tidr.dk is a .dk domain served by 2 nameservers (adel.ns.cloudflare.com, edward.ns.cloudflare.com). It first appeared in the .dk zone on 4 July 2026. Its website address 104.21.90.194 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.90.194 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.160.57 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.160.57 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:a039 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:5ac2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.90.194,172.67.160.57 ech=AEX+DQBBNAAgACDDE7vvsEGiLkfEtCjzs2dGyJs627jcF/KPm3RoWE9SLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a039,2606:4700:3037::6815:5ac2 |
| TXT Record |
|---|
| google-site-verification=yQp8TE7ENedAMkCXMaq1dHM4FQh-iGvtMXkQVTy15pk |
| v=spf1 include:spf.simply.com -all |
| Policy | Record (tidr.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.tidr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 167.233.114.246 (AS24940) (address records, no CNAME) |
| www vs bare domain | Different networks tidr.dk: 104.21.90.194 172.67.160.57 2606:4700:3035::ac43:a039 2606:4700:3037::6815:5ac2 (AS13335) (all like this)www.tidr.dk: 167.233.114.246 (AS24940) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.tidr.dk | verify-3nulxgac.ssl.on-forge.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2413854228 |
| Primary NS (MNAME) | adel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 09:08:34 | 502ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:09:36 shown | 600ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:39:51 | 546ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 16:03:53 | 587ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:41:16 | 732ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-06 01:37:05 | 1763ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 08:34:37 | 3879ms | 2 NS 2 A 1 MX | 🔓 Insecure |