criticalsuccess.dk DNS records

🖥️ Nameservers3 records 205ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 254ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.125.27.189	3600s	h2web484.infomaniak.ch	AS29222	Infomaniak Network SA	185.125.24.0/22	🇨🇭 Switzerland	—

📧 MX Records2 records 225ms

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)1 records 233ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:1600:0:aaaa::80:63	3600s	—	AS29222	Infomaniak Network SA	2001:1600:0:0:0:0:0:0/32	🇨🇭 Switzerland	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 557ms

TXT Record
brevo-code:350a7773c1fa030b76150fde781a1b92
protonmail-verification=649cccfbdd65130cf46a5910184de127076f8912
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.criticalsuccess.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 4095ms

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…

🔐 DNSSEC297ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA227ms

Field	Value
Serial	2026050600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

205ms

A

254ms

MX

225ms

AAAA

233ms

TXT

557ms

CAA

239ms

HTTPS

225ms

TLSA

4095ms

SOA

227ms

MTA-STS

213ms

DNSSEC

297ms

SRV

222ms

Total

6981ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 06:17:17	6981ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 09:27:18	756ms	3 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-21 06:16:53	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 22:55:36	775ms	3 NS 1 A 2 MX	🔒 Secure	View