kfrr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.164 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by kfrr-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.164 | 3600s | webcluster37.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 77.111.240.164 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:8022:bbbc:ee13:b336 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms32450832 |
| v=spf1 include:spf.protection.outlook.com include:_spf.one.com ~all |
| Policy | Record (kfrr.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:_spf.one.com ~all |
| www | 77.111.240.164 2a02:2350:5:102:8022:bbbc:ee13:b336 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network kfrr.dk: 77.111.240.164 2a02:2350:5:102:8022:bbbc:ee13:b336 (AS51468) www.kfrr.dk: 77.111.240.164 2a02:2350:5:102:8022:bbbc:ee13:b336 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081405 |
| 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 | 2021-08-04 |
| Expires | 2027-08-31 (313d) |
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 |
|---|---|---|---|
| 2026-10-19 04:59:05 | 2203ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 03:54:35 | 1408ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 17:05:14 | 1070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 21:54:46 shown | 751ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:47:59 | 2962ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 06:39:13 | 709ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 14:38:17 | 804ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 14:50:20 | 2164ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 09:57:53 | 4297ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 09:34:57 | 9043ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 11:09:46 | 843ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 01:33:00 | 10067ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 16:54:13 | 1089ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 20:24:07 | 672ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:39:17 | 2162ms | 2 NS 1 A 1 MX | 🔒 Secure |