CF1763123401184-tsm20251109205412

IPLIST.NET - 231.21.217.in-addr.arpa

Search for IP or hostnames:

231.21.217.in-addr.arpa checked at 2025-11-14T12:30:01.164Z 260ms 77/77/77 100% R:11 allDone:true timedOut:false

231.21.217.in-addr.arpa

NSns03.stockholm.se
A2a03:c780:ffff:d0::11 πŸ‡ΈπŸ‡ͺ STEK-AS
PTRkn3-externdns1.stek.se
PTRns03.stockholm.se
A217.21.224.88πŸ‡ΈπŸ‡ͺ STEK-AS
PTRkn3-externdns1.stek.se
PTRns03.stockholm.se
NSns04.stockholm.se
A2a03:c780:ffff:d1::11 πŸ‡ΈπŸ‡ͺ STEK-AS
PTRkn6-externdns2.stek.se
PTRns04.stockholm.se
A217.21.224.89πŸ‡ΈπŸ‡ͺ STEK-AS
PTRkn6-externdns2.stek.se
PTRns04.stockholm.se
NSa.dns.tele2.net
A2001:6f0:0:1::2:2 πŸ‡ΈπŸ‡ͺ SWIPNET
PTRa.dns.tele2.net
A213.50.29.190πŸ‡ΈπŸ‡ͺ SWIPNET
PTRa.dns.tele2.net
NSb.dns.tele2.net
A2001:6f0:0:1::1:2 πŸ‡ΈπŸ‡ͺ SWIPNET
PTRb.dns.tele2.net
A213.50.29.195πŸ‡ΈπŸ‡ͺ SWIPNET
PTRb.dns.tele2.net
NSc.dns.tele2.net
A2001:6b0:7:124::20 πŸ‡ΈπŸ‡ͺ SUNET
PTRc.dns.tele2.net
A130.242.124.20πŸ‡ΈπŸ‡ͺ SUNET
PTRc.dns.tele2.net

21.217.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

231.21.217.in-addr.arpa is a parent of 139.231.21.217.in-addr.arpa, 46.231.21.217.in-addr.arpa, 120.231.21.217.in-addr.arpa, 157.231.21.217.in-addr.arpa, 187.231.21.217.in-addr.arpa and a few other host names.

231.21.217.in-addr.arpa is delegated to five name servers: ns03.stockholm.se, ns04.stockholm.se, a.dns.tele2.net, b.dns.tele2.net and c.dns.tele2.net.

231.21.217.in-addr.arpa at least partially shares name servers with other domains, for example renova.se, 16.50.213.in-addr.arpa, kommunsamverkan.se, 146.54.195.in-addr.arpa and 127.50.213.in-addr.arpa.

these name servers are commonly used with ns1.handelsbanken.se, ns2.handelsbanken.se, ns3.handelsbanken.se, ns1.ntm.se, ns2.ntm.se and orebro.dns.swip.net.

Host names with two IP numbers

Each host name points to two IP numbers:

ns03.stockholm.se points to 2a03:c780:ffff:d0::11 and 217.21.224.88

ns04.stockholm.se points to 2a03:c780:ffff:d1::11 and 217.21.224.89

a.dns.tele2.net points to 2001:6f0:0:1::2:2 and 213.50.29.190

b.dns.tele2.net points to 2001:6f0:0:1::1:2 and 213.50.29.195

c.dns.tele2.net points to 2001:6b0:7:124::20 and 130.242.124.20

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