optimum-net.de - robtex.com

optimum-net.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.158🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1101.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:5365:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1101.ui-dns.org
A217.160.83.101🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1101.ui-dns.org
NSns1054.ui-dns.de
A2607:f1c0:fe:53:185:132:32:54🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1054.ui-dns.de
A217.160.80.54🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1054.ui-dns.de
NSns1066.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5142:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1066.ui-dns.biz
A217.160.81.66🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1066.ui-dns.biz
NSns1122.ui-dns.com
A2001:8d8:fe:53:0:d9a0:527a:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1122.ui-dns.com
A217.160.82.122🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1122.ui-dns.com
MXmx00.ionos.de ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 include:_spf-eu.ionos.com ~all
SOAns1101.ui-dns.orghostmaster@1und1.com 2017-06-01 #11

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=1774779011

Same first word

optimum-net.de

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSns1054.ui-dns.dens1066.ui-dns.bizns1101.ui-dns.orgns1122.ui-dns.comns55.1und1.dens56.1und1.deMXmx00.ionos.demx01.ionos.demx00.kundenserver.demx01.kundenserver.deA2001:8d8:100f:f000::200217.160.0.15846.4.185.17
●NSns1054.ui-dns.de2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
●NSns1066.ui-dns.biz2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
●NSns1101.ui-dns.org2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
●NSns1122.ui-dns.com2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
○NSns55.1und1.de2015-08-27 → 2016-11-29 · 4 obs
● 2015-08-27 02:05:28
● 2016-11-29 08:10:24
○ 2026-03-28 00:52:38
○ 2026-03-29 10:15:36
○NSns56.1und1.de2015-08-27 → 2016-11-29 · 4 obs
● 2015-08-27 02:05:28
● 2016-11-29 08:10:24
○ 2026-03-28 00:52:38
○ 2026-03-29 10:15:36
●MXmx00.ionos.de2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
○MXmx00.kundenserver.de2015-08-27 → 2016-11-29 · 4 obs
● 2015-08-27 02:05:28
● 2016-11-29 08:10:24
○ 2026-03-28 00:52:38
○ 2026-03-29 10:15:36
●MXmx01.ionos.de2026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
○MXmx01.kundenserver.de2015-08-27 → 2016-11-29 · 4 obs
● 2015-08-27 02:05:28
● 2016-11-29 08:10:24
○ 2026-03-28 00:52:38
○ 2026-03-29 10:15:36
●A2001:8d8:100f:f000::2002026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
●A217.160.0.1582026-03-28 → 2026-03-29 · 3 obs
○ 2016-11-29 08:10:24
● 2026-03-28 00:52:38
● 2026-03-29 10:15:36
○A46.4.185.172015-08-27 → 2016-11-29 · 4 obs
● 2015-08-27 02:05:28
● 2016-11-29 08:10:24
○ 2026-03-28 00:52:38
○ 2026-03-29 10:15:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
optimum-net.dens1122.ui-dns.com, ns1101.ui-dns.org, ns1054.ui-dns.de, ns1066.ui-dns.biz-

✅ Authoritative Response

Server:217.160.83.101

NS records: ns1122.ui-dns.com, ns1101.ui-dns.org, ns1054.ui-dns.de, ns1066.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimum-net.de (unsigned zone)

⏱️ Timing

Total: 799ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.158
AAAA12001:8d8:100f:f000::200
NS4ns1066.ui-dns.biz, ns1054.ui-dns.de...
MX2mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1101.ui-dns.org hostmaster.1und1.com

Analysis

IP Addresses

optimum-net.de points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.158.

Other host names such as e-clever.de, toptagungshotels.at, xn--hopp-hopp-hpfburg-d3b.de, solarmodules.info and jaisler.com share IPs with optimum-net.de.

Name Servers

optimum-net.de is delegated to four name servers: ns1066.ui-dns.biz, ns1122.ui-dns.com, ns1054.ui-dns.de and ns1101.ui-dns.org.

optimum-net.de at least partially shares name servers with other domains, for example s3fitness.info, careybaptist.co.uk, aidevelopers.net, enerxis.es and khosrau.de.

these name servers are commonly used with the following name servers: ns1066.ui-dns.com, ns1054.ui-dns.biz, ns1054.ui-dns.com, ns1054.ui-dns.org, ns1066.ui-dns.de, ns1066.ui-dns.org, ns1101.ui-dns.biz, ns1101.ui-dns.com, ns1101.ui-dns.de and ns1122.ui-dns.biz.

Host names with two IP numbers:

ns1066.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5142:100 and 217.160.81.66

ns1122.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:527a:100 and 217.160.82.122

ns1054.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:54 and 217.160.80.54

ns1101.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5365:100 and 217.160.83.101

Mail Servers

Two mail servers handle optimum-net.de: mx00.ionos.de and mx01.ionos.de.

optimum-net.de shares the same mail server setup as other domains, including 1000questionsdesignmanagement.de, msehost.de, nextservice.de, rusclub.de and muemi.de.

Host names with one IP number:

mx00.ionos.de points to 212.227.15.41; mx01.ionos.de points to 217.72.192.67.