cryptographic.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.228.25	600s	static.25.228.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mx2.simplelogin.co	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)1 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c012:b00b::1	600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 151ms

TXT Record
sl-verification=zojmtbyslkqdqikraysxsuweiynlcg
v=spf1 include:simplelogin.co ~all

✉️ SPF

Policy	Record (cryptographic.dk)
~all (soft fail)	v=spf1 include:simplelogin.co ~all

📨 DMARC

Policy	Record (_dmarc.cryptographic.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s

📬 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 / DANE6 records 182ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…
SMTP _25._tcp.mx1.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	E5545E211347241891C554A03934CDE9…
SMTP _25._tcp.mx2.simplelogin.co	DANE-EE · SPKI · SHA-256	6B56DC55058100C47BEF4BB8020D2A24…
SMTP _25._tcp.mx2.simplelogin.co	DANE-TA · SPKI · SHA-256	8D02536C887482BC34FF54E41D2BA659…

🔐 DNSSEC54ms

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

🏷️ SOA32ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

40ms

MX

32ms

AAAA

35ms

TXT

151ms

CAA

32ms

HTTPS

49ms

TLSA

182ms

SOA

32ms

MTA-STS

42ms

DNSSEC

54ms

SRV

38ms

Total

826ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:59:26	739ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 16:20:42	1180ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 12:14:08	1095ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-11 11:01:24	2947ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 23:18:18	826ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 20:58:33	5063ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 23:20:18	65535ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 23:08:40	2426ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 23:07:19	781ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 23:01:39	705ms	2 NS 1 A 2 MX	🔒 Secure	View