WWW.RTSAK.COM - it21.de
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it21.de checked at 2025-11-18T21:58:55.108Z 374ms 83/83/83 100% R:8 allDone:true timedOut:false it21.de
| NS | docks03.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:3 🇩🇪 IONOS-AS | ||||||
| PTR | docks03.rzone.de | ||||||
| A | 217.160.80.130🇩🇪 IONOS-AS | ||||||
| PTR | docks03.rzone.de | ||||||
| NS | shades19.rzone.de | ||||||
| A | 2607:f1c0:fe:53:185:132:34:146 🇺🇸 IONOS-ANYCAST | ||||||
| PTR | shades19.rzone.de | ||||||
| A | 185.132.34.146🇩🇪 IONOS-ANYCAST | ||||||
| PTR | shades19.rzone.de | ||||||
| MX | smtpin.rzone.de | ||||||
| A | 2a01:238:20a:202:50f0::1097 🇩🇪 STRATO | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 2a01:238:20a:202:1161:: 🇩🇪 STRATO | ||||||
| PTR | wa1.rzone.de | ||||||
| A | 81.169.145.161🇩🇪 STRATO | ||||||
| PTR | wa1.rzone.de | ||||||
de
| NS | a.nic.de | ||||||
| NS | f.nic.de | ||||||
| NS | z.nic.de | ||||||
| NS | l.de.net | ||||||
| NS | n.de.net | ||||||
| NS | s.de.net | ||||||
Starts with same word
Starts similarily
AI analysis
it21.de resolves to two IP numbers: 2a01:238:20a:202:1161:: and 81.169.145.161.
other host names including juwelier-kremin.de, ecoarch.de, cesqeaux.com, wyk.bike and rheintank.com share IP numbers with it21.de.
it21.de is delegated to two name servers docks03.rzone.de and shades19.rzone.de.
it21.de shares the same name server setup as other domains, for instance 1me.de, etzkorn.net, tgz-isernhagen.technology, bteilung.de and drweinmann.com.
it21.de at least partially shares name servers with other domains, for instance iphi.de, ib3e.com, noeberlin.com, elektro-gacek.de and sfz-kempten.de.
These name servers are commonly used with the following name servers: shades08.rzone.de, shades15.rzone.de, docks02.rzone.de, shades14.rzone.de, docks16.rzone.de, docks13.rzone.de, shades05.rzone.de, docks01.rzone.de, docks11.rzone.de and shades01.rzone.de.
Host names with two IP numbers:
The host name docks03.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:3 and 217.160.80.130; the host name shades19.rzone.de points to 2607:f1c0:fe:53:185:132:34:146 and 185.132.34.146.
it21.de is handled by a single mail server, smtpin.rzone.de.
it21.de shares the same mail server setup as other domains, for instance gt-n.de, ewmm.de, saubert-net.de, bangboat.de and ln2.de.
smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.