biofos.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.237.110.239 is hosted by UpCloud Ltd (AS202053) in The Netherlands. Mail is handled by biofos-dk.mail.protection.outlook.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.237.110.239 | — | k8s04.oitudv.dk | AS202053 | UpCloud Ltd | 94.237.96.0/20 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| 8fuQK/P0tl3HdQJNpft8xj83kMxNhxMAhnIrDSM48QXoY7RIYzv67EJRAtUReHzSnDrwb76BWN3EcG6W4pArYQ== |
| ms-domain-verification=5dc1d7a2-1b4b-470c-9ec6-775acc862fc8 |
| MS=ms43675252 |
| teamviewer-sso-verification=dc5e6aa77ac5451f89afe64ef974f7a7 |
| v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.topdesk.net include:web.shared.mysmtp.com include:spf-westeu.emailsignatures365.com ip4:52.174.91.152 ip4:62.243.192.23 -all |
| Policy | Record (biofos.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com include:spf.topdesk.net include:web.shared.mysmtp.com include:spf-westeu.emailsignatures365.com ip4:52.174.91.152 ip4:62.243.192.23 -all |
| Policy | Record (_dmarc.biofos.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:zwoumnx7@ag.eu.dmarcadvisor.com; |
| www | 94.237.110.239 (AS202053) (address records, no CNAME) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u20139949.wl200.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u20139949.wl200.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-biofos-dk._domainkey.biofos.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-biofos-dk._domainkey.biofos.onmicrosoft.com | RSA · ~1024 bit below 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: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-12-10 |
| Expires | 2033-12-31 (2631d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 05:26:00 | 969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 21:11:47 | 1582ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:17:40 | 912ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 05:37:05 | 1112ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 01:17:56 | 1832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 03:06:18 | 1252ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 05:16:03 | 6169ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 04:59:03 | 3927ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 18:42:23 | 3766ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 08:26:17 | 1313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 15:40:52 | 1753ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 02:09:38 | 1418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:09:46 | 2861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:37:13 shown | 715ms | 2 NS 1 A 1 MX | 🔒 Secure |