Reverse DNS Lookup for 152.157.79.253

Searching for 253.79.157.152.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 253.79.157.152.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 100 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 i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for y.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms

Searching for 253.79.157.152.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30] ...took 6 ms

Searching for apple.wa-k20.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for apple.wa-k20.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for apple.wa-k20.net. A record at ruler.wa-k20.net. [68.179.206.139] ...took 167 ms

Searching for 253.79.157.152.in-addr.arpa. PTR record at apple.wa-k20.net. [68.179.206.40] ...took 156 ms
SERVFAIL
Searching for 253.79.157.152.in-addr.arpa. PTR record at ruler.wa-k20.net. [68.179.206.139] ...took 163 ms
SERVFAIL
Searching for 253.79.157.152.in-addr.arpa. PTR record at ruler.wa-k20.net. [68.179.206.139] ...took 164 ms
SERVFAIL
Searching for 253.79.157.152.in-addr.arpa. PTR record at apple.wa-k20.net. [68.179.206.40] ...took 159 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 994 ms