cotratec.com - robtex.com
cotratec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:238:20a:202:1086::🇩🇪 STRATO2a01:238:20a::/48 Strato AG | ||||||
| PTR | w86.rzone.de | ||||||
| A | 81.169.145.86🇩🇪 STRATO81.169.144.0/22 AG | ||||||
| NS | shades07.rzone.de ⭐ | ||||||
| A | 2607:f1c0:fe:53:185:132:34:134🇺🇸 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 | shades07.rzone.de | ||||||
| A | 185.132.34.134🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | shades07.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 | shades07.rzone.dehostmaster@strato-rz.de 2020-06-01 #16 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784334742 | ||||||
Same first word
cotratec.com |
Similar names
DNS History
7 records (5 active, 2 former)
●A2a01:238:20a:202:1086::2026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 15:16:18
● 2026-07-18 00:51:18
○A2a01:238:20a:202:1164::2015-07-18 → 2017-03-19 · 4 obs
● 2017-03-19 04:29:14
○ 2026-06-27 15:16:18
○ 2026-07-18 00:51:18
○A81.169.145.1642015-07-18 → 2017-03-19 · 4 obs
● 2017-03-19 04:29:14
○ 2026-06-27 15:16:18
○ 2026-07-18 00:51:18
●A81.169.145.862026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 15:16:18
● 2026-07-18 00:51:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
| cotratec.com | shades07.rzone.de, docks20.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.134
NS records: shades07.rzone.de, docks20.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cotratec.com (unsigned zone)
⏱️ Timing
Total: 465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.86 |
| AAAA | 1 | 2a01:238:20a:202:1086:: |
| NS | 2 | docks20.rzone.de, shades07.rzone.de |
| MX | 1 | smtpin.rzone.de (pri: 5) |
| SOA | 1 | shades07.rzone.de hostmaster.strato-rz.d |
Analysis
IP Addresses
cotratec.com has two IP addresses: 81.169.145.86 and 2a01:238:20a:202:1086::
Among the host names that share IP numbers with cotratec.com are pureland.es, teddysoft.de, roterhaubarg.de and two others.
Name Servers
Two name servers handle the delegation for cotratec.com: docks20.rzone.de and shades07.rzone.de.
cotratec.com has the same name server delegation as a number of other domains, such as lchf.de, banibeauty.com, sophosgmbh.at and two more.
There is at least partial name server overlap between cotratec.com and other domains — briechel.de, lolamap.com, karinahoffmann.de and two more among them.
These name servers regularly appear alongside shades18.rzone.de, shades20.rzone.de, shades10.rzone.de and 7 other name servers in NS record sets.
docks20.rzone.de and shades07.rzone.de both carry two IP addresses. The A records for docks20.rzone.de are 217.160.80.147 and 2001:8d8:fe:53:5747:2a74:d:20; the A records for shades07.rzone.de are 185.132.34.134 and 2607:f1c0:fe:53:185:132:34:134.
Mail Servers
cotratec.com routes its mail through a single mail server, smtpin.rzone.de.
cotratec.com has the same mail server arrangement as a number of other domains, for example *.drk-kreis-pinneberg.de, tusch.net, mx01.tiq-solutions.de and two more.
smtpin.rzone.de carries two IP numbers: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.