Hostname or IP
Type
Searching for 21.158.121.143.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17] ...took 1 ms
Searching for 21.158.121.143.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 27 ms
Searching for y.arin.net. A record at L.ROOT-SERVERS.NET. [199.7.83.42] ...took 50 ms
Searching for y.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 86 ms
Searching for y.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 91 ms
Searching for 21.158.121.143.in-addr.arpa. PTR record at y.arin.net. [192.82.134.30] ...took 2 ms
Searching for dex1001.umcutrecht.nl. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 16 ms
Searching for dex1001.umcutrecht.nl. A record at ns2.dns.nl. [194.146.106.42] ...took 287 ms
Searching for dex1001.umcutrecht.nl. A record at dex2001.umcutrecht.nl. [143.121.237.52] ...took 9 ms
Searching for 21.158.121.143.in-addr.arpa. PTR record at dex1001.umcutrecht.nl. [143.121.237.53] ...took 10 ms

Nameserver dex1001.umcutrecht.nl. reports: No such host 21.158.121.143.in-addr.arpa.



Total elapsed query time: 579 ms
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