byst.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.140 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by byst-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.140 | 3600s | webcluster1.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.101.112.73 |
| 🔶 Autoconfig | 46.30.213.140 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:60:159b:f919:8ae3 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms52155412 |
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (byst.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| www | 46.30.213.169 2a02:2350:5:10c:80ff:37be:a9cb:7b51 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network byst.dk: 46.30.213.169 2a02:2350:5:10c:80ff:37be:a9cb:7b51 (AS51468) www.byst.dk: 46.30.213.169 2a02:2350:5:10c:80ff:37be:a9cb:7b51 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026062205 |
| 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 | 2007-12-05 |
| Expires | 2026-12-31 (67d) |
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 |
|---|---|
| byensaps.dk | Punktum dk A/S (direct) |
| byensstilladseraps.dk | Punktum dk A/S (direct) |
| byensstilladserkbh.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 03:38:16 | 465ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 15:57:11 | 1143ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 05:54:58 | 1232ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 02:34:06 | 3880ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 23:10:38 | 1020ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 14:47:06 | 1122ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 06:59:30 | 5891ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 00:40:52 | 1410ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 12:02:41 shown | 5097ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 05:12:41 | 1255ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-21 07:18:50 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 12:45:29 | 1070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:25:02 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |