celsus.dk is a .dk domain served by 4 nameservers (ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org and 1 more). It was registered on 20 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by celsus-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1-08.azure-dns.com | — | — | — |
| ns2-08.azure-dns.net | — | — | — |
| ns3-08.azure-dns.org | — | — | — |
| ns4-08.azure-dns.info | — | — | — |
| TXT Record |
|---|
| 3s04g102l5srhbzl1kxvn6p5b0g5lcgc |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (celsus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves celsus.dk: no address www.celsus.dk: no address |
| Wildcard | No |
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 | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-08.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-11-20 |
| Expires | 2028-11-30 (768d) |
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 |
|---|---|---|---|
| 2026-09-24 10:39:39 | 10005ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:06:33 | 1300ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 16:15:29 | 1456ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 15:49:02 | 9849ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 19:01:55 | 2113ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 18:48:20 | 936ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 20:43:13 | 24288ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:15:51 | 1744ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:03:20 shown | 846ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:00:22 | 857ms | 4 NS 0 A 1 MX | 🔓 Insecure |