thinkchina.dk

📜 Historical scan 2026-06-18 06:17:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thinkchina.dk is a .dk domain served by 2 nameservers (jill.ns.cloudflare.com, logan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by thinkchina.dk.mx.one.com. The zone is DNSSEC-signed but currently fails validation, has no 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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
jill.ns.cloudflare.com	108.162.192.122 172.64.32.122 173.245.58.122 2606:4700:50::adf5:3a7a 2803:f800:50::6ca2:c07a 2a06:98c1:50::ac40:207a	jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
logan.ns.cloudflare.com	108.162.193.198 172.64.33.198 173.245.59.198 2606:4700:58::adf5:3bc6 2803:f800:50::6ca2:c1c6 2a06:98c1:50::ac40:21c6	logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.ns.cloudflare.com logan.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.158	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.1	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	thinkchina.dk.mx.one.com	—	—	—

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:69e	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:8701	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.158,172.67.135.1 ech=AEX+DQBBvgAgACBJni85WGHe97uPSIHOOQhUxAzLI4MySMevNjtzivHyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:69e,2606:4700:3032::ac43:8701

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 02:20:10

www	104.21.6.158 172.67.135.1 2606:4700:3030::ac43:8701 2606:4700:3037::6815:69e (AS13335) (address records, no CNAME)
www vs bare domain	Same network thinkchina.dk: 104.21.6.158 172.67.135.1 2606:4700:3030::ac43:8701 2606:4700:3037::6815:69e (AS13335) www.thinkchina.dk: 104.21.6.158 172.67.135.1 2606:4700:3030::ac43:8701 2606:4700:3037::6815:69e (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

97ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'thinkchina.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

28ms

Field	Value
Serial	2406280417
Primary NS (MNAME)	jill.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

25ms

38ms

29ms

AAAA

32ms

TXT

201ms

CAA

23ms

HTTPS

29ms

TLSA

85ms

SOA

28ms

MTA-STS

95ms

DNSSEC

97ms

SRV

192ms

Total

946ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 00:52:19	444ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 00:36:34	592ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 18:23:54	765ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 20:36:10	1745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 00:38:17	9810ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 01:21:28	9798ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 20:55:43	2154ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 19:25:10	2443ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 07:20:28	983ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 10:37:05	1111ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 16:38:19	1545ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:17:33 shown	946ms	2 NS 2 A 1 MX	⚠️ Bogus