fasterholt.dk is a .dk domain served by 2 nameservers (meiling.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fasterholt-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.83.251 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.184.2 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:53fb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b802 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.83.251,172.67.184.2 ech=AEX+DQBBRQAgACBRIQW3W4XvI/rGx9OkTAg1sjuW10E4qYkqWzotc08vAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:53fb,2606:4700:3037::ac43:b802 |
| TXT Record |
|---|
| MS=ms91586805 |
| v=spf1 mx include:_spf.mail.dlx.dk include:spf.protection.outlook.com include:spf.mandrillapp.com ~all |
| Policy | Record (fasterholt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:_spf.mail.dlx.dk include:spf.protection.outlook.com include:spf.mandrillapp.com ~all |
| www CNAME | fasterholt.dk (all on fasterholt.dk) → 185.21.41.254 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fasterholt.dk | ab3e9c07-a5d6-4c0f-978f-e833ce7253a0.auth.acme-dns.io |
| TXT | ab3e9c07-a5d6-4c0f-978f-e833ce7253a0.auth.acme-dns.io | 4JK1lnY3i5BZy_XjVXl4uYAe5XaEJ7aXxtIgvIUCUjs |
| TXT | ab3e9c07-a5d6-4c0f-978f-e833ce7253a0.auth.acme-dns.io | Xaj5AykcX67DHvApyuI97slK6Ai1d08EtmNcw8GoXto |
| 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 | 2406491335 |
| Primary NS (MNAME) | meiling.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 13:21:53 | 1418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 11:36:06 | 1376ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 09:10:14 | 1176ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 15:43:54 | 6626ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:59:14 | 800ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 13:13:28 | 762ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 10:20:40 shown | 2138ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 12:15:34 | 1178ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 04:40:04 | 1378ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 13:08:12 | 1024ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:13:07 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:29:36 | 1263ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:26:45 | 4271ms | 2 NS 2 A 1 MX | 🔓 Insecure |