jc-organization.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
leah.ns.cloudflare.com	108.162.192.129 172.64.32.129 173.245.58.129 2606:4700:50::adf5:3a81 2803:f800:50::6ca2:c081 2a06:98c1:50::ac40:2081	leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com leah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tim.ns.cloudflare.com	108.162.193.145 172.64.33.145 173.245.59.145 2606:4700:58::adf5:3b91 2803:f800:50::6ca2:c191 2a06:98c1:50::ac40:2191	tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com tim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.100	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.191.137
🔶 Autoconfig	104.21.92.100

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5c64	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bf89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.100,172.67.191.137 ech=AEX+DQBBiwAgACCoYEswi766snEM1Gp0ayYPqu2x9pZMVUAdRnjU1YoPeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5c64,2606:4700:3037::ac43:bf89

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2410603972
Primary NS (MNAME)	leah.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

51ms

MX

57ms

AAAA

46ms

TXT

216ms

CAA

52ms

HTTPS

48ms

TLSA

65ms

SOA

0ms

MTA-STS

59ms

DNSSEC

99ms

SRV

86ms

Total

594ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 22:45:06	594ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-27 17:14:15	1091ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-20 23:58:09	1447ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 12:20:35	913ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 00:41:41	565ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 14:45:01	1350ms	2 NS 2 A 0 MX	🔓 Insecure	View