP Address=192.9.9.3
-
Name=NS.USEC.sun.com
Type=A, Class=1, TTL=172800 (2 Days), RDLENGTH=4
IP Address=192.9.48.3
- Name=NS-BRM.sun.com
Type=A, Class=1,
TTL=172800 (2 Days), RDLENGTH=4
IP Address=192.18.99.5
---
Now
which looks more reliable to you?? It's interesting to note that Afilias themselves
use A records for their domains, but not for those of their customers. So much for
reliability...or is there more to this that I'm missing??
Welcome feedback on this
issue...