`mailproxy1send.hchs.de`

	DNSSEC	⚠️ Not signed
	A	2002:2578:a2cf::838^{HURRICANE2002::/16 RFC3068 - 6to4 anycast route provided by Nullroute.fi}
	A	2a03:4000:6:32df::666^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	2a03:4000:6:32df::838^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	37.120.162.207^{🇩🇪 netcup-AS37.120.160.0/22}

`hchs.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2a03:4000:6:2c4::1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	2a09:9340:1801:3a::a^{🇩🇪 ONEFIREHOSTING2a09:9340:1801::/48}
	A	5.45.101.170^{🇩🇪 netcup-AS5.45.100.0/22}
	A	82.153.225.184^{🇬🇧 ONEFIREHOSTING82.153.225.0/24}
	NS	`blocka.hchs.de` ⭐
	NS	`webserver1.hchs.de`
	NS	`webserver1.ip-mobilphone.net` ⚠️ Not in parent delegation
	NS	`webserver2.hchs.de`
	MX	`mailproxy1.hchs.de` ⭐
	MX	`mailproxy2-kd.hchs.de` ⭐
	MX	`mailproxy46.hchs.de`⁽²⁰⁶⁾
	MX	`mailproxy2.hchs.de`⁽²⁰⁹⁾
	TXT	`v=spf1 include:mailbackup.%{d} include:notgateway.%{d} -all`
	SOA	`blocka.hchs.de`carlos@hchs.de serial=2018240000

WOT: SAFE (61/100)

PTR for

8.3.8.0.0.0.0.0.0.0.0.0.0.0.0.0.f.d.2.3.6.0.0.0.0.0.0.4.3.0.a.2.ip6.arpa

207.162.120.37.in-addr.arpa

6.6.6.0.0.0.0.0.0.0.0.0.0.0.0.0.f.d.2.3.6.0.0.0.0.0.0.4.3.0.a.2.ip6.arpa

DNS History

4 records (4 active, 0 former)

●A2002:2578:a2cf::8382018-09-28 → 2026-03-30 · 2 obs

● 2018-09-28 12:23:06
● 2026-03-30 02:48:28

●A2a03:4000:6:32df::6662018-09-28 → 2026-03-30 · 2 obs

● 2018-09-28 12:23:06
● 2026-03-30 02:48:28

●A2a03:4000:6:32df::8382018-09-28 → 2026-03-30 · 2 obs

● 2018-09-28 12:23:06
● 2026-03-30 02:48:28

●A37.120.162.2072018-09-28 → 2026-03-30 · 2 obs

● 2018-09-28 12:23:06
● 2026-03-30 02:48:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
hchs.de	webserver2.hchs.de, webserver1.hchs.de	4 records

✅ Authoritative Response

Server:5.45.101.170

NS records: webserver2.hchs.de, webserver1.hchs.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 828ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.120.162.207`
AAAA	3	`2a03:4000:6:32df::838, 2002:2578:a2cf::838...`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (webserver1.hchs.de, webserver2.hchs.de, webserver1.hchs.de...)

Analysis

IP Addresses

mailproxy1send.hchs.de resolves to four IP numbers: 2002:2578:a2cf::838, 2a03:4000:6:32df::666, 2a03:4000:6:32df::838 and 37.120.162.207.

other host names for instance mailsend.ip-mobilphone.net, mailin.usenet-replayer.de, mailin.un-r.com, mailproxy46.neurocode-ag.com and mailin.ip-mobilphone.net share IP numbers with mailproxy1send.hchs.de.

mailproxy1send.hchs.de - robtex.com