hjk-isolering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 14 October 2026, when it moved from direct registration at Punktum to Simply.com A/S. Its website address 188.228.102.105 is hosted by Altibox Danmark AS (AS214875) in Denmark. Mail is handled by hjkisolering-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.228.102.105 | — | 188.228.102.105.dynamic.altibox.net | AS214875 | Altibox Danmark AS | 188.228.102.0/23 | 🇩🇰 Denmark | Grindsted |
| TXT Record |
|---|
| MS=ms16856689 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (hjk-isolering.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.81.103 172.67.141.166 2606:4700:3030::ac43:8da6 2606:4700:3034::6815:5167 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hjk-isolering.dk: 104.21.81.103 172.67.141.166 2606:4700:3030::ac43:8da6 2606:4700:3034::6815:5167 (AS13335) www.hjk-isolering.dk: 104.21.81.103 172.67.141.166 2606:4700:3030::ac43:8da6 2606:4700:3034::6815:5167 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042705 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2012-04-02 |
| Expires | 2027-04-30 (193d) |
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 |
|---|---|
| bostedet-dgm.dk | Simply.com A/S |
| keviniversen.dk | ONE.COM A/S |
| mikkelsenae.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:39:43 | 3826ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-13 23:55:02 | 3070ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-09 12:34:50 | 1297ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 11:27:09 | 950ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 09:39:54 | 1329ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 09:31:58 | 1567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 08:07:09 | 2662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:26:49 | 1029ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 05:14:33 | 2765ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 21:56:31 | 770ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 00:11:21 | 671ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 16:50:16 | 1948ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:24:53 shown | 2888ms | 2 NS 1 A 1 MX | 🔒 Secure |