`mail.mrtutorial.de`

DNSSEC	⚠️ Not signed
A	85.13.128.173^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
		PTR	`dd53032.kasserver.com`

`mrtutorial.de`

	DNSSEC	⚠️ Not signed
	A	85.13.128.173^{🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich}
	NS	`ns5.kasserver.com` ⭐
	NS	`ns3.ai-dns.de`
	NS	`ns5.name-server-kas.de`
	NS	`ns6.kasserver.com`
	MX	`w00874d7.kasserver.com` ⭐
	TXT	`v=spf1 a mx include:spf.kasserver.com ~all`
	SOA	`ns5.kasserver.com`hostmaster@kasserver.com serial=2512161615

Previously MX for

mrtutorial.de

Same first word

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DNS History

2 records (1 active, 1 former)

●A85.13.128.1732026-03-28 → 2026-05-10 · 3 obs

○ 2016-08-14 03:51:34
● 2026-03-28 06:35:42
● 2026-05-10 03:09:56

○A85.13.136.1352015-08-03 → 2016-08-14 · 4 obs

● 2015-08-03 19:32:54
● 2016-08-14 03:51:34
○ 2026-03-28 06:35:42
○ 2026-05-10 03:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
mrtutorial.de	ns5.kasserver.com, ns6.kasserver.com, ns3.ai-dns.de, ns5.name-server-kas.de	2 records

✅ Authoritative Response

Server:168.119.5.244

NS records: ns5.kasserver.com, ns6.kasserver.com, ns3.ai-dns.de, ns5.name-server-kas.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrtutorial.de (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.13.128.173`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.ai-dns.de, ns5.name-server-kas.de)

Analysis

IP Addresses

mail.mrtutorial.de points to a single IP number: 85.13.128.173.

Other host names, for instance bioingenieure.de, wolkenrot.de, *.edz.de, mail.tuweb.de and russianmunich.com share IP numbers with mail.mrtutorial.de.

mail.mrtutorial.de - robtex.com