o7.dk DNS records

🖥️ Nameservers2 records 202ms

Nameserver	IP addresses	PTR	ASN / ISP
ns0.o7.dk	135.181.87.135 2a01:4f9:c012:dd04::1	xn--sb-lka.org xn--sb-lka.org	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns13.37.ax	2a01:4f9:c010:2697::1	tor2.xn--sb-lka.org	AS24940 Hetzner Online GmbH

🌍 A Records1 records 128ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.87.135	3600s	xn--sb-lka.org	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records2 records 125ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	3600s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.migadu.com → 141.94.97.141
🔶 Autoconfig	autoconfig.migadu.com → 141.94.97.141

🔷 AAAA Records (IPv6)1 records 185ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f9:c012:dd04::1	3600s	xn--sb-lka.org	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇫🇮 Finland	Helsinki

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 444ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	inc-eu-central.migadu.com

📝 TXT Records2 records 520ms

TXT Record
hosted-email-verify=mvdf0hrg
v=spf1 include:spf.migadu.com -all

✉️ SPF

Policy	Record (o7.dk)
-all (hard fail)	v=spf1 include:spf.migadu.com -all

📨 DMARC

Policy	Record (_dmarc.o7.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc-rua@o7.dk; ruf=mailto:dmarc-ruf@o7.dk;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:mta-sts1@o7.dk

📜 CAA Records2 records 164ms

Flags	Tag	Value
0	iodef	mailto:caa-violation@o7.dk
128	issue	letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/85697055

🔗 TLSA / DANE5 records 633ms

Service / Owner	Type	Cert association
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	CBBC559B44D524D6A132BDAC672744DA…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	D016E1FE311948ACA64F2DE44CE86C9A…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	F1440A9B76E1E41E53A4CB461329BF63…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	3586D4ECF070578CBD27AEDCE20B964E…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	885BF0572252C6741DC9A52F5044487F…

🔐 DNSSEC225ms

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

🏷️ SOA62ms

Field	Value
Serial	2025090801
Primary NS (MNAME)	o7.dk
Responsible (RNAME)	dns@o7.dk
Refresh	21600s
Retry	3600s
Expire	259200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

202ms

A

128ms

MX

125ms

AAAA

185ms

TXT

520ms

CAA

164ms

HTTPS

223ms

TLSA

633ms

SOA

62ms

MTA-STS

199ms

DNSSEC

225ms

SRV

444ms

Total

10249ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:41:07	2638ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-26 22:19:20	15685ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 11:43:59	10249ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 02:36:18	7339ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 03:37:16	14545ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 00:37:59	6202ms	2 NS 1 A 2 MX	🔒 Secure	View