`netcologne-hosting.de`

DNSSEC	⚠️ Not signed
A	2001:4dd0:100:1023:80:ad:0:10^{🇩🇪 NETCOLOGNE2001:4dd0::/32 NetCologne GmbH Am Coloneum 9 50829 Koeln}
		PTR	`hosting.netcologne.de`
A	81.173.246.70^{🇩🇪 NETCOLOGNE81.173.128.0/17 NetCologne PA space}
NS	`ns1.routing.net` ⭐
		A	2a03:2900:3:1::2^{🇩🇪 AS488232a03:2900::/32}
			PTR	`ns1.routing.net`
		A	134.0.30.178^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`ns1.routing.net`
NS	`ns2.routing.net`
		A	2001:4d8f:2::2^{🇩🇪 ROUTING-ANYCAST2001:4d8f::/32}
			PTR	`ns2.routing.net`
		A	194.50.113.2^{🇩🇪 ROUTING-ANYCAST194.50.113.0/24 vollmarnet-anycast-route}
			PTR	`ns2.routing.net`
NS	`ns3.routing.net`
		A	2a03:2902:3:1::2^{🇩🇪 ACCELERATED-IT2a03:2902::/32 IP-Routing by firstcolo}
			PTR	`ns3.routing.net`
		A	194.126.196.2^{🇩🇪 ACCELERATED-IT194.126.196.0/24 IP-Routing by Accelerated IT Services GmbH}
			PTR	`ns3.routing.net`
MX	`mx01.routing.net` ⭐
		A	2a03:2900:1:a::13^{🇩🇪 AS488232a03:2900::/32}
			PTR	`mx01.routing.net`
		A	2a03:2900:1:a::14^{🇩🇪 AS488232a03:2900::/32}
			PTR	`mx01.routing.net`
		A	134.0.28.13^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx01.routing.net`
		A	134.0.28.14^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx01.routing.net`
MX	`mx02.routing.net` ⭐
		A	2a03:2900:1:a::15^{🇩🇪 AS488232a03:2900::/32}
		A	2a03:2900:1:a::16^{🇩🇪 AS488232a03:2900::/32}
		A	134.0.30.163^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx02.routing.net`
		A	134.0.30.164^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx02.routing.net`
MX	`mx03.routing.net` ⭐
		A	2a03:2900:1:a::17^{🇩🇪 AS488232a03:2900::/32}
			PTR	`mx03.routing.net`
		A	2a03:2900:1:a::18^{🇩🇪 AS488232a03:2900::/32}
			PTR	`mx03.routing.net`
		A	2a03:2900:1:a::19^{🇩🇪 AS488232a03:2900::/32}
			PTR	`mx03.routing.net`
		A	134.0.30.165^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx03.routing.net`
		A	134.0.30.166^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx03.routing.net`
		A	134.0.30.167^{🇩🇪 AS48823134.0.24.0/21}
			PTR	`mx03.routing.net`
TXT	`email-verification=6KKGiiddu7pEXWGyaNzBhFr2+tJpiw1/w3c27uTLRSiZJdUMtqVpzDHbNe...`
SOA	`ns1.routing.net`hostmaster@netcologne-hosting.de 2026-07-24 #0

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785752299

Subdomains

mx02.netcologne-hosting.de

mxbackup.netcologne-hosting.de

mx01.netcologne-hosting.de

mx03.netcologne-hosting.de

Same first word

netcologne-hosting.de

DNS History

12 records (8 active, 4 former)

○NSdns11.netcologne.de2015-08-19 → 2017-08-13 · 4 obs

● 2015-08-19 06:24:10
● 2017-08-13 13:26:28
○ 2026-06-22 01:08:16
○ 2026-08-03 10:32:34

○NSdns12.netcologne.de2015-08-19 → 2017-08-13 · 4 obs

● 2015-08-19 06:24:10
● 2017-08-13 13:26:28
○ 2026-06-22 01:08:16
○ 2026-08-03 10:32:34

○NSdns13.netcologne.de2015-08-19 → 2017-08-13 · 4 obs

● 2015-08-19 06:24:10
● 2017-08-13 13:26:28
○ 2026-06-22 01:08:16
○ 2026-08-03 10:32:34

○NSdns14.netcologne.de2015-08-19 → 2017-08-13 · 4 obs

● 2015-08-19 06:24:10
● 2017-08-13 13:26:28
○ 2026-06-22 01:08:16
○ 2026-08-03 10:32:34

