sajber.dk is a .dk domain served by 2 nameservers (ns1.dns.services, ns2.dns.services). It was registered on 18 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.syber.systems. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.syber.systems | 37.97.50.103 | 37.97.50.103.dynamic.altibox.net | AS214875 Altibox Danmark AS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.syber.systems → 37.97.50.103 |
| 🔶 Autoconfig | mail.syber.systems → 37.97.50.103 |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (sajber.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.sajber.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves sajber.dk: no address www.sajber.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.syber.systems | DANE-EE · SPKI · SHA-256 | 45F201722B049F378F9644E50469725A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022041009 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-04-18 |
| Expires | 2027-06-30 (248d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:23:11 | 653ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 15:09:43 | 975ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 11:55:10 | 863ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 23:54:57 | 488ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 17:46:21 | 2181ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 18:21:31 shown | 1005ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 19:35:12 | 1149ms | 2 NS 0 A 1 MX | 🔒 Secure |