pdho.dk is a .dk domain served by 3 nameservers (ns1.hostbase.dk, ns2.hostbase.dk, ns3.hostbase.dk). It was registered on 19 April 2016 (WHOIS) and 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 → 40.104.116.40 |
| 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 |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-04-19 |
| Expires | 2027-04-30 (191d) |
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 |
|---|---|---|---|
| 2026-10-07 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 | 12334ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 05:48:34 shown | 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 |