sofieskolen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 September 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.238.53.235 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mailin.cas.dk. 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 |
|---|---|---|---|---|---|---|---|
| 109.238.53.235 | 599s | — | AS47292 | Sentia Denmark A/S | 109.238.48.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mailin.cas.dk | 89.221.166.185 | — | AS31027 GlobalConnect A/S |
| www | 109.238.53.235 (AS47292) (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| 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 | 2000-09-26 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-13 20:37:04 | 438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:34:20 | 630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 01:04:33 | 458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 09:22:31 | 4871ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 22:45:57 | 768ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 22:07:52 | 2861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 20:28:03 | 1012ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 12:02:01 | 6595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 03:59:59 | 8615ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 15:20:31 shown | 2306ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 11:56:15 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:09:08 | 2042ms | 2 NS 1 A 1 MX | 🔒 Secure |