kalundborg-gym.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.249 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mail.kalundborg-gym.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.217.249 | 3600s | vps.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.kalundborg-gym.dk | 5.56.145.18 | — | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.217.249 |
| 🔶 Autoconfig | 178.20.217.249 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (kalundborg-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.kalundborg-gym.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| www | 178.20.217.249 (AS21060) (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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032502 |
| 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 | 1997-10-02 |
| 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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 04:30:29 | 579ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 04:49:55 | 1104ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 00:29:31 | 662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 09:34:28 | 6589ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 01:14:59 shown | 4634ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 01:35:32 | 4661ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 00:54:06 | 644ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 12:26:00 | 1122ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 00:28:15 | 606ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 21:41:49 | 703ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:46:08 | 1204ms | 2 NS 1 A 1 MX | 🔒 Secure |