dook.dk

📜 Historical scan 2026-08-25 23:30:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.17.15.101	7200s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	7200s	dook-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 52.101.68.3 52.101.68.36 52.101.73.1 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 352ms

TXT Record
google-site-verification=2tSzHlUa1RUrR-RyB66mX07oCk2cK9NvMFFZSN82jt8
MS=ms46844810
v=spf1 a mx include:_spf.serverpark.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dook.dk)
-all (hard fail)	v=spf1 a mx include:_spf.serverpark.dk include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dook.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 06:15:06

www	104.17.15.101 (AS13335) (address records, no CNAME)
www vs bare domain	Same network dook.dk: 104.17.15.101 (AS13335) www.dook.dk: 104.17.15.101 (AS13335)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dook.dk	dook.dk.ffb7310192aab5b6.dcv.cloudflare.com

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

84ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

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

📋 Registration#

WHOIS fetched 2026-10-06 03:21:44

Field	Value
Registrar	INTERNET 123 ApS
Registered	2024-09-04
Expires	2027-09-03 (319d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

48ms

66ms

AAAA

75ms

TXT

352ms

CAA

81ms

HTTPS

85ms

TLSA

375ms

SOA

0ms

MTA-STS

92ms

DNSSEC

84ms

SRV

94ms

Total

1220ms

🕐 Scan History#

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 shown	1220ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 23:30:22	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