runholt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 208.111.34.134 is hosted by NetActuate, Inc (AS36236) in United States. Mail is handled by v1.runholt.dk, mail.runholt.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 |
|---|---|---|---|---|---|---|---|
| 208.111.34.134 | 43200s | v1.runholt.dk | AS36236 | NetActuate, Inc | 208.111.32.0/22 | 🇺🇸 United States | San Jose |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | v1.runholt.dk | 208.111.34.134 | v1.runholt.dk | AS36236 NetActuate, Inc |
| 20 | 3600s | mail.runholt.dk | 178.104.162.157 | mail.runholt.dk | AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | runholt.dk → 208.111.34.134 |
| 🔶 Autoconfig | runholt.dk → 208.111.34.134 |
| TXT Record |
|---|
| v=spf1 mx include:aspmx.googlemail.com -all |
| Policy | Record (runholt.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:aspmx.googlemail.com -all |
| Policy | Record (_dmarc.runholt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.runholt.dk | runholt.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| 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 | 1998-10-29 |
| Expires | 2036-07-31 (3569d) |
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 |
|---|---|---|---|
| 2026-10-12 04:26:40 | 1351ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 17:38:36 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 20:45:14 | 758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 01:20:14 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 03:18:02 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 21:11:10 | 932ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 03:19:21 | 688ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 21:03:34 | 1627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 19:58:43 | 8838ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 03:42:54 | 5340ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-26 04:15:07 | 1079ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 07:00:48 | 986ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 00:16:20 | 927ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 11:41:39 | 3076ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 06:22:57 shown | 1290ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 04:00:49 | 1171ms | 2 NS 1 A 2 MX | 🔒 Secure |