kuldjensen.dk is a .dk domain served by 2 nameservers (ns3.ribemediehus.dk, ns4.ribemediehus.dk). It was registered on 23 May 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by axius.ribemediehus.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 144.76.54.104 | — | axius.ribemediehus.dk | AS24940 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | axius.ribemediehus.dk | 144.76.54.104 168.119.35.19 2a01:4f8:242:216b:: |
axius.ribemediehus.dk axius.ribemediehus.dk axius.ribemediehus.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:242:216b::1 | — | axius.ribemediehus.dk | AS24940 | — | — | — | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | kuldjensen.dk |
| TXT Record |
|---|
| v=spf1 a mx a:mail.kuldjensen.dk -all |
| Policy | Record (kuldjensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx a:mail.kuldjensen.dk -all |
| Policy | Record (_dmarc.kuldjensen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:tech@ribemediehus.dk |
| 0 | issue | letsencrypt.org |
| 0 | issuewild | letsencrypt.org |
| www CNAME | kuldjensen.dk (all on kuldjensen.dk) |
| www vs bare domain | Same network kuldjensen.dk: 144.76.54.104 2a01:4f8:242:216b::1 (AS24940) www.kuldjensen.dk: 144.76.54.104 2a01:4f8:242:216b::1 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: -all
No problems found| 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 | 2026051002 |
| Primary NS (MNAME) | ns3.ribemediehus.dk |
| Responsible (RNAME) | mail@sorgenfrivin.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Ribe Hostingcenter ApS |
| Registered | 2007-05-23 |
| Expires | 2027-05-31 (221d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 06:25:02 | 4946ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 05:34:30 | 1994ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 00:12:53 | 7201ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-04 17:53:21 | 13936ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-21 23:30:10 | 17639ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 09:12:14 | 5705ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-06 12:24:17 | 7359ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 17:59:17 | 5707ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:44:33 | 8811ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 06:18:42 | 2648ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 02:32:59 shown | 6888ms | 2 NS 1 A 1 MX | 🔓 Insecure |