kryptologi.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.136.28 is hosted by Sentia Denmark A/S (AS47292) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 81.7.136.28 | 3600s | virgo.webstream.dk | AS47292 | Sentia Denmark A/S | 81.7.136.0/22 | 🇩🇰 Denmark | Charlottenlund |
| www | 81.7.136.28 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023112808 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:57:48 shown | 532ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 16:29:19 | 422ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-02 08:32:32 | 3691ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 03:54:22 | 755ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 01:10:09 | 1186ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 22:20:11 | 877ms | 3 NS 1 A 0 MX | 🔒 Secure |