gertbjerregaard.dk is a .dk domain served by 2 nameservers (art.ns.cloudflare.com, chloe.ns.cloudflare.com). It was registered on 14 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.199 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxa.eu.mailgun.org, mxb.eu.mailgun.org. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.19.199 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.153 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mxa.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 600s | mxb.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:13c7 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:bc99 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.19.199,172.67.188.153 ech=AEX+DQBB0gAgACBnJ6i/nUsaqBThfBAwLcOV/OB6sreMe9uVdCX1dvxpKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:13c7,2606:4700:3034::ac43:bc99 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (gertbjerregaard.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| www | 104.21.19.199 172.67.188.153 2606:4700:3030::6815:13c7 2606:4700:3034::ac43:bc99 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network gertbjerregaard.dk: 104.21.19.199 172.67.188.153 2606:4700:3030::6815:13c7 2606:4700:3034::ac43:bc99 (AS13335) www.gertbjerregaard.dk: 104.21.19.199 172.67.188.153 2606:4700:3030::6815:13c7 2606:4700:3034::ac43:bc99 (AS13335) |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2405682576 |
| Primary NS (MNAME) | art.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2013-03-14 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 01:36:20 | 609ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 08:40:16 | 723ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-01 07:02:30 | 870ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-28 05:40:06 | 791ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-27 05:17:01 | 704ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 03:57:53 | 1591ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-19 21:05:28 | 1831ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-10 23:49:24 | 1533ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 21:39:46 | 9590ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 00:06:58 | 652ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-24 15:14:40 | 10215ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-19 04:06:31 | 2536ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-01 23:19:42 | 1153ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 15:26:15 shown | 721ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:04:31 | 2983ms | 2 NS 2 A 2 MX | 🔓 Insecure |