dook.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 4 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.17.15.101 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dook-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 104.17.15.101 | 7198s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| google-site-verification=2tSzHlUa1RUrR-RyB66mX07oCk2cK9NvMFFZSN82jt8 |
| MS=ms46844810 |
| v=spf1 a mx include:_spf.serverpark.dk include:spf.protection.outlook.com -all |
| Policy | Record (dook.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.serverpark.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dook.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.17.15.101 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dook-dk._domainkey.dookdk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-dook-dk._domainkey.dookdk.onmicrosoft.com | RSA · ~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: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.dook.dk | dook.dk.ffb7310192aab5b6.dcv.cloudflare.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024090401 |
| Primary NS (MNAME) | ns4.dns-123.net |
| Responsible (RNAME) | admin@dns-123.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | INTERNET 123 ApS |
| Registered | 2024-09-04 |
| Expires | 2027-09-03 (319d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 17:04:09 | 1362ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:33:03 | 1850ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 23:30:46 | 1220ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 23:30:22 shown | 3195ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 02:55:30 | 1269ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 04:15:58 | 654ms | 3 NS 1 A 1 MX | 🔒 Secure |