studieren.koeln - robtex.com

studieren.koeln

DNSSEC⚠️ Not signed
A185.8.168.6🇩🇪 REGFISH-AS185.8.168.0/24
NSa.regfish-ns.net ⭐
A2a02:2c0:0:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0::/48 Vultr Customer Route
PTRa.regfish-ns.net
A178.21.144.21🇩🇪 REGFISH-AS178.21.144.0/24 Vultr Customer Route
PTRa.regfish-ns.net
NSb.regfish-ns.net
A2a02:2c0:1:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:1::/48 Vultr Customer Route
PTRb.regfish-ns.net
A178.21.145.21🇩🇪 REGFISH-AS178.21.145.0/24 Vultr Customer Route
PTRb.regfish-ns.net
NSc.regfish-ns.net
A2a02:2c0:2:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:2::/48 Vultr Customer Route
PTRc.regfish-ns.net
A178.21.146.21🇩🇪 REGFISH-AS178.21.146.0/24 Vultr Customer Route
PTRc.regfish-ns.net
SOAa.regfish-ns.netdns@regfish-ns.net serial=1726928669

koeln

DNSSEC🔒 Signed (DS record present)
NSns1.ryce-rsp.com ⭐
NSdns.ryce-rsp.com
NSns1.dns.business
SOAns1.ryce-rsp.comsupport@ryce-rsp.com 2025-08-01 #71

Subdomains

sso.studieren.koeln

Same first word

studieren.com
studieren.co
studieren.fr
studieren.pro
studieren.ch
studieren.es
studieren.tv
studieren.digital
studieren.info
studieren.mobi
studieren.it
studieren.cn
studieren.net
studieren.co.uk
studieren.org
studieren.nl
studieren.koeln
studieren.at
studieren.pl
studieren.de
studieren.ru
studieren.se
studieren.in
studieren.biz

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industree.eu

DNS History

4 records (4 active, 0 former)

NSa.regfish-ns.netb.regfish-ns.netc.regfish-ns.netA185.8.168.6
●NSa.regfish-ns.net2026-05-12 → 2026-08-04 · 2 obs
● 2026-05-12 18:03:34
● 2026-08-04 23:48:56
●NSb.regfish-ns.net2026-05-12 → 2026-08-04 · 2 obs
● 2026-05-12 18:03:34
● 2026-08-04 23:48:56
●NSc.regfish-ns.net2026-05-12 → 2026-08-04 · 2 obs
● 2026-05-12 18:03:34
● 2026-08-04 23:48:56
●A185.8.168.62026-05-12 → 2026-08-04 · 2 obs
● 2026-05-12 18:03:34
● 2026-08-04 23:48:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
koelnns1.dns.business, ns1.ryce-rsp.com, dns.ryce-rsp.com6 records
studieren.koelnb.regfish-ns.net, c.regfish-ns.net, a.regfish-ns.net-

✅ Authoritative Response

Server:178.21.146.21

NS records: b.regfish-ns.net, c.regfish-ns.net, a.regfish-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studieren.koeln (unsigned zone)

⏱️ Timing

Total: 563ms | Queries: -

📄 Records

TypeCountSample Data
A1185.8.168.6
NS3c.regfish-ns.net, a.regfish-ns.net...
SOA1a.regfish-ns.net dns.regfish-ns.net

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.ryce-rsp.com, ns1.dns.business, dns.ryce-rsp.com...)

Analysis

Hierarchy

studieren.koeln serves as the parent of sso.studieren.koeln.

IP Addresses

studieren.koeln directs to one IP number, which is 185.8.168.6.

Among the host names that share IP numbers with studieren.koeln are berufsvertretung.eu, kanzlei-siedler.de, *.netzgo.net and two others.

Name Servers

studieren.koeln is served by three name servers: a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net.

studieren.koeln has at least partial name server overlap with other domains, such as tuning-inside.de, ellenpetersen.de, arnegrams.de and two others.

The hostnames a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net each direct to two IP addresses — a.regfish-ns.net to 178.21.144.21 and 2a02:2c0:0:21::aced:beef, b.regfish-ns.net to 178.21.145.21 and 2a02:2c0:1:21::aced:beef, and c.regfish-ns.net to 178.21.146.21 and 2a02:2c0:2:21::aced:beef.