tek.dk is a .dk domain served by 2 nameservers (andy.ns.cloudflare.com, aria.ns.cloudflare.com). It was registered on 5 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.68.96 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.gigahost.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.68.96 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.192.192 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.gigahost.dk | 89.186.169.85 | — | AS47292 Sentia Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:c0c0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:4460 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.68.96,172.67.192.192 ech=AEX+DQBB/AAgACDkQn75u68jf13fHuc0EGMzIMLP7MDmbrjVtybKzH9vcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c0c0,2606:4700:3034::6815:4460 |
| TXT Record |
|---|
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (tek.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| www | 104.21.68.96 172.67.192.192 2606:4700:3032::ac43:c0c0 2606:4700:3034::6815:4460 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2405889159 |
| Primary NS (MNAME) | andy.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 | 2006-06-05 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|---|---|
| 2026-10-09 13:22:19 | 769ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 09:25:45 | 487ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 03:11:52 | 615ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 23:24:51 | 843ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 22:26:13 | 624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 16:30:25 | 765ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 04:23:58 | 1461ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 20:54:16 | 9808ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 14:47:24 | 1173ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-27 11:45:15 shown | 1096ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:38:22 | 922ms | 2 NS 2 A 1 MX | 🔓 Insecure |