openkontakt.de - robtex.com
openkontakt.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.234.217.79🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-79.wilan.pl | ||||||
| NS | dns.szu.pl ⭐ | ||||||
| A | 91.234.217.4🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-4.wilan.pl | ||||||
| NS | ns2.szu.pl | ||||||
| A | 91.234.217.86🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-86.wilan.pl | ||||||
| MX | openkontakt.de ⭐ | ||||||
| A | 91.234.217.79🇵🇱 SPRINT-SDC91.234.217.0/24 JEE.PL, Zywiec | ||||||
| PTR | srv-91-234-217-79.wilan.pl | ||||||
| TXT | v=spf1 91.234.217.0/24 a mx include:_spf.google.com ~all | ||||||
| SOA | dns.szu.pladmin@szu.pl serial=20071119 | ||||||
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=1778496891 | ||||||
MX for
openkontakt.de |
Same first word
openkontakt.de |
openkontakt.com |
DNS History
5 records (4 active, 1 former)
●MXopenkontakt.de2015-05-25 → 2026-05-11 · 2 obs
● 2026-05-11 10:57:42
○A31.135.194.792015-05-25 → 2016-04-13 · 4 obs
● 2016-04-13 12:09:26
○ 2017-02-02 14:24:32
○ 2026-05-11 10:57:42
●A91.234.217.792017-02-02 → 2026-05-11 · 3 obs
● 2017-02-02 14:24:32
● 2026-05-11 10:57:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| openkontakt.de | ns2.szu.pl, dns.szu.pl | - |
✅ Authoritative Response
Server:91.234.217.4
NS records: ns2.szu.pl, dns.szu.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openkontakt.de (unsigned zone)
⏱️ Timing
Total: 4282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.234.217.79 |
| NS | 2 | dns.szu.pl, ns2.szu.pl |
| MX | 1 | openkontakt.de (pri: 10) |
| TXT | 1 | v=spf1 91.234.217.0/24 a mx include:_spf |
| SOA | 1 | dns.szu.pl admin.szu.pl |
Analysis
Mail Server Role
For openkontakt.de, the mail server is openkontakt.de.
IP Addresses
openkontakt.de resolves to one IP number: 91.234.217.79.
Other host names, for instance openkontakt.com, biznesoferty.com and www.openkontakt.com share IP numbers with openkontakt.de.
Name Servers
openkontakt.de is delegated to two name servers dns.szu.pl and ns2.szu.pl.
openkontakt.de shares the same name server setup as other domains, for instance autostop.w.szu.pl, vista.szu.pl, mariokart.szu.pl, zapis.w.szu.pl and vip.szu.pl.
openkontakt.de at least partially shares name servers with other domains, for instance f1.szu.pl, openkantor.pl, openkontakt.com, bia.pl and szu.pl.
these name servers are commonly used alongside ns3.boo.pl.
Host names with one IP number:
dns.szu.pl points to 91.234.217.4
ns2.szu.pl points to 91.234.217.86
Mail Servers
openkontakt.de is served by a single mail server, openkontakt.de.
openkontakt.de resolves to IP 91.234.217.79.