ouster.dk DNS records

🖥️ Nameservers3 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.domainoffensive.de	192.174.68.21 2001:67c:1bc::21	ns1.mainns.de ns1.mainns.de	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.domainoffensive.eu	176.97.158.21 2001:67c:10b8::21	ns2.mainns.eu ns2.mainns.eu	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.domainoffensive.net	192.174.68.20 2001:67c:1bc::20	ns3.mainns.net ns3.mainns.net	AS1921 ipcom GmbH AS1921 ipcom GmbH

🌍 A Records2 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.202.9.166	86400s	cs1.web-redirect.eu	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Falkenstein
116.203.213.72	86400s	cs2.web-redirect.eu	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx01.mail-redirect.de	2a01:4f8:1c17:52e9::1 88.99.82.73	mx01.mail-redirect.de mx01.mail-redirect.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
10	86400s	mx02.mail-redirect.eu	159.69.107.183 2a01:4f8:c2c:9ff::1	mx02.mail-redirect.eu mx02.mail-redirect.eu	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	116.203.213.72
🔶 Autoconfig	116.203.213.72

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c010:3f9c::1	86400s	cs1.web-redirect.eu	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein
2a01:4f8:c2c:abf5::1	86400s	cs2.web-redirect.eu	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 264ms

TXT Record
v=spf1 mx mx:mx01.mail-redirect.de mx:mx02.mail-redirect.eu ~all

✉️ SPF

Policy	Record (ouster.dk)
~all (soft fail)	v=spf1 mx mx:mx01.mail-redirect.de mx:mx02.mail-redirect.eu ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 / DANE2 records 137ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx01.mail-redirect.de	DANE-EE · SPKI · SHA-256	BBA35B39E66666AA437CE368B6960F49…
SMTP _25._tcp.mx02.mail-redirect.eu	DANE-EE · SPKI · SHA-256	BBA35B39E66666AA437CE368B6960F49…

🔐 DNSSEC100ms

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	1784644091
Primary NS (MNAME)	ns1.domainoffensive.de
Responsible (RNAME)	info@domains.resellerinterface.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

66ms

MX

52ms

AAAA

46ms

TXT

264ms

CAA

54ms

HTTPS

64ms

TLSA

137ms

SOA

0ms

MTA-STS

101ms

DNSSEC

100ms

SRV

112ms

Total

1100ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:06:06	1100ms	3 NS 2 A 2 MX	🔓 Insecure	View
2026-08-25 11:29:31	745ms	3 NS 2 A 2 MX	🔓 Insecure	View
2026-07-22 22:36:53	9160ms	3 NS 2 A 2 MX	❓ Unknown	View
2026-06-27 06:22:50	1426ms	3 NS 2 A 2 MX	🔓 Insecure	View
2026-06-20 05:14:57	1160ms	3 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 11:31:21	1061ms	3 NS 2 A 2 MX	🔓 Insecure	View