`mail.computer-experten.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:1801:53a::1^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`ct-webservices.de`
A	217.160.187.79^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}

`computer-experten.de`

	DNSSEC	⚠️ Not signed
	A	2001:8d8:1801:53a::1^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
	A	217.160.187.79^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
	NS	`ns.ct-webservices.de` ⭐
	NS	`nsb3.schlundtech.de`
	NS	`nsc3.schlundtech.de`
	NS	`nsd3.schlundtech.de`
	MX	`mail.computer-experten.de` ⭐
	TXT	`v=spf1 a mx a:ct-webservices.de ~all`
	SOA	`ns.ct-webservices.de`Michael\@Scheller.computer-experten.de 2023-01-16 #4

MX for

computer-experten.de

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DNS History

3 records (2 active, 1 former)

●A2001:8d8:1801:53a::12026-03-11 → 2026-03-26 · 3 obs

○ 2016-05-27 09:34:16
● 2026-03-11 16:16:14
● 2026-03-26 10:24:58

●A217.160.187.792026-03-11 → 2026-03-26 · 3 obs

○ 2016-05-27 09:34:16
● 2026-03-11 16:16:14
● 2026-03-26 10:24:58

○A87.106.253.1202015-06-26 → 2016-05-27 · 4 obs

● 2015-06-26 14:00:58
● 2016-05-27 09:34:16
○ 2026-03-11 16:16:14
○ 2026-03-26 10:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
computer-experten.de	nsd3.schlundtech.de, ns.ct-webservices.de, nsb3.schlundtech.de, nsc3.schlundtech.de	-

✅ Authoritative Response

Server:217.160.81.227

NS records: nsd3.schlundtech.de, ns.ct-webservices.de, nsb3.schlundtech.de, nsc3.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computer-experten.de (unsigned zone)

⏱️ Timing

Total: 1017ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.187.79`
AAAA	1	`2001:8d8:1801:53a::1`

Analysis

Mail Server Role

mail.computer-experten.de serves as the mail server for computer-experten.de.

IP Addresses

mail.computer-experten.de points to two IPs: 2001:8d8:1801:53a::1 and 217.160.187.79.

Other host names including ct-webservices.de, pado.de, mallard.de, ns.tvcs.de and computer-experten.de share IP numbers with mail.computer-experten.de.

mail.computer-experten.de - robtex.com