teck.dk is a .dk domain served by 2 nameservers (craig.ns.cloudflare.com, maria.ns.cloudflare.com). It was registered on 8 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is of unknown DNSSEC status, publishes a DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| protonmail-verification=c9029bb835a5bb00695c601ab8317305954e1f67 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (teck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.teck.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 104.21.41.62 172.67.189.122 2606:4700:3030::6815:293e 2606:4700:3031::ac43:bd7a (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves teck.dk: no address (all like this)www.teck.dk: 104.21.41.62 172.67.189.122 2606:4700:3030::6815:293e 2606:4700:3031::ac43:bd7a (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'teck.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2409302635 |
| Primary NS (MNAME) | craig.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-07-08 |
| Expires | 2027-07-07 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:36:01 | 2808ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-06 23:31:36 | 481ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-24 17:44:57 | 827ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-20 18:12:08 | 10084ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-14 05:23:40 | 1212ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-05 09:40:38 | 1525ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-08 23:15:48 | 1338ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-07-12 06:35:56 shown | 1618ms | 2 NS 0 A 2 MX | ❓ Unknown |
| 2026-06-26 21:11:07 | 827ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-19 14:11:04 | 3088ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:37:42 | 4391ms | 2 NS 0 A 2 MX | 🔓 Insecure |