`mailproxy.kobong.de`

CNAME	`host219.checkdomain.de`
DNSSEC	⚠️ Not signed
A	91.203.110.219^{🇩🇪 CLOUDPIT91.203.108.0/22}
		PTR	`host219.checkdomain.de`

`kobong.de`

	DNSSEC	⚠️ Not signed
	A	91.203.110.219^{🇩🇪 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

Previously MX for

kobong.de

Same first word

mailproxy.at

mailproxy.org

mailproxy.de

mailproxy.ru

mailproxy.net

mailproxy.top

mailproxy.jp

mailproxy.eu

mailproxy.info

mailproxy.com

mailproxy.us

mailproxy.fr

Similar names

proxymail.jp

proxymail.com

proxymail.ru

proxymail.de

proximaly.com

proxymail.cz

proxymail.net

proxymail.org

proxymail.dk

proxymail.eu

DNS History

3 records (1 active, 2 former)

○A2a01:4f8:140:7361:59cd:e881:6360:a4902015-06-03 → 2016-01-27 · 4 obs

● 2015-06-03 11:37:06
● 2016-01-27 20:50:48
○ 2026-04-12 04:58:54
○ 2026-04-12 04:58:56

○A46.4.90.1092015-06-03 → 2016-01-27 · 4 obs

● 2015-06-03 11:37:06
● 2016-01-27 20:50:48
○ 2026-04-12 04:58:54
○ 2026-04-12 04:58:56

●CNAMEhost219.checkdomain.de2026-04-12 → 2026-04-12 · 2 obs

● 2026-04-12 04:58:54
● 2026-04-12 04:58:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:109.237.143.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kobong.de (unsigned zone)

⏱️ Timing

Total: 639ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`host219.checkdomain.de`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mailproxy.kobong.de resolves to a single IP address: 91.203.110.219.

Other host names including host87.checkdomain.de, whatsappy.de, moto-klassik.de, zehic.com and flamm.me share IP numbers with mailproxy.kobong.de.

mailproxy.kobong.de - robtex.com