gertzahle.dk is a .dk domain served by 2 nameservers (dom.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 2 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.58 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.28.58 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.170.99 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1c3a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:aa63 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.28.58,172.67.170.99 ech=AEX+DQBBhgAgACD3kTKr4mmhdmqt93xaex5UtQANHHI70Pr93iCzaPMBDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1c3a,2606:4700:3033::ac43:aa63 |
| TXT Record |
|---|
| v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all |
| Policy | Record (gertzahle.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all |
| www | 104.21.28.58 172.67.170.99 2606:4700:3033::6815:1c3a 2606:4700:3033::ac43:aa63 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network gertzahle.dk: 104.21.28.58 172.67.170.99 2606:4700:3033::6815:1c3a 2606:4700:3033::ac43:aa63 (AS13335) www.gertzahle.dk: 104.21.28.58 172.67.170.99 2606:4700:3033::6815:1c3a 2606:4700:3033::ac43:aa63 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gertzahle.dk | bWubyIR5DkOp1xThMVA9xPH24q-cCzL_jBMMuC_Ztro |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412352615 |
| Primary NS (MNAME) | dom.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2015-02-02 |
| Expires | 2027-02-28 (126d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 07:21:42 | 403ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-14 06:20:05 | 4042ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-03 21:37:50 | 496ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 14:45:48 | 2446ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-22 16:56:29 | 1209ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 13:56:40 | 684ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 08:08:57 | 2426ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 21:28:33 | 740ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 04:55:40 | 551ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 04:54:21 shown | 659ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:25:17 | 544ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-16 13:16:31 | 8774ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-06 06:16:55 | 1140ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-21 19:47:57 | 1538ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-14 12:38:23 | 955ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 03:52:00 | 469ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-19 21:43:22 | 503ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 09:35:10 | 551ms | 2 NS 2 A 0 MX | 🔓 Insecure |