●NSns1.routing.net2026-06-22 → 2026-08-03 · 3 obs

○ 2017-08-13 13:26:28
● 2026-06-22 01:08:16
● 2026-08-03 10:32:34

●NSns2.routing.net2026-06-22 → 2026-08-03 · 3 obs

○ 2017-08-13 13:26:28
● 2026-06-22 01:08:16
● 2026-08-03 10:32:34

●NSns3.routing.net2026-06-22 → 2026-08-03 · 3 obs

○ 2017-08-13 13:26:28
● 2026-06-22 01:08:16
● 2026-08-03 10:32:34

●MXmx01.routing.net2026-06-22 → 2026-08-03 · 4 obs

● 2026-06-22 01:08:16
○ 2026-07-25 11:08:12
● 2026-07-26 19:08:20
● 2026-08-03 10:32:34

●MXmx02.routing.net2026-06-22 → 2026-08-03 · 4 obs

● 2026-06-22 01:08:16
○ 2026-07-25 11:08:12
● 2026-07-26 19:08:20
● 2026-08-03 10:32:34

●MXmx03.routing.net2026-06-22 → 2026-08-03 · 4 obs

● 2026-06-22 01:08:16
○ 2026-07-25 11:08:12
● 2026-07-26 19:08:20
● 2026-08-03 10:32:34

●A2001:4dd0:100:1023:80:ad:0:102026-06-22 → 2026-08-03 · 4 obs

● 2026-06-22 01:08:16
○ 2026-07-25 11:08:12
● 2026-07-26 19:08:20
● 2026-08-03 10:32:34

●A81.173.246.702026-06-22 → 2026-08-03 · 4 obs

● 2026-06-22 01:08:16
○ 2026-07-25 11:08:12
● 2026-07-26 19:08:20
● 2026-08-03 10:32:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
netcologne-hosting.de	ns3.routing.net, ns2.routing.net, ns1.routing.net	-

✅ Authoritative Response

Server:134.0.30.178

NS records: ns3.routing.net, ns2.routing.net, ns1.routing.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netcologne-hosting.de (unsigned zone)

⏱️ Timing

Total: 1058ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.173.246.70`
AAAA	1	`2001:4dd0:100:1023:80:ad:0:10`
NS	3	`ns3.routing.net, ns1.routing.net...`
MX	3	`mx03.routing.net (pri: 10), mx01.routing.net (pri: 10)...`
TXT	1	`email-verification=6KKGiiddu7pEXWGyaNzBh`
SOA	1	`ns1.routing.net hostmaster.netcologne-ho`

Analysis

Hierarchy

netcologne-hosting.de has four subdomains: mx02.netcologne-hosting.de, mxbackup.netcologne-hosting.de, mx01.netcologne-hosting.de and mx03.netcologne-hosting.de.

IP Addresses

netcologne-hosting.de points to the IP addresses 81.173.246.70 and 2001:4dd0:100:1023:80:ad:0:10

Further host names like hosting.netcologne.de and websrvadmin.netcologne.de overlap in IP numbers with netcologne-hosting.de.

Name Servers

The authoritative name servers for netcologne-hosting.de are ns1.routing.net, ns2.routing.net and ns3.routing.net — three in total.

There is at least partial name server overlap between netcologne-hosting.de and other domains — saniez.fr, brain-watch.de, oop-trainer.de and two more among them.

These name servers tend to appear in combination with the name servers ns1.hosting.de, ns2.hosting.de, ns3.hosting.de and ns9.routing.net.

ns1.routing.net, ns2.routing.net and ns3.routing.net all resolve to exactly two IP numbers apiece: ns1.routing.net → 134.0.30.178 and 2a03:2900:3:1::2; ns2.routing.net → 194.50.113.2 and 2001:4d8f:2::2; ns3.routing.net → 194.126.196.2 and 2a03:2902:3:1::2.

Mail Servers

Incoming mail for netcologne-hosting.de is delivered via three mail servers: mx01.routing.net, mx02.routing.net and mx03.routing.net.

There is at least a partial MX overlap between netcologne-hosting.de and other domains, including ekinox.org, anzeigendaten.de, op-weltherrschaft.de and two others.

These mail servers often co-occur with the mail servers mxbackup.routing.net.

DNS names with 6 IP addresses:

Hostname mx03.routing.net directs to 134.0.30.165, 134.0.30.166 and 134.0.30.167 along with 3 other IP addresses.

Host names that resolve to four IP numbers:

mx01.routing.net resolves to four IP addresses — 134.0.28.13, 134.0.28.14, 2a03:2900:1:a::13 and 2a03:2900:1:a::14.

mx02.routing.net resolves to four IP addresses — 134.0.30.163, 134.0.30.164, 2a03:2900:1:a::15 and 2a03:2900:1:a::16.

netcologne-hosting.de - robtex.com