CF1763296332726-tsm20251116095642

WWW.RTSAK.COM - www.21a.de

Search for IP or hostnames:

www.21a.de checked at 2025-11-16T12:32:12.286Z 2222ms 88/88/88 100% R:11 allDone:true timedOut:false

www.21a.de

CNAME21a.de
MXmail.21a.de
A87.106.157.90🇩🇪 IONOS-AS
PTRwww.21a.de
NSnsa9.schlundtech.de
A62.116.159.19🇩🇪 INTERNETX-AS
PTRnsa9.schlundtech.de
NSnsb9.schlundtech.de
A2001:8d8:580:401:217:160:113:59 🇩🇪 IONOS-AS
PTRnsb9.schlundtech.de
A217.160.113.59🇩🇪 IONOS-AS
PTRnsb9.schlundtech.de
NSnsc9.schlundtech.de
A2a01:130:2000:118:89:146:248:29 🇩🇪 INTERNET_AG
PTRnsc9.schlundtech.de
A89.146.248.29🇩🇪 INTERNET_AG
PTRnsc9.schlundtech.de
NSnsd9.schlundtech.de
A2607:f1c0:1800:8091:74:208:254:29 🇺🇸 IONOS-AS
PTRnsd9.schlundtech.de
A74.208.254.29🇺🇸 IONOS-AS
PTRnsd9.schlundtech.de
A87.106.157.90🇩🇪 IONOS-AS
PTRwww.21a.de

21a.de

MXmail.21a.de
NSnsa9.schlundtech.de
NSnsb9.schlundtech.de
NSnsc9.schlundtech.de
NSnsd9.schlundtech.de
A87.106.157.90🇩🇪 IONOS-AS

PTR for

Starts with same word

Starts similarily

AI analysis

www.21a.de resolves to a single IP: 87.106.157.90.

Other host names, for instance mail.atelier-fritz.de, mail.rented.de, mail.21a.de, atelier-fritz.de and 21a.de share IP numbers with www.21a.de.

www.21a.de is delegated to four name servers: nsa9.schlundtech.de, nsb9.schlundtech.de, nsc9.schlundtech.de and nsd9.schlundtech.de.

www.21a.de shares some name servers with other domains, for example erotic-vod.net, opentoys.net, open-gay.com, action-injection-painting.de and bentschneider.de.

Host names with two IP numbers:

nsb9.schlundtech.de points to 2001:8d8:580:401:217:160:113:59 and 217.160.113.59

nsc9.schlundtech.de points to 2a01:130:2000:118:89:146:248:29 and 89.146.248.29

nsd9.schlundtech.de points to 2607:f1c0:1800:8091:74:208:254:29 and 74.208.254.29

Host names with one IP number:

nsa9.schlundtech.de points to 62.116.159.19

www.21a.de is handled by a single mail server, mail.21a.de.

www.21a.de uses the same mail server setup as other domains, for example 21a.de.

Host name mail.21a.de points to IP 87.106.157.90.

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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