o7.dk DNS records

🖥️ Nameservers2 records 56ms

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 95.216.212.222	tor2.xn--sb-lka.org tor2.xn--sb-lka.org	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 36ms

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

📧 MX Records2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx1.migadu.com	141.94.75.77 141.94.97.118 2001:41d0:303:d163::1 2001:41d0:303:e224:: 2001:41d0:303:ff4d::1 2001:41d0:403:4876:: 2001:41d0:403:58f0:: 51.178.91.99 51.210.223.36 57.128.22.240	mx14.migadu.com mx10.migadu.com — mx12.migadu.com — mx10.migadu.com mx11.migadu.com mx15.migadu.com mx12.migadu.com mx11.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	—	aspmx2.migadu.com	141.94.75.77 141.94.97.118 2001:41d0:303:d163::1 2001:41d0:303:e224:: 2001:41d0:303:ff4d::1 2001:41d0:403:4876:: 2001:41d0:403:58f0:: 51.178.91.99 51.210.223.36 57.128.22.240	mx14.migadu.com mx10.migadu.com — mx12.migadu.com — mx10.migadu.com mx11.migadu.com mx15.migadu.com mx12.migadu.com mx11.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS 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 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f9:c012:dd04::1	—	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 1610ms

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

📝 TXT Records2 records 733ms

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 55ms

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 / DANE7 records 861ms

Service / Owner	Type	Cert association
SMTP _25._tcp.aspmx1.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…
SMTP _25._tcp.aspmx2.migadu.com	DANE-EE · SPKI · SHA-256	4D97323D167383FD6998CE177C02C80C…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	CBBC559B44D524D6A132BDAC672744DA…
HTTPS _443._tcp.o7.dk	DANE-TA · SPKI · SHA-256	885BF0572252C6741DC9A52F5044487F…
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	D016E1FE311948ACA64F2DE44CE86C9A…

🔐 DNSSEC96ms

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

🏷️ SOA54ms

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

56ms

A

36ms

MX

35ms

AAAA

35ms

TXT

733ms

CAA

55ms

HTTPS

54ms

TLSA

861ms

SOA

54ms

MTA-STS

197ms

DNSSEC

96ms

SRV

1610ms

Total

6202ms

🕐 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