thinktank.dk

📜 Historical scan 2026-06-20 14:21:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thinktank.dk is a .dk domain served by 2 nameservers (kanye.ns.cloudflare.com, lady.ns.cloudflare.com). It was registered on 21 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.67 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by thinktank-dk.mail.protection.outlook.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.

🖥️ Nameservers#

2 records 242ms

Nameserver	IP addresses	PTR	ASN / ISP
kanye.ns.cloudflare.com	108.162.193.189 172.64.33.189 173.245.59.189 2606:4700:58::adf5:3bbd 2803:f800:50::6ca2:c1bd 2a06:98c1:50::ac40:21bd	kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 238ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.52.67	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	thinktank-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.16 52.101.68.18 52.101.73.11	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.98.16.35

🔷 AAAA Records (IPv6)#

2 records 258ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3443	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:c453	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 216ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.67,172.67.196.83 ech=AEX+DQBB3gAgACC/JW52rX0qZ7HM8F0xex53xT7D0p0titeGMvPLGtLuLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3443,2606:4700:3031::ac43:c453

📝 TXT Records#

2 records 301ms

TXT Record
MS=ms91046358
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (thinktank.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.thinktank.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:25bc05662bf147a0951983a9b5968310@dmarc-reports.cloudflare.net

📬 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 2026-10-16 22:08:53

www	104.21.52.67 172.67.196.83 2606:4700:3032::6815:3443 2606:4700:3033::ac43:c453 (AS13335) (address records, no CNAME)
www vs bare domain	Same network thinktank.dk: 104.21.52.67 172.67.196.83 2606:4700:3032::6815:3443 2606:4700:3033::ac43:c453 (AS13335) www.thinktank.dk: 104.21.52.67 172.67.196.83 2606:4700:3032::6815:3443 2606:4700:3033::ac43:c453 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

335ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2407398303
Primary NS (MNAME)	kanye.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 08:15:41

Field	Value
Registrar	Simply.com A/S
Registered	2013-03-21
Expires	2030-03-31 (1256d)

📋 WHOIS#

⏱️ Lookup Timing#

242ms

238ms

91ms

AAAA

258ms

TXT

301ms

CAA

57ms

HTTPS

216ms

TLSA

213ms

SOA

0ms

MTA-STS

94ms

DNSSEC

335ms

SRV

119ms

Total

1210ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 22:08:53	2710ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 16:52:23	1470ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 01:05:05	3639ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 19:22:11	3258ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 13:29:28	1374ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 03:39:25	2325ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 23:52:23	823ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 21:32:30	1531ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 20:27:36	1568ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 02:45:10	1905ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-06 05:02:30	2056ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-15 16:56:13	1611ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-10 16:48:40	1434ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 20:00:39	3266ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 00:13:09	2471ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 19:08:07	994ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 01:08:20	1163ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 14:21:41 shown	1210ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 14:02:29	4452ms	2 NS 2 A 1 MX	🔒 Secure