hf-sonderskov.dk is a .dk domain served by 2 nameservers (leonard.ns.cloudflare.com, paityn.ns.cloudflare.com). It was registered on 11 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.215 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by hfsonderskov-dk0e.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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.77.215 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.211.230 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4dd7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:d3e6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.77.215,172.67.211.230 ech=AEX+DQBBkQAgACD27vCTFy0mu1pqNS36tsbP2m178zSs5RNpG3m8pMc7HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4dd7,2606:4700:3034::ac43:d3e6 |
| TXT Record |
|---|
| MS=ms56105593 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (hf-sonderskov.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | 0 issue \"letsencrypt.org\" |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.21.77.215 172.67.211.230 2606:4700:3031::6815:4dd7 2606:4700:3034::ac43:d3e6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hf-sonderskov.dk: 104.21.77.215 172.67.211.230 2606:4700:3031::6815:4dd7 2606:4700:3034::ac43:d3e6 (AS13335) www.hf-sonderskov.dk: 104.21.77.215 172.67.211.230 2606:4700:3031::6815:4dd7 2606:4700:3034::ac43:d3e6 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hf-sonderskov.dk | A0-AYzlsRFfipBql_7vx0ggnskcKkt2PRnku9OWNtFw |
| TXT | _acme-challenge.hf-sonderskov.dk | F6DTcY7fT9I-fKhn_l6ra4oKmft1GKlFmEC2ZCagO-Y |
| TXT | _acme-challenge.hf-sonderskov.dk | F-kwBHwYg_Au6SWToAFjIJgwhC_5L0nk0mPhRX7LrRM |
| TXT | _acme-challenge.hf-sonderskov.dk | Q5b8bC9Jnj572Frs9jbyhaW6cz-hLooJChIkEO9A4cI |
| TXT | _acme-challenge.hf-sonderskov.dk | TGi_UxRG04s95z2cGWH6Po2js4YFjn8VnB4tjrrBG1s |
| TXT | _acme-challenge.hf-sonderskov.dk | xr8ytRWWJv8Q0By37TPsESKsQpxu4gIKarHufb9zvJI |
| 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 | 2416955610 |
| Primary NS (MNAME) | leonard.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 | 2017-01-11 |
| Expires | 2027-01-31 (103d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 22:23:26 shown | 7057ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 20:28:22 | 1150ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 03:24:49 | 1657ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:17:13 | 1565ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 03:41:50 | 1581ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 21:49:21 | 1791ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-10 22:03:20 | 3106ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-29 17:59:35 | 11157ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-21 05:59:09 | 2299ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:18:52 | 1353ms | 2 NS 1 A 1 MX | 🔓 Insecure |