jacobbundgaard.dk is a .dk domain served by 2 nameservers (justin.ns.cloudflare.com, kallie.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.105.228.104 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 51.105.228.104 | 300s | — | AS8075 | Microsoft Corporation | 51.104.0.0/14 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | jacobbundgaard.dk → 51.105.228.104 |
| 🔶 Autoconfig | jacobbundgaard.dk → 51.105.228.104 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 include:spf.gigahost.dk include:_spf.mx.cloudflare.net -all |
| Policy | Record (jacobbundgaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.gigahost.dk include:_spf.mx.cloudflare.net -all |
| Policy | Record (_dmarc.jacobbundgaard.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | jacobbundgaard.dk (all on jacobbundgaard.dk) → 51.105.228.104 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.jacobbundgaard.dk | jacobbundgaard.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413765865 |
| Primary NS (MNAME) | justin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:20:53 | 1234ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 05:53:31 | 803ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 08:15:12 | 910ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 05:56:46 | 3401ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 08:39:31 shown | 1511ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-31 05:42:30 | 1417ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 18:29:12 | 676ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:17:46 | 6145ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 04:54:52 | 9995ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 12:30:14 | 917ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-05 20:35:03 | 1336ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 17:18:16 | 8902ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 22:00:03 | 1586ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-13 03:53:47 | 1272ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:56:39 | 2531ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 19:13:35 | 1021ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 01:57:28 | 5143ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 17:00:37 | 918ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 22:08:58 | 707ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 06:54:21 | 1635ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 01:17:19 | 1517ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 17:33:50 | 920ms | 5 NS 1 A 3 MX | 🔓 Insecure |