htd.dk is a .dk domain served by 2 nameservers (candy.ns.cloudflare.com, kurt.ns.cloudflare.com). It was registered on 12 January 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.54 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by htd-dk.mail.protection.outlook.com, htd-dk.mail.eo.outlook.com and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.45.54 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.77 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | autodiscover.outlook.com → 52.98.154.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:d24d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:2d36 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.45.54,172.67.210.77 ech=AEX+DQBBkwAgACCN601jjmqdeb6zYkU+w37ZYtBVZDp5Lg3csKHcqXRAUwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d24d,2606:4700:3035::6815:2d36 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (htd.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.45.54 172.67.210.77 2606:4700:3031::ac43:d24d 2606:4700:3035::6815:2d36 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.htd.dk | autodiscover.outlook.com |
| 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 | 2418184141 |
| Primary NS (MNAME) | candy.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 | 1996-01-12 |
| Expires | 2027-03-31 (156d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 12:26:17 shown | 1037ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-01 02:09:50 | 1272ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-28 04:06:37 | 1811ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-26 20:01:15 | 6025ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-24 17:52:56 | 5133ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-29 17:48:49 | 4273ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 14:18:37 | 43832ms | 2 NS 2 A 3 MX | 🔓 Insecure |