jacobbecker.dk is a .dk domain served by 2 nameservers (julian.ns.cloudflare.com, maya.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.44.109 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by server7153.serverpark.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.44.109 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.198.190 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | server7153.serverpark.dk | 5.186.164.153 | server7153.serverpark.dk | AS44869 FIBIA P/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:c6be | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:2c6d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.44.109,172.67.198.190 ech=AEX+DQBBNwAgACANG785NbYxf2vAoHiUugO7PDLchnWNz2f+95epg2DJewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c6be,2606:4700:3035::6815:2c6d |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.serverpark.dk ~all |
| Policy | Record (jacobbecker.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.serverpark.dk ~all |
| Policy | Record (_dmarc.jacobbecker.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.44.109 172.67.198.190 2606:4700:3030::ac43:c6be 2606:4700:3035::6815:2c6d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jacobbecker.dk: 104.21.44.109 172.67.198.190 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.jacobbecker.dk: 104.21.44.109 172.67.198.190 2606:4700:3030::ac43:c6be 2606:4700:3035::6815:2c6d (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415289737 |
| Primary NS (MNAME) | julian.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 17:06:18 | 971ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:15:48 shown | 625ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 06:20:02 | 650ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 14:42:04 | 1760ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 02:09:21 | 9924ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 05:29:26 | 788ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:33:26 | 1844ms | 3 NS 1 A 1 MX | 🔒 Secure |