hjchristensen.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 3 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by hjchristensen-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | hjchristensen.dk → 46.183.138.100 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (hjchristensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | hjchristensen.dk (all on hjchristensen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-hjchristensen-dk._domainkey.murerfirmaet.onmicrosoft.com | RSA · ~1024 bit below 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.hjchristensen.dk | hjchristensen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026090301 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@hjchristensen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-09-03 |
| Expires | 2029-04-30 (915d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 02:59:14 | 1445ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 05:07:14 | 2975ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 14:49:40 | 2183ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 11:16:15 | 1056ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 10:33:36 | 1210ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:05:29 | 1709ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 04:35:48 | 1400ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 02:09:06 | 5347ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 15:53:46 shown | 1199ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 22:25:32 | 1604ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 20:24:07 | 1575ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 16:24:05 | 2381ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 23:41:35 | 11050ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 19:08:19 | 2760ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 04:19:23 | 11180ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 01:33:44 | 3246ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 07:44:38 | 10171ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 04:00:06 | 3001ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 10:29:52 | 1598ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:08:12 | 2397ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 01:19:47 | 1120ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:03:53 | 1301ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:48:57 | 11126ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:08:23 | 242ms | 0 NS 0 A 0 MX | ❓ Unknown |