dot.ruhr - robtex.com

dot.ruhr

DNSSEC⚠️ Not signed
A212.18.250.170🇬🇧 CENTRALNIC212.18.250.0/24 CentralNic Ltd Centralnic South Site Route
PTRweb-cnic-1.bfn.uk.centralnic.net
NSns0.centralnic-dns.com
A2a04:2b00:14aa::200🇬🇧 CentralNic-Anycast-G2a04:2b00:14aa::/48 CentralNic Ltd CentralNic IPv6 Anycast G Route
A185.24.67.200🇬🇧 CentralNic-Anycast-G185.24.67.0/24 CentralNic Ltd CentralNic IPv4 Anycast G Route
PTRnsc8.g.centralnic-dns.com
NSns1.centralnic-dns.com
A2a04:2b00:14aa::201🇬🇧 CentralNic-Anycast-G2a04:2b00:14aa::/48 CentralNic Ltd CentralNic IPv6 Anycast G Route
A185.24.67.201🇬🇧 CentralNic-Anycast-G185.24.67.0/24 CentralNic Ltd CentralNic IPv4 Anycast G Route
PTRnsc9.g.centralnic-dns.com
NSns2.centralnic-dns.com
A2a04:2b00:14bb::202🇬🇧 CentralNic-Anycast-H2a04:2b00:14bb::/48 CentralNic Ltd CentralNic IPv6 Anycast H Route
A212.18.251.202🇬🇧 CentralNic-Anycast-H212.18.251.0/24 CentralNic Ltd CentralNic IPv4 Anycast H Route
PTRnsca.h.centralnic-dns.com
NSns3.centralnic-dns.com ⚠️ Not in zone NS records
A2a04:2b00:14bb::203🇬🇧 CentralNic-Anycast-H2a04:2b00:14bb::/48 CentralNic Ltd CentralNic IPv6 Anycast H Route
A212.18.251.203🇬🇧 CentralNic-Anycast-H212.18.251.0/24 CentralNic Ltd CentralNic IPv4 Anycast H Route
PTRnscb.h.centralnic-dns.com
NSns4.centralnic-dns.com
A2a04:2b00:14aa::204🇬🇧 CentralNic-Anycast-G2a04:2b00:14aa::/48 CentralNic Ltd CentralNic IPv6 Anycast G Route
A185.24.67.204🇬🇧 CentralNic-Anycast-G185.24.67.0/24 CentralNic Ltd CentralNic IPv4 Anycast G Route
PTRnscc.g.centralnic-dns.com
NSns5.centralnic-dns.com
A2a04:2b00:14bb::205🇬🇧 CentralNic-Anycast-H2a04:2b00:14bb::/48 CentralNic Ltd CentralNic IPv6 Anycast H Route
A212.18.251.205🇬🇧 CentralNic-Anycast-H212.18.251.0/24 CentralNic Ltd CentralNic IPv4 Anycast H Route
PTRnscd.h.centralnic-dns.com
NSns6.centralnic-dns.com
A2a04:2b00:14aa::206🇬🇧 CentralNic-Anycast-G2a04:2b00:14aa::/48 CentralNic Ltd CentralNic IPv6 Anycast G Route
A185.24.67.206🇬🇧 CentralNic-Anycast-G185.24.67.0/24 CentralNic Ltd CentralNic IPv4 Anycast G Route
PTRnsce.g.centralnic-dns.com
MXdot-ruhr.mail.protection.outlook.com
A2a01:111:f403:ca04::🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca04::9🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A2a01:111:f403:ca04::d🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db6pr03cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::e🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00206.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.6🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am6pr04cu00306.inbound.protection.outlook.com
A52.101.73.22🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
TXTv=spf1 ip4:80.86.90.22 ip4:35.195.182.222 ip4:80.149.186.227 a:mailout.sutter...
SOAns0.centralnic-dns.comhostmaster@centralnic-dns.com serial=1071

ruhr

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net
NSa.nic.ruhr
NSb.nic.ruhr
NSc.nic.ruhr
NSd.nic.ruhr
SOAns0.centralnic.nethostmaster@centralnic.net serial=2209144299

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSns0.centralnic-dns.comns1.centralnic-dns.comns2.centralnic-dns.comns3.centralnic-dns.comns4.centralnic-dns.comns5.centralnic-dns.comns6.centralnic-dns.comMXdot-ruhr.mail.protection.outlook.comA212.18.250.170
NSns0.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns1.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns2.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns3.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns4.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns5.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
NSns6.centralnic-dns.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
MXdot-ruhr.mail.protection.outlook.com2026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56
A212.18.250.1702026-06-26 → 2026-07-07 · 2 obs
● 2026-06-26 22:16:42
● 2026-07-07 00:20:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ruhra.nic.ruhr, b.nic.ruhr, c.nic.ruhr, d.nic.ruhr8 records
dot.ruhrns5.centralnic-dns.com, ns4.centralnic-dns.com, ns6.centralnic-dns.com, ns2.centralnic-dns.com...-

✅ Authoritative Response

Server:212.18.251.202

NS records: ns5.centralnic-dns.com, ns4.centralnic-dns.com, ns6.centralnic-dns.com, ns2.centralnic-dns.com, ns3.centralnic-dns.com, ns1.centralnic-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dot.ruhr (unsigned zone)

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

TypeCountSample Data
A1212.18.250.170
NS5ns6.centralnic-dns.com, ns2.centralnic-dns.com...
MX1dot-ruhr.mail.protection.outlook.com (pr
TXT1v=spf1 ip4:80.86.90.22 ip4:35.195.182.22
SOA1ns0.centralnic-dns.com hostmaster.centra

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.ruhr, b.nic.ruhr, c.nic.ruhr...)

Analysis

IP Addresses

dot.ruhr has exactly one IP address — 212.18.250.170.

centralnic.com, www.nicpic.com, www.jp.net plus two other host names have IP numbers in common with dot.ruhr.

Name Servers

dot.ruhr delegates authority to 7 name servers: ns0.centralnic-dns.com, ns1.centralnic-dns.com, ns2.centralnic-dns.com plus 4 other.

dot.ruhr shares at least some of its name servers with other domains, including mail.za.bz, grove.la, timur.la and two others.

These name servers are frequently paired with the name servers ns3.centralnic-dns.com, ns4.centralnic-dns.com and ns5.centralnic-dns.com.

Host names pointing to two IP addresses:

ns0.centralnic-dns.com directs traffic to 185.24.67.200 and 2a04:2b00:14aa::200.

ns1.centralnic-dns.com directs traffic to 185.24.67.201 and 2a04:2b00:14aa::201.

ns2.centralnic-dns.com directs traffic to 212.18.251.202 and 2a04:2b00:14bb::202.

ns3.centralnic-dns.com directs traffic to 212.18.251.203 and 2a04:2b00:14bb::203.

ns4.centralnic-dns.com directs traffic to 185.24.67.204 and 2a04:2b00:14aa::204.

ns5.centralnic-dns.com directs traffic to 212.18.251.205 and 2a04:2b00:14bb::205.

ns6.centralnic-dns.com directs traffic to 185.24.67.206 and 2a04:2b00:14aa::206.

Mail Servers

dot.ruhr uses one mail server — dot-ruhr.mail.protection.outlook.com.

dot-ruhr.mail.protection.outlook.com has 8 IP addresses: 52.101.68.16, 52.101.73.1, 52.101.73.6 plus 5 more.