halshavn.dk is a .dk domain served by 2 nameservers (dale.ns.cloudflare.com, haley.ns.cloudflare.com). It was registered on 9 July 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by halshavn-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 |
|---|---|---|---|---|---|---|---|
| 104.21.73.212 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.120 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:49d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:a678 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.73.212,172.67.166.120 ech=AEX+DQBB4wAgACC5ug3hFondAVigTc4JAHaRnZoeFFHJJ7Tm/5Bmi/zrFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:49d4,2606:4700:3034::ac43:a678 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms14144114 |
| v=spf1 include:spf.protection.outlook.com ~all |
| Policy | Record (halshavn.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com ~all |
| www | 104.21.73.212 172.67.166.120 2606:4700:3031::6815:49d4 2606:4700:3034::ac43:a678 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network halshavn.dk: 104.21.73.212 172.67.166.120 2606:4700:3031::6815:49d4 2606:4700:3034::ac43:a678 (AS13335) www.halshavn.dk: 104.21.73.212 172.67.166.120 2606:4700:3031::6815:49d4 2606:4700:3034::ac43:a678 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.halshavn.dk | IDOdlws5vbNzhzczE-l3e2fpebdRS6GQ8E18kDsG6xo |
| TXT | _acme-challenge.halshavn.dk | b3LT2k2g1fMm9XzOVN6qDtmwoyqGiJ_Pf9so39FEZ8s |
| 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 | 2416255812 |
| Primary NS (MNAME) | dale.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 | 2021-07-09 |
| Expires | 2027-07-31 (287d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 13:20:23 | 2486ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 12:58:51 | 2148ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 12:44:28 shown | 1374ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 11:56:28 | 1439ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 11:38:29 | 1015ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 11:54:59 | 1624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 09:26:20 | 1607ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 08:12:47 | 1168ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:32:22 | 976ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 14:14:50 | 1977ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:28:40 | 2257ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:49:29 | 1229ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:45:02 | 3402ms | 2 NS 2 A 1 MX | 🔓 Insecure |