mrprofessor.dk - robtex.com
mrprofessor.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 80.208.28.133🇩🇰 FIBIA-P-S80.208.0.0/17 Fibia IPv4 Network | ||||||
| PTR | server6123.serverpark.dk | ||||||
| NS | ns4.dns-123.net ⭐ | ||||||
| A | 35.198.132.83🇩🇪 Google35.198.128.0/20 | ||||||
| PTR | 83.132.198.35.bc.googleusercontent.com | ||||||
| NS | ns5.dns-123.net | ||||||
| A | 35.187.184.173🇧🇪 Google35.187.176.0/20 | ||||||
| PTR | 173.184.187.35.bc.googleusercontent.com | ||||||
| NS | ns6.dns-123.net | ||||||
| A | 35.228.54.1🇫🇮 Google35.228.48.0/20 | ||||||
| PTR | 1.54.228.35.bc.googleusercontent.com | ||||||
| MX | server6123.serverpark.dk ⭐ | ||||||
| A | 80.208.28.133🇩🇰 FIBIA-P-S80.208.0.0/17 Fibia IPv4 Network | ||||||
| PTR | server6123.serverpark.dk | ||||||
| TXT | v=spf1 a mx include:_spf.serverpark.dk ~all | ||||||
| SOA | ns4.dns-123.netadmin@dns-123.net 2008-05-06 #47 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1785108421localtime Mon Jul 27 01:27:01 2026gmtime Sun Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785108421 | ||||||
Subdomains
mail.mrprofessor.dk |
Same first word
DNS History
12 records (5 active, 7 former)
○NSns1.dns-123.net2015-06-21 → 2020-02-16 · 4 obs
● 2020-02-16 10:29:44
○ 2026-05-10 09:04:04
○ 2026-07-26 23:56:42
○NSns2.dns-123.net2015-06-21 → 2020-02-16 · 4 obs
● 2020-02-16 10:29:44
○ 2026-05-10 09:04:04
○ 2026-07-26 23:56:42
○NSns3.dns-123.net2015-06-21 → 2020-02-16 · 4 obs
● 2020-02-16 10:29:44
○ 2026-05-10 09:04:04
○ 2026-07-26 23:56:42
●NSns4.dns-123.net2026-05-10 → 2026-07-26 · 3 obs
● 2026-05-10 09:04:04
● 2026-07-26 23:56:42
●NSns5.dns-123.net2026-05-10 → 2026-07-26 · 3 obs
● 2026-05-10 09:04:04
● 2026-07-26 23:56:42
●NSns6.dns-123.net2026-05-10 → 2026-07-26 · 3 obs
● 2026-05-10 09:04:04
● 2026-07-26 23:56:42
○MXmail.mrprofessor.dk2015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 00:55:02
○ 2020-02-16 10:29:44
○ 2026-07-26 23:56:42
○MXserver3541.serverpark.dk2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 10:29:44
○ 2026-05-10 09:04:04
○ 2026-07-26 23:56:42
●MXserver6123.serverpark.dk2026-05-10 → 2026-07-26 · 3 obs
● 2026-05-10 09:04:04
● 2026-07-26 23:56:42
●A80.208.28.1332026-05-10 → 2026-07-26 · 3 obs
● 2026-05-10 09:04:04
● 2026-07-26 23:56:42
○A86.48.37.1512020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 10:29:44
○ 2026-05-10 09:04:04
○ 2026-07-26 23:56:42
○A86.48.37.442015-06-21 → 2017-02-13 · 4 obs
● 2017-02-13 00:55:02
○ 2020-02-16 10:29:44
○ 2026-07-26 23:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| mrprofessor.dk | ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net | - |
✅ Authoritative Response
Server:35.198.132.83
NS records: ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 841ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.208.28.133 |
| NS | 3 | ns4.dns-123.net, ns5.dns-123.net... |
| MX | 1 | server6123.serverpark.dk (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.serverpark.dk ~ |
| SOA | 1 | ns4.dns-123.net admin.dns-123.net |
Analysis
Hierarchy
mail.mrprofessor.dk is a subdomain of mrprofessor.dk.
IP Addresses
mrprofessor.dk has exactly one IP address — 80.208.28.133.
aabenraatri.dk, heinz-gruber.dk, mail.xn--defr-soab.dk plus two other host names have IP numbers in common with mrprofessor.dk.
Name Servers
The authoritative name servers for mrprofessor.dk are ns4.dns-123.net, ns5.dns-123.net and ns6.dns-123.net — three in total.
The name servers of mrprofessor.dk overlap at least partially with those of other domains — among them naturfabrikken.dk, nordicav.com, retspolitik.dk and two more.
The hostnames ns4.dns-123.net, ns5.dns-123.net and ns6.dns-123.net each resolve to a single IP: ns4.dns-123.net → 35.198.132.83, ns5.dns-123.net → 35.187.184.173, ns6.dns-123.net → 35.228.54.1.
Mail Servers
mrprofessor.dk uses one mail server — server6123.serverpark.dk.
The mail server setup of mrprofessor.dk matches that of other domains such as stat112.dk, jyh.dk, tjmedia.dk and two others.
server6123.serverpark.dk directs to just one IP number, 80.208.28.133.