Anyone have a good contact? I emailed the whois for the IP network but haven't heard back yet. Didn't find any contact info in whois for ed.gov. 
ed.gov. 86400 IN NS eduftcdnsp01.ed.gov.
ed.gov. 86400 IN NS eduftcdnsp02.ed.gov.
ed.gov. 86400 IN NS eduptcdnsp01.ed.gov.
ed.gov. 86400 IN NS eduptcdnsp02.ed.gov.
dig: couldn't get address for 'eduftcdnsp01.ed.gov'
Unable to reach their nameservers from 104/8 networks. Other networks are fine.
Jack Bates
Paradox Networks
I also cannot retrieve glue records, but have them cached on my server:
Fails (+trace implies +dnssec however):
dig +short +trace ed.gov ns
Works:
~$ dig @ns.olp.net ed.gov ns
<cut>
;; ANSWER SECTION:
ed.gov. 3478 IN NS eduptcdnsp01.ed.gov.
ed.gov. 3478 IN NS eduftcdnsp02.ed.gov.
ed.gov. 3478 IN NS eduftcdnsp01.ed.gov.
ed.gov. 3478 IN NS eduptcdnsp02.ed.gov.
;; ADDITIONAL SECTION:
eduftcdnsp01.ed.gov. 26896 IN A 165.224.21.6
eduftcdnsp01.ed.gov. 26896 IN AAAA
2610:e8:907f:1:cd99:4fb7:bb7:2213
eduftcdnsp02.ed.gov. 26896 IN A 165.224.21.5
eduftcdnsp02.ed.gov. 26896 IN AAAA
2610:e8:907f:1:d093:1118:adf3:7473
eduptcdnsp01.ed.gov. 26896 IN A 165.224.212.6
eduptcdnsp01.ed.gov. 26896 IN AAAA
2610:e8:9080:1:88dc:90ef:b68:490
eduptcdnsp02.ed.gov. 26896 IN A 165.224.212.5
eduptcdnsp02.ed.gov. 26896 IN AAAA
2610:e8:9080:1:8c49:4c6a:b596:f07b
The servers are responding:
~$ dig @165.224.21.6 www.ed.gov
<cut>
;; ANSWER SECTION:
www.ed.gov. 3600 IN CNAME www.ed.gov.adtihosting.com.
edtihosting.com is not retrievable in whois either, but its dns is cached
as well. Their webpage (www.adtihosting.com) advertises itself as
"Localweb.com", and their website lists this contact information:
Departments
Technical Support:
For questions relating to setting up a new account or questions about
existing accounts please contact our technical department at 1-800-525-0031
or via e-mail support@localweb.com