trygteknik.dk is a .dk domain served by 4 nameservers (ns1.completnet.com, ns2.completnet.dk, ns3.completnet.com and 1 more). It was registered on 6 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.trygteknik.dk. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.trygteknik.dk | 194.11.26.88 | mail.trygteknik.dk | AS216313 Completnet ApS |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (trygteknik.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.trygteknik.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; sp=none |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves trygteknik.dk: no address www.trygteknik.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025062101 |
| Primary NS (MNAME) | ns1.completnet.com |
| Responsible (RNAME) | noc@completnet.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-01-06 |
| Expires | 2027-01-05 (78d) |
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 |
|---|---|
| tryg-teknik.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:46:56 | 423ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-11 23:43:26 | 3118ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 17:41:55 | 395ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 17:14:48 | 3176ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 17:08:23 | 511ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 02:29:05 | 426ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 03:23:32 | 998ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 02:23:14 | 752ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-19 14:43:39 | 1445ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 12:48:11 | 1165ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-08 02:41:45 | 1496ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 00:43:15 | 531ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 00:50:42 | 5099ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 05:31:21 | 1071ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 02:23:17 | 1101ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:14:08 shown | 679ms | 4 NS 0 A 1 MX | 🔓 Insecure |