f1it.dk is a .dk domain served by 2 nameservers (cass.ns.cloudflare.com, dax.ns.cloudflare.com). It was registered on 28 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.235.52.172 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by f1it-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 167.235.52.172 | 300s | web01.f1it.dk | AS24940 | Hetzner Online GmbH | 167.235.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.150.24 |
| TXT Record |
|---|
| google-site-verification=tRJP70-o3Q9Q94lMLOcw5KraISqjwNXmpG9WwA5HMEU |
| MS=ms90027199 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (f1it.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.f1it.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@f1it.dk; fo=1 |
| www CNAME | f1it.dk (all on f1it.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-f1it-dk._domainkey.f1it6760.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.f1it.dk | I9X48XLVkcGAbyb8WiV6MkybUc3ahw5w6PnWG_ZUMDg |
| TXT | _acme-challenge.f1it.dk | Q-KLKFM3rJ-OxTvJhKHyj1QiwZclF-7o7UDFqZNJhLE |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2414031879 |
| Primary NS (MNAME) | cass.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 | 2021-10-28 |
| Expires | 2027-10-27 (375d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 19:03:48 | 1755ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 06:47:08 | 1989ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 12:43:57 | 1861ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 21:54:33 shown | 1767ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 08:10:13 | 1402ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 05:30:40 | 1014ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 16:38:27 | 12379ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 00:28:07 | 3640ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-30 13:21:22 | 2079ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 19:43:20 | 25832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 15:05:20 | 3673ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 21:24:34 | 1024ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 09:10:26 | 1015ms | 2 NS 1 A 1 MX | 🔓 Insecure |