0-20.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.127 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by 020-dk0c.mail.protection.outlook.com. 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.127 | — | webforward.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| ca3-3d6f7dd0eceb4f3a8a02ed33330541fe |
| v=spf1 include:spf.protection.outlook.com a:ldx106.ldasp.dk include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.135.42 -all |
| Policy | Record (0-20.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com a:ldx106.ldasp.dk include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.135.42 -all |
| Policy | Record (_dmarc.0-20.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| 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: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042001 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2004-03-09 |
| Expires | 2027-03-31 (165d) |
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).
| Domain | Registrar |
|---|---|
| ajaxalarm.dk | Punktum dk A/S (direct) |
| amstrup-sikring.dk | Punktum dk A/S (direct) |
| trygogsikker.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 06:53:37 | 1100ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 22:47:19 | 1245ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:28:40 | 1051ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 03:50:14 | 608ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 12:32:14 | 3090ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:31:45 shown | 1378ms | 2 NS 1 A 1 MX | 🔒 Secure |