pbi-holding.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 February 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by pbiholding-dk0i.mail.protection.outlook.com. 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 | — | pbiholding-dk0i.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.67 |
| 🔶 Autoconfig | pbi-holding.com → 185.21.41.186 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (pbi-holding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.pbi-holding.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;pct=100; |
| www CNAME | pbi-holding.com (all on pbi-holding.com) → 185.21.41.186 (AS48854) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-pbiholding-dk0i._domainkey.pbiholding.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-pbiholding-dk0i._domainkey.pbiholding.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021111701 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-02-16 |
| Expires | 2027-02-28 (127d) |
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).
| Domain | Registrar |
|---|---|
| kaerup.dk | Punktum dk A/S (direct) |
| kærup-erhvervspark.dk | Punktum dk A/S (direct) |
| kærup.dk | Punktum dk A/S (direct) |
| kæruperhvervspark.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 11:54:52 | 454ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-04 08:55:39 | 979ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 13:20:11 | 673ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-16 20:16:34 | 620ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 15:46:01 | 1079ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-19 17:44:18 | 1913ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 02:20:23 shown | 2692ms | 2 NS 0 A 1 MX | 🔒 Secure |