Reverse DNS Lookup for 152.157.78.173

Searching for 173.78.157.152.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 30 ms
Searching for 173.78.157.152.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 6 ms

Searching for r.arin.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 31 ms
Searching for r.arin.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms

Searching for 173.78.157.152.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63] ...took 91 ms

Searching for apple.wa-k20.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30] ...took 31 ms
Searching for apple.wa-k20.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 31 ms
Searching for apple.wa-k20.net. A record at ruler.wa-k20.net. [68.179.206.139] ...took 176 ms

Searching for 173.78.157.152.in-addr.arpa. PTR record at apple.wa-k20.net. [68.179.206.40] ...took 169 ms
SERVFAIL
Searching for 173.78.157.152.in-addr.arpa. PTR record at ruler.wa-k20.net. [68.179.206.139] ...took 177 ms
SERVFAIL
Searching for 173.78.157.152.in-addr.arpa. PTR record at ruler.wa-k20.net. [68.179.206.139] ...took 177 ms
SERVFAIL
Searching for 173.78.157.152.in-addr.arpa. PTR record at apple.wa-k20.net. [68.179.206.40] ...took 170 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 1,213 ms