`mx21.it-soft.com`

	DNSSEC	⚠️ Not signed
	A	2003:a:b42:100:a00:27ff:feae:843e^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
	A	80.147.194.67^{🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider}

`it-soft.com`

	DNSSEC	⚠️ Not signed
	A	87.138.137.15^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
	NS	`ns16.itsns.de` ⭐
	NS	`ns17.itsns.de`
	MX	`mx5.it-soft.com` ⭐
	TXT	`apple-domain-verification=M2Mmn00yuYGVEO1I`
	TXT	`v=spf1 mx a ip4:92.42.187.121 ip4:80.147.194.67 a:mx5.it-soft.com a:mx21.it-s...`
	TXT	`apple-domain-verification=DWUTbDNdoGSfZKpaT479LRj3y7t1aC-rwKnP03xqyZo`
	TXT	`google-site-verification=57SWd3r-L_H9-h9zz5ei8CsMPLaZeM1bcuXZzopTatM`
	SOA	`ns16.itsns.de`nsadmin@it-soft.com 2026-03-17 #2

PTR for

67.194.147.80.in-addr.arpa

Same first word

mx21.net

Similar names

21xm.com

21mx.de

12mx.cn

21xm.cn

1mx2.com

mx12.com

x12m.com

DNS History

2 records (2 active, 0 former)

●A2003:a:b42:100:a00:27ff:feae:843e2026-02-24 → 2026-04-06 · 2 obs

● 2026-02-24 12:47:06
● 2026-04-06 11:03:38

●A80.147.194.672026-02-24 → 2026-04-06 · 2 obs

● 2026-02-24 12:47:06
● 2026-04-06 11:03:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
it-soft.com	ns16.itsns.de, ns17.itsns.de	-

✅ Authoritative Response

Server:87.138.137.15

NS records: ns16.itsns.de, ns17.itsns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-soft.com (unsigned zone)

⏱️ Timing

Total: 712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.147.194.67`
AAAA	1	`2003:a:b42:100:a00:27ff:feae:843e`

Analysis

IP Addresses

mx21.it-soft.com points to two IP numbers: 2003:a:b42:100:a00:27ff:feae:843e and 80.147.194.67.

Other host names, for instance mail.reifen-eisenreiter.de, ns16.itsns.de, mail.volvo-hohenlohe.de, mail.ueberdruck.eu and mail.m-i-p.biz share IP numbers with mx21.it-soft.com.

mx21.it-soft.com - robtex.com

mx21.it-soft.com

it-soft.com