coretools.de - robtex.com

coretools.de

DNSSEC⚠️ Not signed
A2a01:238:20a:202:1095::🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRw8f.rzone.de
A81.169.145.95🇩🇪 STRATO81.169.144.0/22 AG
NSshades15.rzone.de
A2607:f1c0:fe:53:185:132:34:142🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades15.rzone.de
A185.132.34.142🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades15.rzone.de
NSdocks19.rzone.de
A2001:8d8:fe:53:5747:2a74:d:19🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks19.rzone.de
A217.160.80.146🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks19.rzone.de
MXsmtpin.rzone.de
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAshades15.rzone.dehostmaster@strato-rz.de 2020-06-20 #13

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=1786582333

Same first word

Similar names

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSdocks19.rzone.deshades15.rzone.dens65.1und1.dens66.1und1.deMXsmtpin.rzone.demx00.kundenserver.demx01.kundenserver.deA2a01:238:20a:202:1095::81.169.145.952001:8d8:1000:77:b3cd:32df:e61b:f014217.160.70.19
NSdocks19.rzone.de2017-09-05 → 2026-08-13 · 3 obs
○ 2016-04-20 19:18:32
● 2017-09-05 13:03:46
● 2026-08-13 01:26:46
NSns65.1und1.de2015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
NSns66.1und1.de2015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
NSshades15.rzone.de2017-09-05 → 2026-08-13 · 3 obs
○ 2016-04-20 19:18:32
● 2017-09-05 13:03:46
● 2026-08-13 01:26:46
MXmx00.kundenserver.de2015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
MXmx01.kundenserver.de2015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
MXsmtpin.rzone.de2017-09-05 → 2026-08-13 · 3 obs
○ 2016-04-20 19:18:32
● 2017-09-05 13:03:46
● 2026-08-13 01:26:46
A2001:8d8:1000:77:b3cd:32df:e61b:f0142015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
A217.160.70.192015-07-10 → 2016-01-30 · 4 obs
● 2015-07-10 17:30:42
● 2016-01-30 10:40:34
○ 2016-04-20 19:18:32
○ 2026-08-13 01:26:46
A2a01:238:20a:202:1095::2017-09-05 → 2026-08-13 · 3 obs
○ 2016-04-20 19:18:32
● 2017-09-05 13:03:46
● 2026-08-13 01:26:46
A81.169.145.952017-09-05 → 2026-08-13 · 3 obs
○ 2016-04-20 19:18:32
● 2017-09-05 13:03:46
● 2026-08-13 01:26:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
coretools.deshades15.rzone.de, docks19.rzone.de-

✅ Authoritative Response

Server:185.132.34.142

NS records: shades15.rzone.de, docks19.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretools.de (unsigned zone)

⏱️ Timing

Total: 850ms | Queries: -

📄 Records

TypeCountSample Data
A181.169.145.95
AAAA12a01:238:20a:202:1095::
NS2docks19.rzone.de, shades15.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1shades15.rzone.de hostmaster.strato-rz.d

Analysis

IP Addresses

coretools.de directs to two IP numbers, 81.169.145.95 and 2a01:238:20a:202:1095::

Additional host names — maupi.eu, friggemann-online.de, 1beso.com and two others — share IP numbers with coretools.de.

Name Servers

The NS records for coretools.de delegate to docks19.rzone.de and shades15.rzone.de.

coretools.de shares its name server setup with other domains, including pentests.de, tierheimat.com, osteopathische-kindersprechstunde.de and two others.

coretools.de partially shares its NS delegation with several other domains, including ground-zero.biz, werbeagentur-unger.de, bd-automation.de and two others.

In DNS configurations, these name servers often share authority with docks01.rzone.de, shades20.rzone.de, docks08.rzone.de and 7 other name servers.

docks19.rzone.de resolves to 217.160.80.146 and 2001:8d8:fe:53:5747:2a74:d:19. Likewise, shades15.rzone.de resolves to 185.132.34.142 and 2607:f1c0:fe:53:185:132:34:142 — two IP addresses apiece.

Mail Servers

coretools.de has one mail server: smtpin.rzone.de.

coretools.de shares the same mail server setup as other domains, including maundpa.de, helferhilfe.de, mail.mom4mom.de and two others.

The host smtpin.rzone.de resolves to 81.169.145.97 and 2a01:238:20a:202:50f0::1097 — two IP addresses.