x4.dk DNS records

🖥️ Nameservers2 records 423ms

Nameserver	IP addresses	PTR	ASN / ISP
garrett.ns.cloudflare.com	108.162.195.195 162.159.44.195 172.64.35.195 2606:4700:58::a29f:2cc3 2803:f800:50::6ca2:c3c3 2a06:98c1:50::ac40:23c3	garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com garrett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 378ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.61.112.50	300s	—	AS3292	TDC Holding A/S	87.61.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 337ms

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 722ms

TXT Record
protonmail-verification=b4b4fc49c2a0d1fd3e86c271381216f002dcb87b
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (x4.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.x4.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 254ms

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…

🔐 DNSSEC586ms

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	2412383697
Primary NS (MNAME)	garrett.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

423ms

A

378ms

MX

337ms

AAAA

366ms

TXT

722ms

CAA

372ms

HTTPS

414ms

TLSA

254ms

SOA

0ms

MTA-STS

481ms

DNSSEC

586ms

SRV

453ms

Total

3714ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 09:11:58	3714ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-28 15:40:38	1379ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-22 00:26:28	630ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 00:23:27	2897ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 13:53:15	2546ms	2 NS 1 A 2 MX	🔓 Insecure	View