doubt.dk is a .dk domain served by 2 nameservers (brian.ns.cloudflare.com, kara.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.62.98.136 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 87.62.98.136 | 300s | 0x573e6288.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Viborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.132.215.75 |
| 🔶 Autoconfig | 194.132.215.75 |
| Policy | Record (_dmarc.doubt.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:e4f1ae625e134b36bd3947da7d9362c3@dmarc-reports.cloudflare.net |
| www | 194.132.215.75 2a12:bec4:1d06::15 (AS209837) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2412794281 |
| Primary NS (MNAME) | brian.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:38:48 | 560ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 02:49:09 | 1082ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 10:20:32 | 566ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 01:07:22 | 564ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 08:28:52 | 982ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 02:02:25 | 497ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 23:24:16 | 500ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 22:29:42 shown | 9540ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-22 09:33:04 | 4185ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-09 15:46:24 | 3241ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 19:56:12 | 8818ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 05:47:02 | 1133ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 04:30:39 | 365ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 04:20:34 | 384ms | 2 NS 1 A 0 MX | 🔒 Secure |