`mail.cstegmann.de`

	DNSSEC	⚠️ Not signed
	A	fe80::e432:34ff:fe6d:f8
	A	185.207.105.240^{🇩🇪 netcup-AS185.207.104.0/22}

`cstegmann.de`

	DNSSEC	⚠️ Not signed
	A	185.207.105.240^{🇩🇪 netcup-AS185.207.104.0/22}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.cstegmann.de` ⭐
	TXT	`v=spf1 a mx ip4:185.207.105.240/24 -all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2018-04-24 #51

MX for

cstegmann.de

Previously MX for

dortmund-go.de

Same first word

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DNS History

4 records (2 active, 2 former)

●A185.207.105.2402026-05-11 → 2026-05-11 · 3 obs

○ 2016-04-19 00:13:30
● 2026-05-11 10:21:50
● 2026-05-11 20:07:58

○A46.38.238.1962015-07-04 → 2016-04-19 · 4 obs

● 2015-07-04 11:02:48
● 2016-04-19 00:13:30
○ 2026-05-11 10:21:50
○ 2026-05-11 20:07:58

○Afe80::5054:bfff:fe07:3ad82015-07-04 → 2016-04-19 · 4 obs

● 2015-07-04 11:02:48
● 2016-04-19 00:13:30
○ 2026-05-11 10:21:50
○ 2026-05-11 20:07:58

●Afe80::e432:34ff:fe6d:f82026-05-11 → 2026-05-11 · 3 obs

○ 2016-04-19 00:13:30
● 2026-05-11 10:21:50
● 2026-05-11 20:07:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
cstegmann.de	third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net	-

✅ Authoritative Response

Server:37.221.199.199

NS records: third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cstegmann.de (unsigned zone)

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.207.105.240`
AAAA	1	`fe80::e432:34ff:fe6d:f8`

Analysis

Mail Server Role

mail.cstegmann.de serves as the mail server for cstegmann.de.

IP Addresses

mail.cstegmann.de resolves to two IP numbers: fe80::e432:34ff:fe6d:f8 and 185.207.105.240.

Other host names, such as cstegmann.de, share IP numbers with mail.cstegmann.de.

mail.cstegmann.de - robtex.com