synergiskolerne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 195.47.247.18 (AS51468) (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 | 2026100904 |
| 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 | 2003-03-05 |
| Expires | 2027-03-31 (161d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 04:51:54 shown | 521ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 16:13:56 | 1283ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 15:58:06 | 450ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 17:44:43 | 415ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 04:53:25 | 634ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 23:58:53 | 709ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 12:13:21 | 2594ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-10 11:43:19 | 5049ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-13 18:04:42 | 6950ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-12 07:40:02 | 5196ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 12:21:14 | 9650ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 13:38:36 | 634ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 12:07:14 | 607ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 15:24:10 | 789ms | 2 NS 1 A 4 MX | 🔒 Secure |