ostenforth.de - dns.ninja

ostenforth.de

DNSSEC⚠️ Not signed
A217.160.223.30🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
PTRclienthosting.eu
NSaccess.ui-dns.biz
A2001:8d8:fe:53::81:237🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRaccess.ui-dns.biz
A217.160.81.237🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRaccess.ui-dns.biz
NSaccess.ui-dns.com
A2607:f1c0:fe:53::34:237🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRaccess.ui-dns.com
A185.132.34.237🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRaccess.ui-dns.com
NSaccess.ui-dns.de
A2001:8d8:fe:53::80:237🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRaccess.ui-dns.de
A217.160.80.237🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRaccess.ui-dns.de
NSaccess.ui-dns.org
A2607:f1c0:fe:53::35:237🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRaccess.ui-dns.org
A185.132.35.237🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRaccess.ui-dns.org
MXmx00.schlund.de
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.schlund.de
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de
TXTv=spf1 a:mout.kundenserver.de ~all
SOAaccess.ui-dns.bizhostmaster@schlund.de 2016-04-28 #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=1785480489

Same first word

Similar names

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSaccess.ui-dns.bizaccess.ui-dns.comaccess.ui-dns.deaccess.ui-dns.orgns1118.ui-dns.bizns1118.ui-dns.comns1118.ui-dns.dens1118.ui-dns.orgns21.schlund.dens22.schlund.deMXmx00.schlund.demx01.schlund.deA217.160.223.3082.165.120.81
NSaccess.ui-dns.biz2026-02-16 → 2026-07-31 · 3 obs
○ 2018-08-28 02:06:04
● 2026-02-16 16:34:42
● 2026-07-31 06:57:08
NSaccess.ui-dns.com2026-02-16 → 2026-07-31 · 3 obs
○ 2018-08-28 02:06:04
● 2026-02-16 16:34:42
● 2026-07-31 06:57:08
NSaccess.ui-dns.de2026-02-16 → 2026-07-31 · 3 obs
○ 2018-08-28 02:06:04
● 2026-02-16 16:34:42
● 2026-07-31 06:57:08
NSaccess.ui-dns.org2026-02-16 → 2026-07-31 · 3 obs
○ 2018-08-28 02:06:04
● 2026-02-16 16:34:42
● 2026-07-31 06:57:08
NSns1118.ui-dns.biz2018-08-28 → 2018-08-28 · 4 obs
○ 2017-01-13 05:17:08
● 2018-08-28 02:06:04
○ 2026-02-16 16:34:42
○ 2026-07-31 06:57:08
NSns1118.ui-dns.com2018-08-28 → 2018-08-28 · 4 obs
○ 2017-01-13 05:17:08
● 2018-08-28 02:06:04
○ 2026-02-16 16:34:42
○ 2026-07-31 06:57:08
NSns1118.ui-dns.de2018-08-28 → 2018-08-28 · 4 obs
○ 2017-01-13 05:17:08
● 2018-08-28 02:06:04
○ 2026-02-16 16:34:42
○ 2026-07-31 06:57:08
NSns1118.ui-dns.org2018-08-28 → 2018-08-28 · 4 obs
○ 2017-01-13 05:17:08
● 2018-08-28 02:06:04
○ 2026-02-16 16:34:42
○ 2026-07-31 06:57:08
NSns21.schlund.de2015-06-23 → 2017-01-13 · 4 obs
● 2015-06-23 03:47:38
● 2017-01-13 05:17:08
○ 2018-08-28 02:06:04
○ 2026-07-31 06:57:08
NSns22.schlund.de2015-06-23 → 2017-01-13 · 4 obs
● 2015-06-23 03:47:38
● 2017-01-13 05:17:08
○ 2018-08-28 02:06:04
○ 2026-07-31 06:57:08
MXmx00.schlund.de2015-06-23 → 2026-07-31 · 2 obs
● 2015-06-23 03:47:38
● 2026-07-31 06:57:08
MXmx01.schlund.de2015-06-23 → 2026-07-31 · 2 obs
● 2015-06-23 03:47:38
● 2026-07-31 06:57:08
A217.160.223.302017-01-13 → 2026-07-31 · 3 obs
○ 2016-04-23 07:40:18
● 2017-01-13 05:17:08
● 2026-07-31 06:57:08
A82.165.120.812015-06-23 → 2016-04-23 · 4 obs
● 2015-06-23 03:47:38
● 2016-04-23 07:40:18
○ 2017-01-13 05:17:08
○ 2026-07-31 06:57:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
ostenforth.deaccess.ui-dns.org, access.ui-dns.com, access.ui-dns.de, access.ui-dns.biz-

✅ Authoritative Response

Server:217.160.81.237

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostenforth.de (unsigned zone)

⏱️ Timing

Total: 1012ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.223.30
NS4access.ui-dns.de, access.ui-dns.biz...
MX2mx01.schlund.de (pri: 10), mx00.schlund.de (pri: 10)
TXT1v=spf1 a:mout.kundenserver.de ~all
SOA1access.ui-dns.biz hostmaster.schlund.de

Analysis

IP Addresses

ostenforth.de has exactly one IP address — 217.160.223.30.

adim.de, wlazlo.com, nikah.co.uk plus two other host names have IP numbers in common with ostenforth.de.

Name Servers

Four name servers handle the delegation for ostenforth.de: access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org.

The name servers of ostenforth.de overlap at least partially with those of other domains — among them seilertronic.de, lanzbo.de, vci-folie.com and two more.

Each of the four hosts access.ui-dns.biz, access.ui-dns.com, access.ui-dns.de and access.ui-dns.org has two IP addresses. access.ui-dns.biz points to 217.160.81.237 and 2001:8d8:fe:53::81:237. access.ui-dns.com points to 185.132.34.237 and 2607:f1c0:fe:53::34:237. access.ui-dns.de points to 217.160.80.237 and 2001:8d8:fe:53::80:237. access.ui-dns.org points to 185.132.35.237 and 2607:f1c0:fe:53::35:237.

Mail Servers

ostenforth.de uses two mail servers, mx00.schlund.de and mx01.schlund.de.

The mail server setup of ostenforth.de matches that of other domains such as stemmann-consulting.de, protagoras.de, s15879142.onlinehome-server.info and two others.

At least some of the mail servers used by ostenforth.de are shared with other domains: s15240979.domainepardefaut.fr, s22967759.onlinehome-server.info, s17645756.onlinehome-server.info and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx01.kundenserver.de.

Both mx00.schlund.de and mx01.schlund.de have a single IP address each — mx00.schlund.de resolves to 212.227.15.41 while mx01.schlund.de resolves to 217.72.192.67.