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 not DNSSEC-signed, 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.
| 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 |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.104.247.29 | 43200s | mail.kernelguy.dk | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Fredericia |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.kernelguy.dk | 87.104.247.29 | mail.kernelguy.dk | AS204151 EWII Bredbaand A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.104.247.29 |
| 🔶 Autoconfig | 87.104.247.29 |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (kernelguy.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.kernelguy.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:dmarc-reports@kernelguy.dk |
| www | 87.104.247.29 (AS204151) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
| 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.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061656 |
| Primary NS (MNAME) | ns1.dnsplatform.dk |
| Responsible (RNAME) | hostmaster@dnsplatform.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | DNS Platform ApS |
| Registered | 2005-03-18 |
| Expires | 2028-03-31 (527d) |
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 |
| 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 shown | 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 | 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 |