12know.de - robtex.com

12know.de

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::291🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0291.elastic-ssl.ui-r.com
A217.160.0.160🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1072.ui-dns.de ⭐
A2607:f1c0:fe:53:185:132:32:72🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1072.ui-dns.de
A217.160.80.72🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1072.ui-dns.de
NSns1072.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5148:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1072.ui-dns.biz
A217.160.81.72🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1072.ui-dns.biz
NSns1072.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5248:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1072.ui-dns.com
A217.160.82.72🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1072.ui-dns.com
NSns1072.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5348:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1072.ui-dns.org
A217.160.83.72🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1072.ui-dns.org
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
SOAns1072.ui-dns.dehostmaster@schlund.de 2016-04-18 #5

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=1774473113

Same first word

12know.de

Similar names

know12.com
know21.net

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1072.ui-dns.bizns1072.ui-dns.comns1072.ui-dns.dens1072.ui-dns.orgns.schlund.dens2.schlund.deMXmx00.ionos.demx01.ionos.demx00.schlund.demx01.schlund.deA2001:8d8:100f:f000::291217.160.0.160217.160.231.10782.165.73.232
○NSns.schlund.de2015-07-09 → 2017-03-22 · 4 obs
● 2015-07-09 11:12:22
● 2017-03-22 08:28:20
○ 2026-02-16 00:13:30
○ 2026-03-25 21:34:12
●NSns1072.ui-dns.biz2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
●NSns1072.ui-dns.com2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
●NSns1072.ui-dns.de2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
●NSns1072.ui-dns.org2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
○NSns2.schlund.de2015-07-09 → 2017-03-22 · 4 obs
● 2015-07-09 11:12:22
● 2017-03-22 08:28:20
○ 2026-02-16 00:13:30
○ 2026-03-25 21:34:12
●MXmx00.ionos.de2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
○MXmx00.schlund.de2015-07-09 → 2017-03-22 · 4 obs
● 2015-07-09 11:12:22
● 2017-03-22 08:28:20
○ 2026-02-16 00:13:30
○ 2026-03-25 21:34:12
●MXmx01.ionos.de2026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
○MXmx01.schlund.de2015-07-09 → 2017-03-22 · 4 obs
● 2015-07-09 11:12:22
● 2017-03-22 08:28:20
○ 2026-02-16 00:13:30
○ 2026-03-25 21:34:12
●A2001:8d8:100f:f000::2912026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
●A217.160.0.1602026-02-16 → 2026-03-25 · 3 obs
○ 2017-03-22 08:28:20
● 2026-02-16 00:13:30
● 2026-03-25 21:34:12
○A217.160.231.1072016-07-10 → 2017-03-22 · 5 obs
○ 2016-03-18 02:53:34
● 2016-07-10 08:04:42
● 2017-03-22 08:28:20
○ 2026-02-16 00:13:30
○ 2026-03-25 21:34:12
○A82.165.73.2322015-07-09 → 2016-03-18 · 4 obs
● 2015-07-09 11:12:22
● 2016-03-18 02:53:34
○ 2016-07-10 08:04:42
○ 2026-03-25 21:34:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
12know.dens1072.ui-dns.de, ns1072.ui-dns.biz, ns1072.ui-dns.com, ns1072.ui-dns.org-

✅ Authoritative Response

Server:217.160.80.72

NS records: ns1072.ui-dns.de, ns1072.ui-dns.biz, ns1072.ui-dns.com, ns1072.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12know.de (unsigned zone)

⏱️ Timing

Total: 852ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.160
AAAA12001:8d8:100f:f000::291
NS4ns1072.ui-dns.biz, ns1072.ui-dns.com...
MX2mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10)
TXT1v=spf1 include:_spf-eu.ionos.com ~all
SOA1ns1072.ui-dns.de hostmaster.schlund.de

Analysis

IP Addresses

12know.de points to two IP numbers: 2001:8d8:100f:f000::291 and 217.160.0.160.

Other host names, for instance ompubs.com, mobi-x.de, chaudhry-family.info, www.zimmer-pension.at and explicat.biz share IP numbers with 12know.de.

Name Servers

12know.de is delegated to four name servers: ns1072.ui-dns.biz, ns1072.ui-dns.com, ns1072.ui-dns.de and ns1072.ui-dns.org.

12know.de at least partially shares name servers with other domains, for instance prooriginal.de, i-sax.com, iarc.cc, bluedesignagentur.de and markhesselgrave.com.

These name servers are commonly used with ns1101.ui-dns.org, ns1045.ui-dns.org, ns1118.ui-dns.de, ns1022.ui-dns.org, ns1018.ui-dns.de and ns1075.ui-dns.com.

Host names with two IP numbers:

ns1072.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5148:100 and 217.160.81.72.

ns1072.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5248:100 and 217.160.82.72.

ns1072.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:72 and 217.160.80.72.

ns1072.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5348:100 and 217.160.83.72.

Mail Servers

12know.de is handled by two mail servers: mx00.ionos.de and mx01.ionos.de.

12know.de uses the same mail server configuration as other domains, such as atalando.de, wirmachenmailing.de, falle.at, vzfu.de and klaustv.de.

12know.de shares some mail servers with other domains at least partially, for example energieberatung-augsburg.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.