`mailproxy2.sek-security.de`

CNAME	`host218.checkdomain.de`
DNSSEC	⚠️ Not signed
A	91.203.110.218^{🇩🇪 CLOUDPIT91.203.108.0/22}
		PTR	`host218.checkdomain.de`

`sek-security.de`

	DNSSEC	⚠️ Not signed
	A	91.203.110.218^{🇩🇪 CLOUDPIT91.203.108.0/22}
	NS	`ns2.checkdomain.de` ⭐
	NS	`ns.checkdomain.de`
	MX	`mx03.secure-mailgate.com` ⭐
	MX	`mx04.secure-mailgate.com` ⭐
	TXT	`v=spf1 include:secure-mailgate.com ?all`
	SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2021-01-31 #1

Previously MX for

sek-security.de

DNS History

3 records (1 active, 2 former)

○A188.40.69.762015-08-01 → 2016-06-20 · 3 obs

● 2015-08-01 06:09:08
● 2016-06-20 11:36:16
○ 2026-04-12 14:57:16

○A2a01:4f8:100:43a1:7a68:7dca:9fd8:eeac2015-08-01 → 2016-06-20 · 3 obs

● 2015-08-01 06:09:08
● 2016-06-20 11:36:16
○ 2026-04-12 14:57:16

●CNAMEhost218.checkdomain.de2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 14:57:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
sek-security.de	ns2.checkdomain.de, ns.checkdomain.de	4 records

✅ Authoritative Response

Server:5.9.190.98

NS records: ns2.checkdomain.de, ns.checkdomain.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sek-security.de (unsigned zone)

⏱️ Timing

Total: 925ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`host218.checkdomain.de`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.checkdomain.de, ns2.checkdomain.de, ns.checkdomain.de...)

Analysis

IP Addresses

mailproxy2.sek-security.de points to IP number: 91.203.110.218.

Other host names such as autonuri.at, kaygusuz.de, astex-schneidereibedarf.de, pfinder.ch and kardun.de share IPs with mailproxy2.sek-security.de.

mailproxy2.sek-security.de - robtex.com