sensor.dk DNS records

🖥️ Nameservers2 records 126ms

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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.47.113.237	14400s	vps01.nellemann.biz	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	mail.sensor.dk	195.201.228.25	mail.sensor.dk	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.sensor.dk → 195.201.228.25
🔶 Autoconfig	mail.sensor.dk → 195.201.228.25

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 165ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mail.sensor.dk

📝 TXT Records1 records 349ms

TXT Record
v=spf1 mx -all

✉️ SPF

Policy	Record (sensor.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.sensor.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:postmaster@sensor.dk

📬 MTA-STS385ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	11073892509044718394
max_age	604800s
Policy MX	mail.sensor.dk

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:postmaster@sensor.dk

📜 CAA Records3 records 145ms

Flags	Tag	Value
0	iodef	mailto:postmaster@sensor.dk
0	issue	letsencrypt.org
0	issue	letsencrypt.org;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/3452143386

🔗 TLSA / DANE4 records 145ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.sensor.dk	DANE-TA · SPKI · SHA-256	B0292AE545978E0FBB98ABBD94C86160…
SMTP _25._tcp.mail.sensor.dk	DANE-TA · SPKI · SHA-256	762195C225586EE6C0237456E2107DC5…
SMTP _25._tcp.mail.sensor.dk	DANE-TA · SPKI · SHA-256	B3FB5D00E994CDDF2CC9A4EEA9F806BC…
SMTP _25._tcp.mail.sensor.dk	DANE-EE · SPKI · SHA-256	84592F9F75065C78AA8FBE349453E6B2…

🔐 DNSSEC329ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	root@sensor.dk
Refresh	7200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	180s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

126ms

A

94ms

MX

120ms

AAAA

100ms

TXT

349ms

CAA

145ms

HTTPS

123ms

TLSA

145ms

SOA

0ms

MTA-STS

385ms

DNSSEC

329ms

SRV

165ms

Total

1688ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 22:16:41	1688ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 14:46:05	8718ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 06:37:28	3706ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 14:20:18	13658ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-22 10:22:45	819ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 19:37:43	1972ms	2 NS 1 A 1 MX	🔓 Insecure	View