jkbb.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
fatima.ns.cloudflare.com	108.162.194.188 162.159.38.188 172.64.34.188 2606:4700:50::a29f:26bc 2803:f800:50::6ca2:c2bc 2a06:98c1:50::ac40:22bc	fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com fatima.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ridge.ns.cloudflare.com	108.162.195.139 162.159.44.139 172.64.35.139 2606:4700:58::a29f:2c8b 2803:f800:50::6ca2:c38b 2a06:98c1:50::ac40:238b	ridge.ns.cloudflare.com ridge.ns.cloudflare.com ridge.ns.cloudflare.com ridge.ns.cloudflare.com ridge.ns.cloudflare.com ridge.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.236	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:a980	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:36ec	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.236,172.67.169.128 ech=AEX+DQBB4AAgACBLs2r44mwcbvmFSCMiP0VxiPPGCVJ2P5jM3ilMv2ExZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:a980,2606:4700:3037::6815:36ec

📝 TXT Records2 records 229ms

TXT Record
protonmail-verification=2a9f6d9c538da686ecd7ccae8919d93b163e7b79
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (jkbb.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.jkbb.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 99ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC97ms

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	2413605272
Primary NS (MNAME)	fatima.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

50ms

A

67ms

MX

45ms

AAAA

72ms

TXT

229ms

CAA

57ms

HTTPS

67ms

TLSA

99ms

SOA

0ms

MTA-STS

96ms

DNSSEC

97ms

SRV

84ms

Total

831ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 17:54:27	831ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-24 10:49:57	2589ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-05 04:56:22	2336ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-29 16:39:05	1271ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-28 08:50:26	879ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 14:22:31	2949ms	2 NS 2 A 2 MX	🔓 Insecure	View