kfo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.18.84 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by kfo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.4.18.84 | — | server5.designrus.dk | AS24940 | Hetzner Online GmbH | 46.4.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 46.4.18.84 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:221:3960::2 | — | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (kfo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.kfo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;pct=100 |
| www | 46.4.18.84 2a01:4f8:221:3960::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network kfo.dk: 46.4.18.84 2a01:4f8:221:3960::2 (AS24940) www.kfo.dk: 46.4.18.84 2a01:4f8:221:3960::2 (AS24940) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-kfo-dk._domainkey.kfodk.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| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'kfo.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026060401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-11-30 |
| Expires | 2026-12-31 (74d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 23:55:37 | 879ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 12:58:37 | 1605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 00:08:47 | 1106ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 01:06:20 | 5558ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 22:24:41 | 3545ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 05:29:50 | 1617ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 06:42:41 | 4433ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 07:44:05 | 1371ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 12:54:19 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 01:20:30 | 898ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 22:04:48 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:33:10 | 3021ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 04:57:22 shown | 1889ms | 2 NS 1 A 1 MX | ⚠️ Bogus |