h28.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.254 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.109.254 | — | linux6.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.protonmail.ch | 176.119.200.128 185.205.70.128 185.70.42.128 |
mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch |
AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG |
| TXT Record |
|---|
| google-site-verification=GXzuEJVh_Qtpu_WuOdBAMVo_GUJ37ZQLCcw4LpljLNs |
| protonmail-verification=4720f39d91e54c4f2d935a215c66892963292f6d |
| www | 216.198.79.1 64.29.17.65 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026011201 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-09-04 |
| Expires | 2027-09-03 (315d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 07:33:24 | 1078ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-09 10:42:01 | 783ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 22:19:44 | 882ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-08 16:36:54 | 1730ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-05 20:05:21 | 935ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 10:06:43 | 1533ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 04:17:56 | 496ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:47:54 shown | 697ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:41:52 | 764ms | 3 NS 1 A 1 MX | 🔒 Secure |