kernelguy.dk

📜 Historical scan 2026-08-12 01:11:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kernelguy.dk is a .dk domain served by 2 nameservers (ns1.dnsplatform.dk, ns2.dnsplatform.dk). It was registered on 18 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 30 September 2026 we saw it transfer from Platform Company ApS to DNS Platform ApS. Its website address 87.104.247.29 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.kernelguy.dk. The zone is of unknown DNSSEC status, publishes a 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#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsplatform.dk	94.130.53.176	placo01.platformcompany.dk	AS24940 Hetzner Online GmbH
ns2.dnsplatform.dk	159.69.139.109	placo02.itplatform.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.247.29	43200s	87-104-247-29.static.kviknet.net	AS204151	EWII Bredbaand A/S	87.104.240.0/20	🇩🇰 Denmark	Kolding

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.kernelguy.dk	87.104.247.29	87-104-247-29.static.kviknet.net	AS204151 EWII Bredbaand A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	87.104.247.29
🔶 Autoconfig	87.104.247.29

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 425ms

TXT Record
v=spf1 mx ~all

✉️ SPF#

Policy	Record (kernelguy.dk)
~all (soft fail)	v=spf1 mx ~all

📨 DMARC#

Policy	Record (_dmarc.kernelguy.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:dmarc-reports@kernelguy.dk

📬 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 2026-10-20 00:36:59

www	87.104.247.29 (AS204151) (address records, no CNAME)
www vs bare domain	Same network kernelguy.dk: 87.104.247.29 (AS204151) www.kernelguy.dk: 87.104.247.29 (AS204151)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

149ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'kernelguy.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

0ms

Field	Value
Serial	2026061626
Primary NS (MNAME)	ns1.dnsplatform.dk
Responsible (RNAME)	hostmaster@dnsplatform.dk
Refresh	3600s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 14:37:20

Field	Value
Registrar	DNS Platform ApS
Registered	2005-03-18
Expires	2028-03-31 (527d)

🔗 Same registrant#

1 domain

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
gamstforsamlingshus.dk	DNS Platform ApS

📋 WHOIS#

⏱️ Lookup Timing#

34ms

66ms

60ms

AAAA

59ms

TXT

425ms

CAA

63ms

HTTPS

71ms

TLSA

166ms

SOA

0ms

MTA-STS

173ms

DNSSEC

149ms

SRV

16047ms

Total

16642ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 00:36:59	1010ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-17 23:57:49	673ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-11 16:21:40	649ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-10 14:02:25	1424ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 12:49:52	1129ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 21:15:07	1010ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 21:13:34	1704ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 21:10:09	959ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 21:05:25	1026ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 20:28:50	10031ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 03:41:50	806ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-20 21:39:53	1049ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-14 09:04:26	1248ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-11 01:33:37	2653ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 23:30:18	649ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-28 03:03:59	740ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 01:49:52	791ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 23:29:50	9722ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 21:17:48	1707ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-18 15:45:13	8784ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-17 15:12:19	16740ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 11:36:29	1908ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 01:11:38 shown	16642ms	2 NS 1 A 1 MX	❓ Unknown
2026-08-07 19:11:49	16654ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-29 04:39:08	9590ms	2 NS 1 A 1 MX	🔓 Insecure