nerdonline.dk

📜 Historical scan 2026-06-18 06:11:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nerdonline.dk is a .dk domain served by 3 nameservers (ns.nerdonline.dk, ns2.nerdonline.dk, ns3.nerdonline.dk). It was registered on 10 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nerdonline-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 161ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.nerdonline.dk	167.233.0.169	mailgw1.nerdonline.dk	AS24940 Hetzner Online GmbH
ns2.nerdonline.dk	95.216.155.89	hel01.nerdonline.dk	AS24940 Hetzner Online GmbH
ns3.nerdonline.dk	167.233.0.167	ns3.nerdonline.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 210ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.233.0.165	—	web03.nerdonline.dk	AS24940	—	—	—	—

📧 MX Records#

1 records 200ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	nerdonline-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::f 2a01:111:f403:ca09::4 52.101.68.0 52.101.68.8 52.101.73.19 52.101.73.4	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mailgw1.nerdonline.dk → 167.233.0.169

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 430ms

TXT Record
_l9zvajt60w29sgt3f5pht6zeridjuya
MS=ms93777877
v=spf1 a mx ptr a:mailgw1.nerdonline.dk include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (nerdonline.dk)
~all (soft fail)	v=spf1 a mx ptr a:mailgw1.nerdonline.dk include:spf.protection.outlook.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 17:01:35

www	167.233.0.165 (AS24940) (address records, no CNAME)
www vs bare domain	Same network nerdonline.dk: 167.233.0.165 (AS24940) www.nerdonline.dk: 167.233.0.165 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

264ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

349ms

Field	Value
Serial	2026061700
Primary NS (MNAME)	ns.nerdonline.dk
Responsible (RNAME)	hostmaster@nerdonline.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration#

WHOIS fetched 2026-10-17 01:47:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-11-10
Expires	2027-08-31 (318d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
advokatit.dk	Punktum dk A/S (direct)
dorete.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

161ms

210ms

200ms

AAAA

195ms

TXT

430ms

CAA

349ms

HTTPS

349ms

TLSA

241ms

SOA

349ms

MTA-STS

176ms

DNSSEC

264ms

SRV

367ms

Total

4356ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 14:48:17	2621ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-24 01:53:05	1503ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-14 23:01:51	5737ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-12 07:58:54	14073ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-07 09:56:42	1852ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-26 09:57:33	1158ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-18 06:11:34 shown	4356ms	3 NS 1 A 1 MX	🔓 Insecure