thinktank.dk

📜 Historical scan 2026-09-23 01:05:05 · ← 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 not DNSSEC-signed, 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 52ms

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 74ms

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 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	thinktank-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::d 2a01:111:f403:ca3c::6 2a01:111:f403:ca48::12 52.101.103.137 52.101.185.24 52.101.68.29 52.101.73.126	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3443	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c453	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.52.67,172.67.196.83 ech=AEX+DQBBhAAgACBw9e3QYYUjXddRXh+U3DzOZJHpMhWDNyRFLRnyawn+ZgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3443,2606:4700:3033::ac43:c453

📝 TXT Records#

2 records 238ms

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#

171ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415397848
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 2026-10-22 12:53:03

Field	Value
Registrar	Simply.com A/S
Registered	2013-03-21
Expires	2030-03-31 (1255d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
thinkability.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

52ms

74ms

70ms

AAAA

53ms

TXT

238ms

CAA

70ms

HTTPS

55ms

TLSA

475ms

SOA

0ms

MTA-STS

88ms

DNSSEC

171ms

SRV

89ms

Total

3639ms

🕐 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 shown	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	1210ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 14:02:29	4452ms	2 NS 2 A 1 MX	🔒 Secure