tacit.dk is a .dk domain served by 2 nameservers (laila.ns.cloudflare.com, terry.ns.cloudflare.com). It was registered on 5 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.201 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.91.201 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.179.54 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:b336 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:5bc9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.201,172.67.179.54 ech=AEX+DQBB7gAgACA6YMxq103qlP+thN+qM2g13r2RFDyslXXeh2G65GGceAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b336,2606:4700:3035::6815:5bc9 |
| TXT Record |
|---|
| google-site-verification=5ZrT_uiBMZwVjASCPtNbZsNQfctQBQ5ehMvaqzJ6slU |
| protonmail-verification=67884154b5f67248bea137848b80f2e1d40c17bd |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (tacit.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.tacit.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 104.21.91.201 172.67.179.54 2606:4700:3033::6815:5bc9 2606:4700:3034::ac43:b336 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'tacit.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2404943451 |
| Primary NS (MNAME) | laila.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-10-05 |
| Expires | 2026-10-31 (13d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 17:31:00 | 2313ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-04 17:27:27 | 1701ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 16:15:31 | 763ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-09 14:19:06 | 1522ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 05:38:14 | 996ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 05:31:01 | 925ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-01 17:50:47 | 1310ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-20 22:59:57 | 1652ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-09 05:24:42 | 1670ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-30 09:54:58 | 877ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 18:16:38 | 897ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-22 00:40:22 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 20:48:44 shown | 2894ms | 2 NS 2 A 2 MX | ⚠️ Bogus |
| 2026-06-17 22:29:48 | 1178ms | 2 NS 2 A 2 MX | 🔓 Insecure |