casperj.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
rommy.ns.cloudflare.com	108.162.195.20 162.159.44.20 172.64.35.20 2606:4700:58::a29f:2c14 2803:f800:50::6ca2:c314 2a06:98c1:50::ac40:2314	rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com rommy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
saanvi.ns.cloudflare.com	108.162.194.80 162.159.38.80 172.64.34.80 2606:4700:50::a29f:2650 2803:f800:50::6ca2:c250 2a06:98c1:50::ac40:2250	saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com saanvi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.42.102	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.204.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2a66	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ccf7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.42.102,172.67.204.247 ech=AEX+DQBBWQAgACAs3d9bkcyi5VXq5U3S0CM4pGNItk+uvHTwIMOb/r4sLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2a66,2606:4700:3033::ac43:ccf7

📝 TXT Records5 records 197ms

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 95ms

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	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC81ms

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	2413428238
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

38ms

A

65ms

MX

48ms

AAAA

46ms

TXT

197ms

CAA

54ms

HTTPS

57ms

TLSA

95ms

SOA

0ms

MTA-STS

67ms

DNSSEC

81ms

SRV

68ms

Total

1326ms

🕐 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