covidvacinen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (covidvacinen.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.covidvacinen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com; |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092907 |
| 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 | 2020-12-21 |
| Expires | 2026-12-31 (66d) |
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 |
|---|---|---|---|
| 2026-10-02 15:05:31 | 456ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 07:27:31 shown | 487ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 05:08:45 | 906ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-26 16:06:21 | 2839ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-30 06:21:33 | 949ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 22:35:59 | 780ms | 2 NS 1 A 4 MX | 🔓 Insecure |