casperj.dk DNS records

🖥️ Nameservers2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
rommy.ns.cloudflare.com	—	—	—
saanvi.ns.cloudflare.com	—	—	—

🌍 A Records2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.42.102	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.247	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	—	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 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:ccf7	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3036::6815:2a66	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.42.102,172.67.204.247 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:ccf7,2606:4700:3036::6815:2a66

📝 TXT Records5 records 133ms

TXT Record
apple-domain=x8PY2sIicoIokddA
pm-verification=xwpvavewnxmiorbrismklienlvyeqy
protonmail-verification=3923f3b02f17020aa2a2b6e7d26398251d32726a
spf2.0/pra
v=spf1 include:_spf.protonmail.ch include:icloud.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.casperj.dk)
p=reject	v=DMARC1; p=reject;

📬 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 100ms

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…

🔐 DNSSEC129ms

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

🏷️ SOA27ms

Field	Value
Serial	2407097692
Primary NS (MNAME)	rommy.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

35ms

A

40ms

MX

40ms

AAAA

36ms

TXT

133ms

CAA

48ms

HTTPS

37ms

TLSA

100ms

SOA

27ms

MTA-STS

60ms

DNSSEC

129ms

SRV

0ms

Total

735ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:36:41	1326ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-29 08:09:27	2517ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-24 14:16:55	10486ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-18 23:29:40	6465ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-10 01:45:39	1591ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-30 21:20:44	984ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-27 16:33:21	900ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 09:10:10	1168ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-19 18:46:56	990ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 19:47:07	550ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-16 19:40:13	735ms	2 NS 2 A 2 MX	🔓 Insecure	View