oktan.dk is a .dk domain served by 2 nameservers (algin.ns.cloudflare.com, zara.ns.cloudflare.com). It was registered on 21 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.110 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.93.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.209.62 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:d13e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:5d6e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.93.110,172.67.209.62 ech=AEX+DQBBeAAgACDjKaunlIPwdp7tbfRj7r0QgutE5Y8n7/khxelj1YhEGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d13e,2606:4700:3034::6815:5d6e |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (oktan.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.oktan.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve oktan.dk: 104.21.93.110 172.67.209.62 2606:4700:3031::ac43:d13e 2606:4700:3034::6815:5d6e (AS13335) (all like this)www.oktan.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.oktan.dk | 9jtohFHTJowDRHslCd-_XQKw2agYRcMdGUSoIfWriL8 |
| TXT | _acme-challenge.oktan.dk | LKtmPexOa2sWuGu9AtbPrQHinw5oQYAIRrqo8WfjcnY |
| 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 | 2417562722 |
| Primary NS (MNAME) | algin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-08-21 |
| Expires | 2027-08-20 (303d) |
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).
| Domain | Registrar |
|---|---|
| rofl.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 06:32:35 | 2974ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-16 05:57:20 shown | 3023ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-08 14:49:26 | 439ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 19:02:36 | 618ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-19 05:44:41 | 3067ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 05:25:32 | 4630ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 06:09:21 | 752ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 02:22:51 | 630ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 01:24:11 | 638ms | 2 NS 1 A 0 MX | 🔒 Secure |