`norbert-siebrecht.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::26e^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-026e.elastic-ssl.ui-r.com`
A	217.160.0.187^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1081.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5151:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.biz`
		A	217.160.81.81^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.biz`
NS	`ns1081.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5251:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.com`
		A	217.160.82.81^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.com`
NS	`ns1081.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:81^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1081.ui-dns.de`
		A	217.160.80.81^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.de`
NS	`ns1081.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5351:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.org`
		A	217.160.83.81^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1081.ui-dns.org`
MX	`mx00.ionos.de` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.de` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1081.ui-dns.biz`hostmaster@1und1.de 2016-04-28 #5

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1776096054

Same first word

norbert-siebrecht.de

DNS History

14 records (8 active, 6 former)

●NSns1081.ui-dns.biz2020-02-10 → 2026-04-13 · 3 obs

○ 2017-03-29 20:28:00
● 2020-02-10 08:45:48
● 2026-04-13 16:10:06

●NSns1081.ui-dns.com2020-02-10 → 2026-04-13 · 3 obs

○ 2017-03-29 20:28:00
● 2020-02-10 08:45:48
● 2026-04-13 16:10:06

●NSns1081.ui-dns.de2020-02-10 → 2026-04-13 · 3 obs

○ 2017-03-29 20:28:00
● 2020-02-10 08:45:48
● 2026-04-13 16:10:06

●NSns1081.ui-dns.org2020-02-10 → 2026-04-13 · 3 obs

○ 2017-03-29 20:28:00
● 2020-02-10 08:45:48
● 2026-04-13 16:10:06

○NSns35.1und1.de2015-06-24 → 2017-03-29 · 4 obs

● 2015-06-24 09:03:10
● 2017-03-29 20:28:00
○ 2020-02-10 08:45:48
○ 2026-04-13 16:10:06

○NSns36.1und1.de2015-06-24 → 2017-03-29 · 4 obs

● 2015-06-24 09:03:10
● 2017-03-29 20:28:00
○ 2020-02-10 08:45:48
○ 2026-04-13 16:10:06

●MXmx00.ionos.de2026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-10 08:45:48
● 2026-04-09 21:52:56
● 2026-04-13 16:10:06

○MXmx00.kundenserver.de2015-06-24 → 2020-02-10 · 4 obs

● 2015-06-24 09:03:10
● 2020-02-10 08:45:48
○ 2026-04-09 21:52:56
○ 2026-04-13 16:10:06

●MXmx01.ionos.de2026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-10 08:45:48
● 2026-04-09 21:52:56
● 2026-04-13 16:10:06

○MXmx01.kundenserver.de2015-06-24 → 2020-02-10 · 4 obs

● 2015-06-24 09:03:10
● 2020-02-10 08:45:48
○ 2026-04-09 21:52:56
○ 2026-04-13 16:10:06

●A2001:8d8:100f:f000::26e2026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-10 08:45:48
● 2026-04-09 21:52:56
● 2026-04-13 16:10:06

●A217.160.0.1872026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-10 08:45:48
● 2026-04-09 21:52:56
● 2026-04-13 16:10:06

○A217.160.223.1042016-06-28 → 2020-02-10 · 5 obs

○ 2016-02-27 17:38:30
● 2016-06-28 01:30:04
● 2020-02-10 08:45:48
○ 2026-04-09 21:52:56
○ 2026-04-13 16:10:06

○A82.165.81.442015-06-24 → 2016-02-27 · 4 obs

● 2015-06-24 09:03:10
● 2016-02-27 17:38:30
○ 2016-06-28 01:30:04
○ 2026-04-13 16:10:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
norbert-siebrecht.de	ns1081.ui-dns.biz, ns1081.ui-dns.org, ns1081.ui-dns.de, ns1081.ui-dns.com	-

✅ Authoritative Response

Server:217.160.81.81

NS records: ns1081.ui-dns.biz, ns1081.ui-dns.org, ns1081.ui-dns.de, ns1081.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for norbert-siebrecht.de (unsigned zone)

⏱️ Timing

Total: 887ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.187`
AAAA	1	`2001:8d8:100f:f000::26e`
NS	4	`ns1081.ui-dns.biz, ns1081.ui-dns.org...`
MX	2	`mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1081.ui-dns.biz hostmaster.1und1.de`

Analysis

IP Addresses

norbert-siebrecht.de resolves to two IPs: 2001:8d8:100f:f000::26e and 217.160.0.187.

other host names for instance og-cs.de, upel.de, koenig-grundinvest.de, otelcon.eu and bookapharmacist.mobi share IP numbers with norbert-siebrecht.de.

Name Servers

norbert-siebrecht.de is delegated to four name servers: ns1081.ui-dns.biz, ns1081.ui-dns.com, ns1081.ui-dns.de and ns1081.ui-dns.org.

norbert-siebrecht.de at least partially shares name servers with other domains, for instance dewenir.es, bingoquiz.de, pigeonmanband.com, dassilbernesegel.com and defy.co.uk.

These name servers are often used together with the name servers ns1105.ui-dns.biz, ns1072.ui-dns.com, ns1087.ui-dns.org, ns1121.ui-dns.org, ns1116.ui-dns.biz, ns1020.ui-dns.de, ns1053.ui-dns.org, ns1108.ui-dns.de, ns1029.ui-dns.org and ns1121.ui-dns.de.

Host names with two IP numbers:

Host name ns1081.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5151:100 and 217.160.81.81.

Host name ns1081.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5251:100 and 217.160.82.81.

Host name ns1081.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:81 and 217.160.80.81.

Host name ns1081.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5351:100 and 217.160.83.81.

Mail Servers

norbert-siebrecht.de is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

norbert-siebrecht.de shares the same mail server setup as other domains, for instance ndrd.org, juelich10.de, projekt-phoenix.ch, sr-graphics.de and brokery.org.

norbert-siebrecht.de shares some mail servers with other domains at least partially, for example caj-koeln.de.

Host names with one IP number:

The host mx00.ionos.de points to 212.227.15.41 and the host mx01.ionos.de points to 217.72.192.67.

norbert-siebrecht.de - robtex.com