dtdg.dk is a .dk domain served by 4 nameservers (ns1.dtd.sse-ns.com, ns2.dtd.sse-ns.com, ns3.dtd.sse-ns.com and 1 more). It was registered on 6 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.119 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by dtdg-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=JPyQek4MLLlth88rjC4bKcljxrutX4dciMEP8DSRAuc |
| MS=ms25749960 |
| MS=ms39137216 |
| v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com -all |
| Policy | Record (dtdg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dtdg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:7eceaf350ab14f0d875b1dcc76708b16@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dtdg-dk._domainkey.dtdgroupdk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-dtdg-dk._domainkey.dtdgroupdk.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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.dtd.sse-ns.com |
| Responsible (RNAME) | domains@superstruct.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-09-06 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-09-26 21:07:34 shown | 9773ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-26 01:04:40 | 18065ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-22 04:49:38 | 2385ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-06 23:57:49 | 2532ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:34:57 | 1736ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 06:58:34 | 7219ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 02:58:22 | 1205ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 19:46:01 | 1602ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 00:18:04 | 1217ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:50:12 | 1893ms | 2 NS 2 A 1 MX | 🔓 Insecure |