`mail.sem.de`

DNSSEC	⚠️ Not signed
A	82.223.20.239^{🇪🇸 IONOS-AS82.223.0.0/16 arsys.es}
		PTR	`mail.priority.de`

`sem.de`

	DNSSEC	⚠️ Not signed
	A	217.154.155.42^{🇬🇧 IONOS-AS217.154.152.0/22 IONOS SE}
	NS	`ns1.ns-serve.net` ⭐
	NS	`ns2.ns-serve.net`
	MX	`mail.sem.de` ⭐
	SOA	`ns1.ns-serve.net`root@ns1.ns-serve.net serial=1774637178

MX for

sem.de

Same first word

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DNS History

2 records (1 active, 1 former)

○A81.89.255.32015-07-07 → 2016-07-13 · 4 obs

● 2015-07-07 21:45:54
● 2016-07-13 06:44:10
○ 2026-03-31 03:44:12
○ 2026-04-15 08:14:28

●A82.223.20.2392026-03-31 → 2026-04-15 · 3 obs

○ 2016-07-13 06:44:10
● 2026-03-31 03:44:12
● 2026-04-15 08:14:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
sem.de	ns2.ns-serve.net, ns1.ns-serve.net	-

✅ Authoritative Response

Server:195.191.92.140

NS records: ns2.ns-serve.net, ns1.ns-serve.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sem.de (unsigned zone)

⏱️ Timing

Total: 1113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.223.20.239`

Analysis

Mail Server Role

mail.sem.de is the mail server for sem.de.

IP Addresses

mail.sem.de resolves to one IP number: 82.223.20.239.

other host names including mail.mgx.de, mail.priority.de, mail.vhn.com, 4800.de and ns2.namebutler.de share IP numbers with mail.sem.de.

mail.sem.de - robtex.com

mail.sem.de

sem.de