codefighter.dk DNS records

🖥️ Nameservers2 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
connie.ns.cloudflare.com	108.162.192.247 172.64.32.247 173.245.58.247 2606:4700:50::adf5:3af7 2803:f800:50::6ca2:c0f7 2a06:98c1:50::ac40:20f7	connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vin.ns.cloudflare.com	108.162.193.245 172.64.33.245 173.245.59.245 2606:4700:58::adf5:3bf5 2803:f800:50::6ca2:c1f5 2a06:98c1:50::ac40:21f5	vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com vin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 75ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 269ms

TXT Record
protonmail-verification=fa4c39ea627d83d335c5b80387bac7900f9518d9
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.codefighter.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.codefighter.dk	0G7qqPVJKm_ztuno4gwancln-yW0Os_yMBtZzDehRus
TXT	_acme-challenge.codefighter.dk	y99xT-pdes6lQM7uAGFSRaKk053uS64_Ubb4qYGSiIc

🔗 TLSA / DANE4 records 119ms

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

🔐 DNSSEC206ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412701088
Primary NS (MNAME)	connie.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

67ms

A

63ms

MX

75ms

AAAA

73ms

TXT

269ms

CAA

64ms

HTTPS

76ms

TLSA

119ms

SOA

0ms

MTA-STS

123ms

DNSSEC

206ms

SRV

159ms

Total

2013ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:49:20	838ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-23 09:52:01	2253ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-21 08:39:23	2013ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-11 02:49:57	2033ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-29 23:26:20	940ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-23 09:46:10	1341ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 04:56:25	1234ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-19 06:28:36	982ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-16 21:51:47	482ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-16 21:41:29	698ms	2 NS 0 A 2 MX	🔓 Insecure	View