cemtrick.dk is a .dk domain served by 2 nameservers (leif.ns.cloudflare.com, lucy.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.144 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.emailsrvr.com, mx2.emailsrvr.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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.144 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.162.131 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.emailsrvr.com | 108.166.43.1 | mx1.emailsrvr.com | AS19994 Rackspace Hosting |
| 20 | 300s | mx2.emailsrvr.com | 173.203.187.2 | mx2.emailsrvr.com | AS27357 Rackspace Hosting |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.42.144 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:a283 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:2a90 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.144,172.67.162.131 ech=AEX+DQBBfwAgACA47+Qu+1wObnqFo6Z96p4veA7nvt21jpauabCzfKdMLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a283,2606:4700:3033::6815:2a90 |
| TXT Record |
|---|
| klaviyo-site-verification=RSFnVb |
| v=spf1 include:_spf.elasticemail.com include:emailsrvr.com ~all |
| Policy | Record (cemtrick.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.elasticemail.com include:emailsrvr.com ~all |
| Policy | Record (_dmarc.cemtrick.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 188.114.96.1 188.114.97.1 2606:4700:3031::ac43:a283 2606:4700:3033::6815:2a90 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network cemtrick.dk: 104.21.42.144 172.67.162.131 2606:4700:3031::ac43:a283 2606:4700:3033::6815:2a90 (AS13335) www.cemtrick.dk: 188.114.96.1 188.114.97.1 2606:4700:3031::ac43:a283 2606:4700:3033::6815:2a90 (AS13335) |
| Wildcard | No |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2412754573 |
| Primary NS (MNAME) | leif.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 18:33:19 | 1047ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 05:19:54 | 2294ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-12 18:48:00 | 5795ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 20:43:38 shown | 707ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-21 03:24:17 | 1323ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-22 04:46:58 | 1593ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-01 20:45:38 | 19443ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 00:49:43 | 3485ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:47:06 | 29083ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:16:42 | 1716ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:02:14 | 651ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:01:30 | 738ms | 2 NS 2 A 2 MX | 🔓 Insecure |