gert.dk is a .dk domain served by 2 nameservers (brett.ns.cloudflare.com, teresa.ns.cloudflare.com). It was registered on 23 June 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.181 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.181 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.198.67 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.198.67 |
| 🔶 Autoconfig | 172.67.198.67 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:24b5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:c643 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.181,172.67.198.67 ech=AEX+DQBB1AAgACCuuUsJXnatSGdOb+4U4agDcGIoe7CEgnEQuWfwsbO2JAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:24b5,2606:4700:3034::ac43:c643 |
| TXT Record |
|---|
| ca3-5cf1c3c652ce4bcca84f56340fc2edfa |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (gert.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| www | 104.21.36.181 172.67.198.67 2606:4700:3030::6815:24b5 2606:4700:3034::ac43:c643 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gert.dk | i7sYOGWOCRfEeILYyINFhYMhweLxxr-0ezbU-P645_M |
| TXT | _acme-challenge.gert.dk | pTkzLXGE217g5LuQha6_mxJHeXwkidwMPApbkYXicMg |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415020659 |
| Primary NS (MNAME) | brett.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-06-23 |
| Expires | 2032-06-30 (2081d) |
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 |
|---|---|
| takeastand.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 23:30:23 | 2082ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-10-09 14:52:04 | 761ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-10-04 17:43:32 | 3023ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-29 17:24:29 | 803ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-23 23:47:32 | 945ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-17 20:38:56 shown | 1459ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-08-30 22:00:17 | 3172ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-08-08 07:25:15 | 1940ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-07-20 14:15:47 | 1591ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-07-13 01:10:51 | 1883ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-06-27 09:28:44 | 990ms | 2 NS 2 A 7 MX | 🔓 Insecure |
| 2026-06-17 10:00:06 | 9413ms | 2 NS 2 A 7 MX | 🔓 Insecure |