dtdc.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 already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.248.192.126 is hosted by Amazon.com, Inc. (AS16509) in Ireland. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 34.248.192.126 | 60s | fwd.superstruct.digital | AS16509 | Amazon.com, Inc. | 34.240.0.0/12 | 🇮🇪 Ireland | Dublin |
| 52.213.59.21 | 60s | fwd.superstruct.digital | AS16509 | Amazon.com, Inc. | 52.208.0.0/13 | 🇮🇪 Ireland | Dublin |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a05:d018:1657:2e01::f3d | 60s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇮🇪 Ireland | Dublin |
| 2a05:d018:1657:2e02::f3d | 60s | — | AS16509 | Amazon.com, Inc. | 2a05:d000:0:0:0:0:0:0/25 | 🇮🇪 Ireland | Dublin |
| TXT Record |
|---|
| v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all |
| Policy | Record (dtdc.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all |
| Policy | Record (_dmarc.dtdc.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:b5677ae8051a40fd80a6665b6d4140a6@dmarc-reports.cloudflare.net |
| www CNAME | dtdgroup.dk (all on dtdgroup.dk) |
| www vs bare domain | Different networks dtdc.dk: 34.248.192.126 52.213.59.21 2a05:d018:1657:2e01::f3d 2a05:d018:1657:2e02::f3d (AS16509) (all like this)www.dtdc.dk: 141.193.213.10 141.193.213.11 (AS209242) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-22 05:14:35 shown | 9605ms | 4 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 00:26:35 | 996ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 18:09:29 | 784ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 03:24:44 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:35:49 | 2064ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 22:10:42 | 431ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 04:50:53 | 345ms | 2 NS 2 A 0 MX | 🔓 Insecure |