pdho.dk is a .dk domain served by 3 nameservers (ns1.hostbase.dk, ns2.hostbase.dk, ns3.hostbase.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by pdho-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.hostbase.dk | 185.103.123.13 | — | AS204171 TD-K A/S |
| ns2.hostbase.dk | 185.103.123.14 | — | AS204171 TD-K A/S |
| ns3.hostbase.dk | 185.150.199.99 | — | AS202914 Adeo Datacenter ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| MS=ms91645334 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (pdho.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.pdho.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@td-k.dk; ruf=mailto:dmarc@td-k.dk; adkim=s; aspf=s; fo=0:1:d:s; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves pdho.dk: no address www.pdho.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-pdho-dk._domainkey.pdholding.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-pdho-dk._domainkey.pdholding.onmicrosoft.com | 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: 1/10 · 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 | 2016042139 |
| Primary NS (MNAME) | dns01.hostbase.local |
| Responsible (RNAME) | hostmaster@pdho.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 18:48:56 | 1044ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 22:44:11 | 1793ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 11:23:02 | 750ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 15:12:44 shown | 12334ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 05:48:34 | 1022ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 03:30:09 | 909ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:56:46 | 1139ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 08:17:31 | 1367ms | 3 NS 0 A 1 MX | 🔓 Insecure |