jancw.dk

📜 Historical scan 2026-09-08 01:43:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jancw.dk is a .dk domain served by 2 nameservers (georgia.ns.cloudflare.com, jihoon.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.42 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 132ms

Nameserver	IP addresses	PTR	ASN / ISP
georgia.ns.cloudflare.com	108.162.194.48 162.159.38.48 172.64.34.48 2606:4700:50::a29f:2630 2803:f800:50::6ca2:c230 2a06:98c1:50::ac40:2230	georgia.ns.cloudflare.com georgia.ns.cloudflare.com georgia.ns.cloudflare.com georgia.ns.cloudflare.com georgia.ns.cloudflare.com georgia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jihoon.ns.cloudflare.com	108.162.195.233 162.159.44.233 172.64.35.233 2606:4700:58::a29f:2ce9 2803:f800:50::6ca2:c3e9 2a06:98c1:50::ac40:23e9	jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.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 113ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.42	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.220.253	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:dcfd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:112a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 105ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.42,172.67.220.253 ech=AEX+DQBBQQAgACCUFTCcLOA5Th3A/vvFwwD7SSzM/qeVneMXxUXKfJBCeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:dcfd,2606:4700:3037::6815:112a

📝 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 07:55:37

www	104.21.17.42 172.67.220.253 2606:4700:3034::ac43:dcfd 2606:4700:3037::6815:112a (AS13335) (address records, no CNAME)
www vs bare domain	Same network jancw.dk: 104.21.17.42 172.67.220.253 2606:4700:3034::ac43:dcfd 2606:4700:3037::6815:112a (AS13335) www.jancw.dk: 104.21.17.42 172.67.220.253 2606:4700:3034::ac43:dcfd 2606:4700:3037::6815:112a (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

166ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413871969
Primary NS (MNAME)	georgia.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#

132ms

113ms

AAAA

124ms

TXT

261ms

CAA

102ms

HTTPS

105ms

TLSA

543ms

SOA

0ms

MTA-STS

136ms

DNSSEC

166ms

SRV

137ms

Total

2038ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:03:14	514ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 18:54:26	9448ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-08 01:43:51 shown	2038ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 23:54:15	489ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 03:35:35	567ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 19:04:06	1203ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 14:38:58	1388ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 06:14:12	1038ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 16:01:46	2084ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-21 18:41:40	2272ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 21:08:41	1280ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 18:50:01	966ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 11:17:47	2567ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-18 20:02:21	3069ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:11:46	803ms	4 NS 1 A 1 MX	🔓 Insecure