biosustainabilitydesign.dk is a .dk domain served by 2 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk). It was registered on 3 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.7.177.103 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.web-solutions.eu. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.web-solutions.dk | 81.7.150.66 | ns.web-solutions.dk | AS47292 Sentia Denmark A/S |
| ns2.web-solutions.dk | 185.12.179.209 | ns2.web-solutions.dk | AS200185 Aruba S.p.A. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.7.177.103 | 600s | — | AS47292 | Sentia Denmark A/S | 81.7.176.0/20 | 🇩🇰 Denmark | Nordhavn |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 7200s | mail.web-solutions.eu | 81.7.177.109 | mail.web-solutions.eu | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.ubivox.com mx a -all |
| Policy | Record (biosustainabilitydesign.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.ubivox.com mx a -all |
| www | 194.99.46.242 (AS34766) (address records, no CNAME) |
| www vs bare domain | Same network biosustainabilitydesign.dk: 194.99.46.242 (AS34766) www.biosustainabilitydesign.dk: 194.99.46.242 (AS34766) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · 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 | 2025103292 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.eu |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2025-10-03 |
| Expires | 2027-10-02 (350d) |
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).
Showing 100 of 170.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:30:08 | 819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 18:19:49 | 1982ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 17:17:46 | 460ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 16:57:33 | 916ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 03:41:45 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 16:50:59 | 946ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 11:20:22 | 1111ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 07:11:10 | 2075ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 03:20:26 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:43:28 | 663ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 10:38:10 | 531ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 04:20:00 | 1437ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 03:42:56 | 5218ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 00:48:34 | 16499ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 05:12:38 | 702ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 13:50:39 shown | 814ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 13:34:42 | 714ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 05:01:00 | 796ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 03:23:51 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 13:24:31 | 2449ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 10:59:11 | 1328ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 22:48:29 | 1282ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:38:02 | 726ms | 2 NS 1 A 1 MX | 🔒 Secure |