jakobholst.dk is a .dk domain served by 2 nameservers (arch.ns.cloudflare.com, ivy.ns.cloudflare.com). It was registered on 6 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.jakobholst.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.jakobholst.dk | 178.104.174.160 2a01:4f8:c2c:b5fe::1 |
mail.jakobholst.dk mail.jakobholst.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.jakobholst.dk → 178.104.174.160 |
| 🔶 Autoconfig | mail.jakobholst.dk → 178.104.174.160 |
| TXT Record |
|---|
| v=spf1 mx a:178.105.143.44 ~all |
| Policy | Record (jakobholst.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a:178.105.143.44 ~all |
| Policy | Record (_dmarc.jakobholst.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@jakobholst.dk |
| www | 104.21.38.60 172.67.219.141 2606:4700:3030::ac43:db8d 2606:4700:3031::6815:263c (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves jakobholst.dk: no address (all like this)www.jakobholst.dk: 104.21.38.60 172.67.219.141 2606:4700:3030::ac43:db8d 2606:4700:3031::6815:263c (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2418054156 |
| Primary NS (MNAME) | arch.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2022-05-06 |
| Expires | 2027-05-05 (194d) |
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 |
|---|---|
| lenetteholst.dk | ONE.COM A/S |
| thycyklering.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 15:03:22 shown | 3084ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-08 07:27:11 | 715ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 18:50:46 | 964ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 18:48:36 | 1225ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 18:36:21 | 716ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 18:26:29 | 634ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-26 18:02:08 | 702ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-20 22:44:14 | 700ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-14 09:37:19 | 9750ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-12 08:46:12 | 2008ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-29 15:11:02 | 1107ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:02:10 | 1085ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-24 20:58:17 | 2983ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-23 20:43:40 | 3151ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-19 13:10:46 | 9517ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-14 19:09:07 | 1189ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-13 05:26:23 | 4895ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-03 07:43:49 | 964ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-20 14:33:47 | 1437ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-14 21:46:25 | 9950ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-08 09:39:39 | 1180ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 12:00:12 | 990ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 09:42:01 | 1390ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 08:39:14 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:30:46 | 3092ms | 2 NS 0 A 1 MX | 🔓 Insecure |