They have 3 nameservers but ns1 isn't responding:
Code:
$ dig +norecurse -t ns Comforthost.net @ns3.techserverdns.com.
; <<>> DiG 9.4.2-P2 <<>> +norecurse -t ns Comforthost.net @ns3.techserverdns.com.
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57386
;; flags: qr aa; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 3
;; QUESTION SECTION:
;Comforthost.net. IN NS
;; ANSWER SECTION:
Comforthost.net. 14400 IN NS ns2.techserverdns.com.
Comforthost.net. 14400 IN NS ns3.techserverdns.com.
Comforthost.net. 14400 IN NS ns1.techserverdns.com.
;; ADDITIONAL SECTION:
ns1.techserverdns.com. 14400 IN A 184.171.243.14
ns2.techserverdns.com. 14400 IN A 209.119.116.32
ns3.techserverdns.com. 14400 IN A 209.119.116.38
;; Query time: 133 msec
;; SERVER: 209.119.116.38#53(209.119.116.38)
;; WHEN: Fri Nov 11 18:12:52 2011
;; MSG SIZE rcvd: 152
$ dig +norecurse -t ns Comforthost.net @ns1.techserverdns.com.
; <<>> DiG 9.4.2-P2 <<>> +norecurse -t ns Comforthost.net @ns1.techserverdns.com.
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 60001
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;Comforthost.net. IN NS
;; Query time: 138 msec
;; SERVER: 184.171.243.14#53(184.171.243.14)
;; WHEN: Fri Nov 11 18:13:05 2011
;; MSG SIZE rcvd: 33