strunov.dk DNS records

🖥️ Nameservers2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
cruz.ns.cloudflare.com	108.162.192.88 172.64.32.88 173.245.58.88 2606:4700:50::adf5:3a58 2803:f800:50::6ca2:c058 2a06:98c1:50::ac40:2058	cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dilbert.ns.cloudflare.com	108.162.193.155 172.64.33.155 173.245.59.155 2606:4700:58::adf5:3b9b 2803:f800:50::6ca2:c19b 2a06:98c1:50::ac40:219b	dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.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 40ms

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 188ms

TXT Record
protonmail-verification=410e090a20bfae93fd28af5e8364cdfb222ab496
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.strunov.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 52ms

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

🔐 DNSSEC72ms

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	2412845827
Primary NS (MNAME)	cruz.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

56ms

A

47ms

MX

40ms

AAAA

44ms

TXT

188ms

CAA

44ms

HTTPS

43ms

TLSA

52ms

SOA

0ms

MTA-STS

70ms

DNSSEC

72ms

SRV

70ms

Total

580ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:12:47	580ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-22 18:35:59	4945ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-19 15:52:39	1950ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-06 09:51:39	1277ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-23 19:33:28	2082ms	2 NS 0 A 7 MX	🔓 Insecure	View
2026-06-28 16:56:29	7412ms	2 NS 0 A 7 MX	🔓 Insecure	View
2026-06-24 11:35:35	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 09:19:35	1001ms	2 NS 0 A 7 MX	❓ Unknown	View
2026-06-21 08:07:27	1459ms	2 NS 0 A 7 MX	🔓 Insecure	View
2026-06-20 01:02:19	2247ms	2 NS 0 A 7 MX	🔓 Insecure	View
2026-06-17 21:48:43	962ms	2 NS 0 A 7 MX	🔓 Insecure	View