Find IP PTR record name servers
host 8.8.8.8
8.8.8.8.in-addr.arpa domain name pointer google-public-dns-a.google.com
host -t ns 8.8.8.in-addr.arpa
8.8.8.in-addr.arpa name server ns2.google.com.
8.8.8.in-addr.arpa name server ns3.google.com.
8.8.8.in-addr.arpa name server ns1.google.com.
8.8.8.in-addr.arpa name server ns4.google.com.
Level3 DNS servers:
209.244.0.3
209.244.0.4
| Domain NS records | Nameserver records returned by the parent servers are:
ns01.dot.tk. [‘88.198.132.99’] [TTL=300] a.ns.tk was kind enough to give us that information. |
 |
Nameservers are lame | ERROR: looks like you have lame nameservers. The following nameservers are lame: 217.68.243.19 217.199.176.121 85.214.136.249 |
It seems .TK DNS name servers really have some problems:
[vit@localhost ~]$ host linux4you.tk
Host linux4you.tk not found: 2(SERVFAIL)
After 5 minutes:
[vit@localhost ~]$ host linux4you.tk
linux4you.tk has address 31.170.167.238
linux4you.tk mail is handled by 0 ASPMX.L.GOOGLE.COM.