core-tec.de - robtex.com
core-tec.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1091::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| A | 81.169.145.91🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades05.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:132🇺🇸 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 | shades05.rzone.de | ||||||
| A | 185.132.34.132🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades05.rzone.de | ||||||
| NS | docks20.rzone.de | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:20🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | docks20.rzone.de | ||||||
| A | 217.160.80.147🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | docks20.rzone.de | ||||||
| MX | smtpin.rzone.de ⭐ | ||||||
| A | 2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| A | 81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| PTR | smtpin.rzone.de | ||||||
| SOA | shades05.rzone.dehostmaster@strato-rz.de 2020-05-26 #64 | ||||||
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.dedns-operations@denic.de serial=1786641022 | ||||||
Same first word
Similar names
e-corect.blogspot.co.uk |
tec-core.com |
erco-tec.de |
core-ect.com |
eco-cert.com |
erco-tec.com |
erco-tec.eu |
tec-core.cn |
DNS History
8 records (5 active, 3 former)
○MXsmtp.rzone.de2015-07-25 → 2017-02-07 · 4 obs
● 2017-02-07 04:38:00
○ 2018-08-09 18:50:46
○ 2026-08-13 17:18:22
●MXsmtpin.rzone.de2018-08-09 → 2026-08-13 · 3 obs
● 2018-08-09 18:50:46
● 2026-08-13 17:18:22
●A2a01:238:20a:202:1091::2026-05-14 → 2026-08-13 · 3 obs
● 2026-05-14 01:37:22
● 2026-08-13 17:18:22
○A2a01:238:20a:202:1165::2015-07-25 → 2018-08-09 · 4 obs
● 2018-08-09 18:50:46
○ 2026-05-14 01:37:22
○ 2026-08-13 17:18:22
○A81.169.145.1652015-07-25 → 2018-08-09 · 4 obs
● 2018-08-09 18:50:46
○ 2026-05-14 01:37:22
○ 2026-08-13 17:18:22
●A81.169.145.912026-05-14 → 2026-08-13 · 3 obs
● 2026-05-14 01:37:22
● 2026-08-13 17:18:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| core-tec.de | shades05.rzone.de, docks20.rzone.de | - |
✅ Authoritative Response
Server:217.160.80.147
NS records: shades05.rzone.de, docks20.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-tec.de (unsigned zone)
⏱️ Timing
Total: 1097ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.91 |
| AAAA | 1 | 2a01:238:20a:202:1091:: |
| NS | 2 | shades05.rzone.de, docks20.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades05.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
core-tec.de points to the IP addresses 81.169.145.91 and 2a01:238:20a:202:1091::
docmobile.de, l-i-n-u-x.de, hospiplus.eu plus two other host names have IP numbers in common with core-tec.de.
Name Servers
DNS delegation for core-tec.de points to two name servers: docks20.rzone.de and shades05.rzone.de.
The name server configuration of core-tec.de is shared with other domains, for instance craco.co, landpartie-leupoldsgruen.de, mitronik.de and two others.
There is at least partial name server overlap between core-tec.de and other domains — profield.de, sponsorplatform.nl, dermatact.de and two more among them.
These name servers regularly appear alongside shades20.rzone.de, shades02.rzone.de, docks08.rzone.de and 7 other name servers in NS record sets.
docks20.rzone.de directs to 217.160.80.147 and 2001:8d8:fe:53:5747:2a74:d:20. shades05.rzone.de directs to 185.132.34.132 and 2607:f1c0:fe:53:185:132:34:132. Each host name carries two IP addresses.
Mail Servers
core-tec.de uses one mail server — smtpin.rzone.de.
The mail server setup of core-tec.de matches that of other domains such as bauernhof-tamm.de, expeditionisten.de, koelker.info and two others.
smtpin.rzone.de carries two IP numbers: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.