itpu.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
bonnie.ns.cloudflare.com	108.162.192.76 172.64.32.76 173.245.58.76 2606:4700:50::adf5:3a4c 2803:f800:50::6ca2:c04c 2a06:98c1:50::ac40:204c	bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leo.ns.cloudflare.com	108.162.195.241 162.159.44.241 172.64.35.241 2606:4700:58::a29f:2cf1 2803:f800:50::6ca2:c3f1 2a06:98c1:50::ac40:23f1	leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.ns.cloudflare.com leo.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 37ms

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 134ms

TXT Record
protonmail-verification=5a719d4112130c7bb87922f57d4a9697440ce65c
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.itpu.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 131ms

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…

🔐 DNSSEC104ms

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	2408300652
Primary NS (MNAME)	bonnie.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

32ms

A

36ms

MX

37ms

AAAA

35ms

TXT

134ms

CAA

38ms

HTTPS

35ms

TLSA

131ms

SOA

0ms

MTA-STS

57ms

DNSSEC

104ms

SRV

71ms

Total

1380ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 02:34:16	1044ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-20 08:22:11	14682ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-19 06:04:37	8504ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-03 12:47:32	1380ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-26 15:21:36	2711ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-22 00:16:29	9758ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-21 21:50:11	1127ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:01:51	958ms	2 NS 0 A 2 MX	❓ Unknown	View