sindnet.dk DNS records

🖥️ Nameservers2 records 29ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
65.21.201.194	600s	server.hostzera.com	AS24940	Hetzner Online GmbH	65.21.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records2 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	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	600s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	65.21.201.194
🔶 Autoconfig	65.21.201.194

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 169ms

TXT Record
protonmail-verification=74b8d2121a567eca7ffd63bcb36e38f1b6368bf0
v=spf1 include:_spf.protonmail.ch mx ip4:62.138.8.225 ~all

✉️ SPF

Policy	Record (sindnet.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ip4:62.138.8.225 ~all

📨 DMARC

Policy	Record (_dmarc.sindnet.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.sindnet.dk	IPjHPKekOr2Zsh4R5EHDJr6B-MB2FrOMiteajtMKrpw

🔗 TLSA / DANE4 records 273ms

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…

🔐 DNSSEC2044ms

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

🏷️ SOA23ms

Field	Value
Serial	2026032801
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

29ms

A

29ms

MX

30ms

AAAA

29ms

TXT

169ms

CAA

29ms

HTTPS

30ms

TLSA

273ms

SOA

23ms

MTA-STS

45ms

DNSSEC

2044ms

SRV

46ms

Total

6975ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 21:26:18	6975ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 21:26:52	1912ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 08:06:27	3511ms	2 NS 1 A 2 MX	🔒 Secure	View