rt-online.de - robtex.com

rt-online.de

DNSSEC⚠️ Not signed
A89.31.143.90🇩🇪 UDAG89.31.143.0/24
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
MXmx00.udag.de
A62.146.106.39🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH
PTRmx00.udag.de
MXmx01.udag.de(20)
A62.146.106.40🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH
PTRmx01.udag.de
TXTv=spf1 include:_smtp.udag.de ~all
SOAns.udag.dehostmaster@united-domains.de 2023-11-29 #2

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1784891560
WOT: SAFE (61/100)

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns.udag.dens.udag.netns.udag.orgserver1-ns1.udagdns.netserver1-ns2.udagdns.netserver1-ns3.udagdns.netMXmx00.udag.demx01.udag.deA89.31.143.9089.31.143.189.31.143.16
NSns.udag.de2015-10-12 → 2026-07-24 · 3 obs
○ 2015-05-23 17:26:18
● 2015-10-12 19:59:38
● 2026-07-24 11:16:46
NSns.udag.net2015-10-12 → 2026-07-24 · 3 obs
○ 2015-05-23 17:26:18
● 2015-10-12 19:59:38
● 2026-07-24 11:16:46
NSns.udag.org2015-10-12 → 2026-07-24 · 3 obs
○ 2015-05-23 17:26:18
● 2015-10-12 19:59:38
● 2026-07-24 11:16:46
NSserver1-ns1.udagdns.net2015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 17:26:18
○ 2015-10-12 19:59:38
○ 2026-07-24 11:16:46
NSserver1-ns2.udagdns.net2015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 17:26:18
○ 2015-10-12 19:59:38
○ 2026-07-24 11:16:46
NSserver1-ns3.udagdns.net2015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 17:26:18
○ 2015-10-12 19:59:38
○ 2026-07-24 11:16:46
MXmx00.udag.de2015-05-23 → 2026-07-24 · 2 obs
● 2015-05-23 17:26:18
● 2026-07-24 11:16:46
MXmx01.udag.de2015-05-23 → 2026-07-24 · 2 obs
● 2015-05-23 17:26:18
● 2026-07-24 11:16:46
A89.31.143.12015-05-23 → 2015-10-12 · 4 obs
● 2015-05-23 17:26:18
● 2015-10-12 19:59:38
○ 2015-12-16 16:33:14
○ 2026-07-24 11:16:46
A89.31.143.162015-12-16 → 2017-04-06 · 5 obs
○ 2015-10-12 19:59:38
● 2015-12-16 16:33:14
● 2017-04-06 05:42:38
○ 2026-05-14 15:26:26
○ 2026-07-24 11:16:46
A89.31.143.902026-05-14 → 2026-07-24 · 3 obs
○ 2017-04-06 05:42:38
● 2026-05-14 15:26:26
● 2026-07-24 11:16:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
rt-online.dens.udag.de, ns.udag.org, ns.udag.net2 records

✅ Authoritative Response

Server:185.132.34.253

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt-online.de (unsigned zone)

⏱️ Timing

Total: 621ms | Queries: -

📄 Records

TypeCountSample Data
A189.31.143.90
NS3ns.udag.org, ns.udag.de...
MX2mx00.udag.de (pri: 10), mx01.udag.de (pri: 20)
TXT1v=spf1 include:_smtp.udag.de ~all
SOA1ns.udag.de hostmaster.united-domains.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

IP Addresses

rt-online.de has exactly one IP address — 89.31.143.90.

www.see2me.com, blizzmo.mobi, nelskamp.com plus two other host names have IP numbers in common with rt-online.de.

Name Servers

rt-online.de carries NS records delegating to ns.udag.de, ns.udag.net and ns.udag.org.

There is at least partial name server overlap between rt-online.de and other domains — farbflut.com, evil-events.de, honda-heinen.de and two more among them.

ns.udag.de, ns.udag.net and ns.udag.org are three hostnames that each resolve to a pair of IP addresses: ns.udag.de to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

rt-online.de uses two mail servers, mx00.udag.de and mx01.udag.de.

The mail server setup of rt-online.de matches that of other domains such as vasema.fr, p-rehs.de, xanar.de and two others.

mx00.udag.de62.146.106.39 and mx01.udag.de62.146.106.40: one IP number per host name.