tak.dk is a .dk domain served by 2 nameservers (fred.ns.cloudflare.com, kristin.ns.cloudflare.com). It was registered on 27 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.78.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.78.12 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.214.110 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | eu-esec-01.heimdalsecurity.com | 20.50.183.144 20.50.183.146 |
— eu-esec-01.heimdalsecurity.com |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| 20 | 300s | eu-esec-02.heimdalsecurity.com | 20.50.183.144 20.50.183.146 |
— eu-esec-01.heimdalsecurity.com |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:4e0c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:d66e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.78.12,172.67.214.110 ech=AEX+DQBBaAAgACDTIPWy02TPt5Mhyp8PqZORHsNmxAAX/+p+F9sOcOykCQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4e0c,2606:4700:3037::ac43:d66e |
| TXT Record |
|---|
| canva-site-verification=yvP9mQXUkbo0mdAqBSrL5Q |
| MS=ms26063098 |
| v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all |
| Policy | Record (tak.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all |
| Policy | Record (_dmarc.tak.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www | 157.180.41.188 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2411618918 |
| Primary NS (MNAME) | fred.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 | 2002-08-27 |
| Expires | 2030-09-30 (1437d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:38:02 | 959ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-13 05:43:11 | 1424ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-11 13:47:26 | 10021ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-09 22:40:45 shown | 17377ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-07 14:53:04 | 1339ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-22 22:58:26 | 9167ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 06:42:05 | 3482ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 12:17:52 | 949ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 07:02:29 | 2308ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 20:51:38 | 1790ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 19:39:07 | 878ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 19:22:04 | 1004ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 08:07:39 | 1583ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 07:51:30 | 1630ms | 2 NS 1 A 2 MX | 🔒 Secure |