`mailproxy2.appsec-24.de`

CNAME	`host238.checkdomain.de`
DNSSEC	⚠️ Not signed
A	91.203.110.238^{🇩🇪 CLOUDPIT91.203.108.0/22}
		PTR	`host238.checkdomain.de`

`appsec-24.de`

	DNSSEC	⚠️ Not signed
	A	145.249.105.235^{🇳🇱 INT-NETWORK145.249.104.0/22}
	NS	`ns2.checkdomain.de` ⭐
	NS	`ns.checkdomain.de`
	MX	`mx03.secure-mailgate.com` ⭐
	MX	`mx04.secure-mailgate.com`⁽²⁰⁾
	TXT	`v=spf1 include:secure-mailgate.com ?all`
	SOA	`ns.checkdomain.de`hostmaster@checkdomain.de 2023-10-23 #1

Previously MX for

appsec-24.de

DNS History

3 records (1 active, 2 former)

○A188.40.69.762018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 12:22:46
○ 2026-03-15 06:18:32
○ 2026-05-13 14:58:48

○A2a01:4f8:221:706:7a68:7dca:9fd8:eeac2018-05-23 → 2018-05-23 · 3 obs

● 2018-05-23 12:22:46
○ 2026-03-15 06:18:32
○ 2026-05-13 14:58:48

●CNAMEhost238.checkdomain.de2026-03-15 → 2026-05-13 · 2 obs

● 2026-03-15 06:18:32
● 2026-05-13 14:58:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	l.de.net, z.nic.de, s.de.net, f.nic.de...	-
appsec-24.de	ns.checkdomain.de, ns2.checkdomain.de	4 records

✅ Authoritative Response

Server:5.9.190.98

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for appsec-24.de (unsigned zone)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`host238.checkdomain.de`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mailproxy2.appsec-24.de points to a single IP: 91.203.110.238.

Other host names, for instance kaiser-parsberg.de, hiitmusic.net, digdesia.com, metzgerei-scheidhauer.de and abenteuerpaintball.com share IP numbers with mailproxy2.appsec-24.de.

mailproxy2.appsec-24.de - robtex.com