gjerluf.dk is a .dk domain served by 2 nameservers (beau.ns.cloudflare.com, martha.ns.cloudflare.com). It was registered on 13 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.204 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by pixel.mxrouting.net, pixel-relay.mxrouting.net. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.30.204 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.220 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | pixel.mxrouting.net | 45.43.208.21 | pixel.mxrouting.net | AS46261 QuickPacket, LLC |
| 20 | 300s | pixel-relay.mxrouting.net | 45.43.208.21 | pixel.mxrouting.net | AS46261 QuickPacket, LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.30.204 |
| 🔶 Autoconfig | 104.21.30.204 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:addc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:1ecc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.30.204,172.67.173.220 ech=AEX+DQBBHQAgACAtDaSM+r3444+88W/etNT0QGqCyloCO0uzWRH+ecmuTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:addc,2606:4700:3036::6815:1ecc |
| TXT Record |
|---|
| v=spf1 include:mxlogin.com -all |
| Policy | Record (gjerluf.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mxlogin.com -all |
| www | 104.21.30.204 172.67.173.220 2606:4700:3031::ac43:addc 2606:4700:3036::6815:1ecc (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gjerluf.dk | eC6qxOpdRcUJ_cWQejsRNdsKEnon8ix47zv38CSYUuA |
| TXT | _acme-challenge.gjerluf.dk | gz7KzmKmyR1mW4kygoW2GBgep4-fAI29eXEwCOTMSCw |
| 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 | 2413584250 |
| Primary NS (MNAME) | beau.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 | 2021-04-13 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 02:42:30 | 1255ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 01:35:26 | 785ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 09:03:36 | 803ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-05 22:07:08 | 814ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-31 03:24:21 shown | 1187ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 19:48:10 | 911ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-24 15:16:05 | 10638ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 03:21:23 | 868ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 02:55:16 | 1017ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:32:47 | 1326ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:24:27 | 1307ms | 2 NS 2 A 2 MX | 🔓 Insecure |