ddup.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 18 January 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.210 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by ddup-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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.bdm.microsoftonline.com | — | — | — |
| ns2.bdm.microsoftonline.com | — | — | — |
| ns3.bdm.microsoftonline.com | — | — | — |
| ns4.bdm.microsoftonline.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.116.232.210 | — | 210.giga-ptr.232.116.217.in-addr.arpa web10.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms97258954 |
| mscid=PuC7Oul080Aol1OsMBvrX4VvA1e+BVWz/p0USYTGrTShbwzApLlF5XTBd+mADrs2U3DhwKMtHbRJh7pHGOGKPA== |
| v=spf1 include:spf.protection.outlook.com include:_spf.scanmailx.com -all |
| Policy | Record (ddup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.scanmailx.com -all |
| www | 217.116.232.210 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-01-18 |
| Expires | 2027-01-31 (102d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-07-02 01:33:37 | 1734ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 01:30:16 shown | 2362ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 01:20:48 | 1132ms | 4 NS 1 A 1 MX | 🔓 Insecure |