polcor.de - robtex.com
polcor.de
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=1771291602 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXpolcor-de.mail.protection.outlook.com2015-08-19 → 2026-03-13 · 2 obs
● 2026-03-13 13:22:20
○MXrelay.rzone.de2015-08-19 → 2017-11-10 · 4 obs
● 2017-11-10 17:42:50
○ 2026-03-13 09:41:24
○ 2026-03-13 13:22:20
●A2a01:238:20a:202:1094::2015-08-19 → 2026-03-13 · 2 obs
● 2026-03-13 13:22:20
●A81.169.145.942015-08-19 → 2026-03-13 · 2 obs
● 2026-03-13 13:22:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| polcor.de | docks12.rzone.de, shades17.rzone.de | - |
✅ Authoritative Response
Server: 217.160.80.139
NS records: docks12.rzone.de, shades17.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polcor.de (unsigned zone)
⏱️ Timing
Total: 1743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.94 |
| AAAA | 1 | 2a01:238:20a:202:1094:: |
| NS | 2 | shades17.rzone.de, docks12.rzone.de |
| MX | 1 | polcor-de.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | docks12.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
polcor.de points to two IP numbers: 2a01:238:20a:202:1094:: and 81.169.145.94.
Other host names, for instance kruseimmo.de, dfm.cc, rvdl.nl, kmwnet.de and eelcovanveen.nl share IP numbers with polcor.de.
Name Servers
polcor.de's delegation is to two name servers docks12.rzone.de and shades17.rzone.de.
polcor.de shares the same name server configuration as other domains, such as maximoebel.at, risse.eu, slava24.de, comcoaching.com and weisser-assecuranz.de.
polcor.de at least partially shares its name servers with other domains, for instance ldmusik.de, teamzeit.de, stadtreisen-muenchen.de, ktko.net and superpet.be.
These name servers are commonly used with shades18.rzone.de, shades15.rzone.de, docks08.rzone.de, shades02.rzone.de, shades01.rzone.de, docks19.rzone.de, docks09.rzone.de, shades16.rzone.de, docks03.rzone.de and docks14.rzone.de.
Host names with two IP numbers: docks12.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:12 and 217.160.80.139; shades17.rzone.de points to 2607:f1c0:fe:53:185:132:34:144 and 185.132.34.144
Mail Servers
polcor.de is served by a single mail server, polcor-de.mail.protection.outlook.com.
The host name polcor-de.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::6, 52.101.68.21, 52.101.68.29, 52.101.68.32 and 52.101.73.22.