dktbio.dk is a .dk domain served by 4 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk, ns3.web-solutions.eu and 1 more). It was registered on 27 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.149.249 is hosted by Sentia Denmark A/S (AS47292) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 81.7.149.249 | 21600s | — | AS47292 | Sentia Denmark A/S | 81.7.148.0/22 | 🇩🇰 Denmark | Kongens Lyngby |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (dktbio.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dktbio.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| www CNAME | dktbio.dk (all on dktbio.dk) → 81.7.149.249 (AS47292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2008067646 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2014-02-27 |
| Expires | 2027-02-28 (132d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:52:14 | 2190ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 10:54:36 | 619ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 10:23:26 | 904ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 04:33:15 | 1226ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 08:18:30 | 658ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 02:33:56 | 582ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-17 03:41:57 | 1918ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 09:26:53 | 1605ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 06:06:27 shown | 976ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 15:40:06 | 798ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 21:22:25 | 2818ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 19:11:27 | 833ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 13:32:34 | 736ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-02 19:35:39 | 9801ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-24 05:34:24 | 1459ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 18:10:43 | 779ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-11 07:40:48 | 965ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 11:58:08 | 896ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 03:47:12 | 665ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 22:34:05 | 548ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 03:50:43 | 449ms | 4 NS 1 A 0 MX | 🔒 Secure |