CF1761457257370-tsm20251024211356

DNSWHOIS.INFO - 21.85.209.in-addr.arpa

Search for IP or hostnames:

21.85.209.in-addr.arpa checked at 2025-10-26T05:40:57.358Z 130ms 67/67/67 100% R:10

21.85.209.in-addr.arpa

NSns1.theplanet.com
A2607:f0d0:0:f:6::1 🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
A207.218.247.135🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTRns1.theplanet.com
NSns2.theplanet.com
A2607:f0d0:0:f:6::2 🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
A207.218.223.162🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTRns2.theplanet.com
NSns3.arpa.networklayer.com
A2607:f0d0:0:15:1100::1 🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTR1.00.0000.ip4.static.sl-reverse.com
A67.228.254.26🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTR1a.fe.e443.ip4.static.sl-reverse.com
NSns4.arpa.networklayer.com
A2607:f0d0:0:15:2100::1 🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTR1.00.0000.ip4.static.sl-reverse.com
A67.228.255.26🇺🇸 SoftLayer Technologies, Inc. (an IBM Company)
PTR1a.ff.e443.ip4.static.sl-reverse.com

85.209.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

21.85.209.in-addr.arpa is the parent of 191.21.85.209.in-addr.arpa and 27.21.85.209.in-addr.arpa.

21.85.209.in-addr.arpa delegates to four name servers: ns1.theplanet.com, ns2.theplanet.com, ns3.arpa.networklayer.com and ns4.arpa.networklayer.com.

21.85.209.in-addr.arpa at least partially shares name servers with other domains, for instance 164.133.174.in-addr.arpa, b4.1343.static.theplanet.com, e4.79ae.static.theplanet.com, 34.1243.static.theplanet.com and 249.120.174.in-addr.arpa.

These name servers are commonly used with ns1.konnections.com and ns2.konnections.com.

Host names with two IP numbers: ns1.theplanet.com points to 2607:f0d0:0:f:6::1 and 207.218.247.135; ns2.theplanet.com points to 2607:f0d0:0:f:6::2 and 207.218.223.162; ns3.arpa.networklayer.com points to 2607:f0d0:0:15:1100::1 and 67.228.254.26; ns4.arpa.networklayer.com points to 2607:f0d0:0:15:2100::1 and 67.228.255.26.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

tcIRDnH CF johedugfp 2025-10-26