`mailproxy2.xwindsim.de`

CNAME	`host221.checkdomain.de`
DNSSEC	⚠️ Not signed
A	91.203.110.221^{🇩🇪 CLOUDPIT91.203.108.0/22}
		PTR	`host221.checkdomain.de`

`xwindsim.de`

	DNSSEC	⚠️ Not signed
	A	91.203.110.221^{🇩🇪 CLOUDPIT91.203.108.0/22}
	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 2021-01-31 #1

WOT: SAFE (60/100)
WOT: SAFE (62/100)

Previously MX for

xwindsim.de

DNS History

3 records (1 active, 2 former)

○A188.40.69.762017-01-12 → 2017-01-12 · 3 obs

● 2017-01-12 03:40:48
○ 2026-04-15 08:22:42
○ 2026-04-15 08:22:44

○A2a01:4f8:100:43a1:7a68:7dca:9fd8:eeac2017-01-12 → 2017-01-12 · 3 obs

● 2017-01-12 03:40:48
○ 2026-04-15 08:22:42
○ 2026-04-15 08:22:44

●CNAMEhost221.checkdomain.de2026-04-15 → 2026-04-15 · 2 obs

● 2026-04-15 08:22:42
● 2026-04-15 08:22:44

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xwindsim.de (unsigned zone)

⏱️ Timing

Total: 2786ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`host221.checkdomain.de`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mailproxy2.xwindsim.de points to a single IP address: 91.203.110.221.

Other host names such as dna-intl.com, sagoom.net, martins-bastelbude.de, esslingen-tattoo.de and steinfood.net share IPs with mailproxy2.xwindsim.de.

mailproxy2.xwindsim.de - robtex.com