dtdrental.dk is a .dk domain served by 2 nameservers (ingrid.ns.cloudflare.com, rodney.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.149 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.downthedrain.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.76.149 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.196.64 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.downthedrain.dk | 104.21.4.101 172.67.153.252 2606:4700:3033::6815:465 2606:4700:3037::ac43:99fc |
— — — — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:4c95 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3030::ac43:c440 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.149,172.67.196.64 ech=AEX+DQBBrwAgACC0BaqYsgnthcwP8njJ3mJSUhTMN0KIqKyLVC4Z19MHCwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4c95,2606:4700:3030::ac43:c440 |
| TXT Record |
|---|
| v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all |
| Policy | Record (dtdrental.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all |
| Policy | Record (_dmarc.dtdrental.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:0064390e18ab4d04b2baf02f7b0d7c9b@dmarc-reports.cloudflare.net |
| www | 46.101.142.209 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406484382 |
| Primary NS (MNAME) | ingrid.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 01:46:51 | 669ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 05:11:05 | 1313ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 08:04:57 | 5924ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 07:59:31 | 1713ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-08 14:15:42 | 1049ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:37:10 shown | 817ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 18:47:01 | 931ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 00:31:48 | 590ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 21:16:49 | 1060ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 04:50:47 | 425ms | 2 NS 2 A 1 MX | 🔓 Insecure |