strukton.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.233.198.14 is hosted by TrueFullstaq B.V. (AS15703) in The Netherlands. Mail is handled by de-smtp-inbound-1.mimecast.com, de-smtp-inbound-2.mimecast.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.233.198.14 | 300s | asp-shared-ip.true.nl | AS15703 | TrueFullstaq B.V. | 87.233.0.0/16 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.43 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 4594vc2enrurqkdf2elts3vpdq |
| 5ivvif3e9gt8jqfc2752ba6jaj |
| 6mrf3f1g6lshtfq8har7paj2ot |
| cBj5l3zR1JPJZCmtktccjitj1DNdUz0j1SH90SYFBlGWiH0gQnM7SlxH/zm5XTFBELEQXokS7lZqZIkIFMp3yA== |
| ce6buufhu1e4hcqcg2ud7d1fn3 |
| facebook-domain-verification=3igfycnrgo6yctem12k1sb2g1cxhtz |
| go4k0qigen312a6ejpc42nrv97 |
| MS=ms40515374 |
| Q20mExgyD46H2RyQ1V/gow6ecK80HL7LE797V2HkZFJZip02pcKWYHVvPEngERXb5dQtxAxYtDcyxvD2J+5E/w== |
| q83qt1s9tesm38npn3jfooeanj |
| v=spf1 mx ip4:212.181.72.54 include:spf.protection.outlook.com include:amazonses.com include:de._netblocks.mimecast.com -all |
| Policy | Record (strukton.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:212.181.72.54 include:spf.protection.outlook.com include:amazonses.com include:de._netblocks.mimecast.com -all |
| Policy | Record (_dmarc.strukton.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; adkim=r; rua=mailto:dmarc@41prac3z.uriports.com; ruf=mailto:dmarc@41prac3z.uriports.com; fo=1:d:s |
| www | 87.233.198.14 (AS15703) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026033001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 07:36:03 | 1237ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 22:02:23 | 1086ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 19:27:46 | 786ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 11:06:06 | 1063ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 20:44:10 | 1446ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 19:25:52 | 836ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 11:14:16 | 1077ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 21:18:13 | 1887ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 00:42:18 shown | 2693ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:07:52 | 2264ms | 2 NS 1 A 2 MX | 🔒 Secure |