viisholm.dk is a .dk domain served by 3 nameservers (ns1.maxsystems.dk, ns2.maxsystems.dk, ns3.maxsystems.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.rulerz.dk. The zone is not DNSSEC-signed, 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 | 300s | mail.rulerz.dk | 95.211.165.157 | alis.partyfm.dk | AS60781 LeaseWeb Netherlands B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 95.211.165.157 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | autodiscover.viisholm.dk |
| TXT Record |
|---|
| google-site-verification=eEl5uCWDbnJsY3dO-T0Mw-qxJvvpi3aVeD7h6fZL7eA |
| v=spf1 ip4:95.211.165.157 -all |
| Policy | Record (viisholm.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:95.211.165.157 -all |
| Policy | Record (_dmarc.viisholm.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@viisholm.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves viisholm.dk: no address www.viisholm.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026042227 |
| Primary NS (MNAME) | ns1.maxsystems.dk |
| Responsible (RNAME) | hostmaster@maxsystems.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-31 22:32:33 | 1034ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-06 02:00:09 | 1302ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-03 13:49:46 | 1581ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 14:49:35 | 1222ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 00:52:44 | 736ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 02:28:43 shown | 672ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 19:47:36 | 814ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 21:41:32 | 1201ms | 3 NS 0 A 1 MX | 🔓 Insecure |