ruf.cz - robtex.com

ruf.cz

DNSSEC⚠️ Not signed
A138.201.92.22🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4
PTRs90n34.meinserver.io
NSns.udag.de ⭐
A2001:8d8:fe:53:217:160:80:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns.udag.de
A217.160.80.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns.udag.de
NSns.udag.net
A2607:f1c0:fe:53:185:132:33:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns.udag.net
A185.132.33.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.net
NSns.udag.org
A2607:f1c0:fe:53:185:132:34:253🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns.udag.org
A185.132.34.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.org
SOAns.udag.dehostmaster@united-domains.de 2023-03-06 #2

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1776010635

Same first word

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fur.es
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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns.udag.dens.udag.netns.udag.orgMXmx00.udag.demx01.udag.deA138.201.92.2288.198.51.688.99.144.9
●NSns.udag.de2015-08-20 → 2026-04-12 · 2 obs
● 2015-08-20 05:47:46
● 2026-04-12 17:02:46
●NSns.udag.net2015-08-20 → 2026-04-12 · 2 obs
● 2015-08-20 05:47:46
● 2026-04-12 17:02:46
●NSns.udag.org2015-08-20 → 2026-04-12 · 2 obs
● 2015-08-20 05:47:46
● 2026-04-12 17:02:46
○MXmx00.udag.de2015-08-20 → 2017-01-27 · 4 obs
● 2015-08-20 05:47:46
● 2017-01-27 01:43:46
○ 2020-03-22 20:04:38
○ 2026-04-12 17:02:46
○MXmx01.udag.de2015-08-20 → 2017-01-27 · 4 obs
● 2015-08-20 05:47:46
● 2017-01-27 01:43:46
○ 2020-03-22 20:04:38
○ 2026-04-12 17:02:46
●A138.201.92.222026-03-25 → 2026-04-12 · 3 obs
○ 2020-11-24 07:01:36
● 2026-03-25 23:24:34
● 2026-04-12 17:02:46
○A88.198.51.62015-08-20 → 2017-01-27 · 4 obs
● 2015-08-20 05:47:46
● 2017-01-27 01:43:46
○ 2020-03-22 20:04:38
○ 2026-04-12 17:02:46
○A88.99.144.92020-03-22 → 2020-11-24 · 5 obs
○ 2017-01-27 01:43:46
● 2020-03-22 20:04:38
● 2020-11-24 07:01:36
○ 2026-03-25 23:24:34
○ 2026-04-12 17:02:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
ruf.czns.udag.de, ns.udag.net, ns.udag.org-

✅ Authoritative Response

Server:185.132.34.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruf.cz (unsigned zone)

⏱️ Timing

Total: 1053ms | Queries: -

📄 Records

TypeCountSample Data
A1138.201.92.22
NS3ns.udag.de, ns.udag.org...
SOA1ns.udag.de hostmaster.united-domains.de

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

ruf.cz points to a single IP address: 138.201.92.22.

Other host names such as esa.brikettieren.de, s90n34.meinserver.io, mail.ruf-brikett.at, ruf-brikett.de and matomo.brikettieren.de share IPs with ruf.cz.

Name Servers

ruf.cz is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

ruf.cz at least partially shares name servers with other domains, for example firmenhandy-verkaufen.com, lontalus.ch, dcon.ag, keuco.ro and oncocert.eu.

Host names with two IP numbers:

ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253

ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253

ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253