Reverse DNS Lookup for 198.85.20.1

Searching for 1.20.85.198.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 1.20.85.198.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms

Searching for y.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for y.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 21 ms
Searching for y.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 148 ms

Searching for 1.20.85.198.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30] ...took 7 ms

Searching for ns-01.mcnc.org. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns-01.mcnc.org. A record at a2.org.afilias-nst.info. [199.249.112.1] ...took 6 ms
Searching for ns-01.mcnc.org. A record at ns-02.mcnc.org. [192.101.21.1] ...took 115 ms

Searching for 1.20.85.198.in-addr.arpa. PTR record at ns-01.mcnc.org. [152.45.127.1] ...took 115 ms
SERVFAIL
Searching for 1.20.85.198.in-addr.arpa. PTR record at ns-02.mcnc.org. [192.101.21.1] ...took 115 ms
SERVFAIL
Searching for 1.20.85.198.in-addr.arpa. PTR record at ns-01.mcnc.org. [152.45.127.1] ...took 115 ms
SERVFAIL
Searching for 1.20.85.198.in-addr.arpa. PTR record at ns-02.mcnc.org. [192.101.21.1] ...took 115 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 917 ms