ceit.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, novalee.ns.cloudflare.com). It was registered on 19 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|
| jay.ns.cloudflare.com | — | — | — |
| novalee.ns.cloudflare.com | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (ceit.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.ceit.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:d10f63b82d5943908302782b183eea9c@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | Neither resolves ceit.dk: no address www.ceit.dk: no address |
| 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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2406563009 |
| Primary NS (MNAME) | jay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-02-19 |
| Expires | 2027-02-28 (133d) |
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 |
|---|---|---|---|
| 2026-10-09 09:16:49 | 590ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 09:13:40 | 345ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-05 06:26:02 | 425ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 06:16:09 | 548ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 10:25:49 | 429ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 14:32:11 | 951ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-15 02:14:24 | 599ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-06 17:00:50 | 1874ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 00:23:30 | 469ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-23 10:52:14 | 7039ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-22 09:31:55 | 942ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-05 23:15:13 | 950ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-01 02:40:32 | 1174ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-04 17:15:49 | 2646ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 13:04:02 | 759ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-28 02:54:51 | 1189ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 01:25:28 | 741ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 21:13:42 | 396ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:33:29 | 7884ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:08:58 shown | 260ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:04:52 | 1064ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 20:00:32 | 453ms | 2 NS 0 A 0 MX | 🔒 Secure |