ontheair.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
rafe.ns.cloudflare.com	108.162.192.216 172.64.32.216 173.245.58.216 2606:4700:50::adf5:3ad8 2803:f800:50::6ca2:c0d8 2a06:98c1:50::ac40:20d8	rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com rafe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
west.ns.cloudflare.com	108.162.193.247 172.64.33.247 173.245.59.247 2606:4700:58::adf5:3bf7 2803:f800:50::6ca2:c1f7 2a06:98c1:50::ac40:21f7	west.ns.cloudflare.com west.ns.cloudflare.com west.ns.cloudflare.com west.ns.cloudflare.com west.ns.cloudflare.com west.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.9	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.167.222	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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	300s	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	300s	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

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:d09	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a7de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.9,172.67.167.222 ech=AEX+DQBBwwAgACD1jDIxGPcMeawKWPxHFkCogkYtT+owpFWGA2KkiY1VTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:d09,2606:4700:3034::ac43:a7de

📝 TXT Records1 records 143ms

TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF

Policy	Record (ontheair.dk)
~all (soft fail)	v=spf1 include:mailbox.org ~all

📨 DMARC

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

📬 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
TXT	_acme-challenge.ontheair.dk	ZULFm6a_yeXKv6fLTH2NgERRbcoaPSeRyCUxEyR-SR0
TXT	_acme-challenge.ontheair.dk	tPPfGLsjAnam5BC8zHqK4JGhOECRFVO_W607791JzhQ

🔗 TLSA / DANE9 records 1216ms

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

🔐 DNSSEC103ms

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	2413391331
Primary NS (MNAME)	rafe.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

31ms

MX

40ms

AAAA

32ms

TXT

143ms

CAA

33ms

HTTPS

31ms

TLSA

1216ms

SOA

0ms

MTA-STS

53ms

DNSSEC

103ms

SRV

49ms

Total

3219ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 19:13:24	3219ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-27 15:49:53	1140ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-24 18:22:28	10658ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-20 20:40:12	18950ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-01 10:34:40	1325ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-24 16:10:28	999ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 18:16:44	1416ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 17:55:43	5525ms	2 NS 2 A 3 MX	🔓 Insecure	View