fritidbornholm.dk DNS records

🖥️ Nameservers2 records 213ms

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 218ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.168.29	3600s	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records3 records 241ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	3600s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
20	3600s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	fritidbornholm.dk → 144.76.168.29
🔶 Autoconfig	auto.mailbox.org → 185.97.174.46

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 350ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	auto.mailbox.org

📝 TXT Records1 records 696ms

TXT Record
v=spf1 ip4:216.92.184.19 a:fritidbornholm.dk include:mailbox.org -all

✉️ SPF

Policy	Record (fritidbornholm.dk)
-all (hard fail)	v=spf1 ip4:216.92.184.19 a:fritidbornholm.dk include:mailbox.org -all

📨 DMARC

Policy	Record (_dmarc.fritidbornholm.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:postmaster@fritidbornholm.dk; ruf=mailto:postmaster@fritidbornholm.dk; adkim=s; aspf=s;

📬 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
CNAME	_acme-challenge.fritidbornholm.dk	fritidbornholm.dk

🔗 TLSA / DANE9 records 265ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…

🔐 DNSSEC396ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-15 09:32:46

Field	Value
Registrar	ONE.COM A/S
Registered	2011-03-26
Expires	2027-03-31 (209d)

📋 WHOIS

⏱️ Lookup Timing

NS

213ms

A

218ms

MX

241ms

AAAA

246ms

TXT

696ms

CAA

235ms

HTTPS

259ms

TLSA

265ms

SOA

0ms

MTA-STS

298ms

DNSSEC

396ms

SRV

350ms

Total

4612ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 14:39:07	4612ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-17 17:27:54	2694ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-15 09:30:59	19649ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-12 09:26:50	10138ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 17:05:18	3556ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:43:31	915ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:07:57	1492ms	2 NS 1 A 1 MX	🔒 Secure	View