one-company.dk is a .dk domain served by 2 nameservers (chelsea.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 23 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.130 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.93.130 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.44 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.210.44 |
| 🔶 Autoconfig | 172.67.210.44 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:d22c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:5d82 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.93.130,172.67.210.44 ech=AEX+DQBBxgAgACCI/ltASQ7yzusMw28k+3CqxrGdyvLpv6QjJMDzMVH9KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d22c,2606:4700:3036::6815:5d82 |
| TXT Record |
|---|
| MS=ms42463567 |
| v=spf1 include:spf1.daarbak.dk include:spf.roso.itfhosting.dk include:spf.mandrillapp.com include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com -all |
| Policy | Record (one-company.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf1.daarbak.dk include:spf.roso.itfhosting.dk include:spf.mandrillapp.com include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com -all |
| www | 104.21.93.130 172.67.210.44 2606:4700:3033::ac43:d22c 2606:4700:3036::6815:5d82 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network one-company.dk: 104.21.93.130 172.67.210.44 2606:4700:3033::ac43:d22c 2606:4700:3036::6815:5d82 (AS13335) www.one-company.dk: 104.21.93.130 172.67.210.44 2606:4700:3033::ac43:d22c 2606:4700:3036::6815:5d82 (AS13335) |
| Wildcard | No |
DNS lookups: 10/10 · policy: -all
| 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 | 2418346115 |
| Primary NS (MNAME) | chelsea.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domænehajen ApS |
| Registered | 2013-09-23 |
| Expires | 2027-09-30 (337d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-27 20:27:46 | 431ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-25 04:04:56 shown | 445ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 22:34:04 | 491ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 06:55:16 | 694ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 04:11:51 | 1084ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-01 15:57:13 | 1279ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 20:01:08 | 2222ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 12:14:16 | 2551ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 02:51:38 | 898ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 07:46:48 | 493ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 21:14:20 | 916ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:42:06 | 668ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 00:03:14 | 494ms | 4 NS 1 A 0 MX | 🔒 Secure |