3dots.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.2.4 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by 3dots-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.50.2.4 | — | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| 3dots-dk.azurewebsites.net |
| v=spf1 ip4:45.32.233.198 include:spf.protection.outlook.com -all |
| Policy | Record (3dots.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:45.32.233.198 include:spf.protection.outlook.com -all |
| www CNAME | 3dots-dk-redirect.azurewebsites.net (all on azurewebsites.net) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.3dots.dk |
| www vs bare domain | www does not resolve (all like this) |
| 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.u20301636.wl137.sendgrid.net | 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: 1/10 · 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 | 2026030601 |
| 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 | 2015-01-29 |
| Expires | 2027-01-31 (100d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 23:27:38 | 569ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-19 05:52:58 | 955ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 04:25:12 | 1170ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 03:49:35 | 1880ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:37:59 | 908ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 01:25:00 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 17:08:18 | 5458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 02:53:42 | 32390ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 09:22:28 | 761ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:14:21 shown | 790ms | 2 NS 1 A 1 MX | 🔒 Secure |