sseg.dk DNS records

🖥️ Nameservers2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
dante.ns.cloudflare.com	108.162.195.10 162.159.44.10 172.64.35.10 2606:4700:58::a29f:2c0a 2803:f800:50::6ca2:c30a 2a06:98c1:50::ac40:230a	dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
joyce.ns.cloudflare.com	108.162.194.14 162.159.38.14 172.64.34.14 2606:4700:50::a29f:260e 2803:f800:50::6ca2:c20e 2a06:98c1:50::ac40:220e	joyce.ns.cloudflare.com joyce.ns.cloudflare.com joyce.ns.cloudflare.com joyce.ns.cloudflare.com joyce.ns.cloudflare.com joyce.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.63.219	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.14	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 101ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.172.14
🔶 Autoconfig	104.21.63.219

🔷 AAAA Records (IPv6)2 records 111ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3fdb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ac0e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 86ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.63.219,172.67.172.14 ech=AEX+DQBBGAAgACD/6TyNDoChX9oOn4Yg0snN6juX0nxH8qfh9RjPmPxMGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3fdb,2606:4700:3033::ac43:ac0e

📝 TXT Records1 records 369ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sseg.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:postmaster@sseg.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

🔗 TLSA / DANE9 records 283ms

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	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.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…

🔐 DNSSEC268ms

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	2413404450
Primary NS (MNAME)	dante.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

79ms

A

82ms

MX

101ms

AAAA

111ms

TXT

369ms

CAA

106ms

HTTPS

86ms

TLSA

283ms

SOA

0ms

MTA-STS

156ms

DNSSEC

268ms

SRV

158ms

Total

2846ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 09:57:33	2846ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-27 09:45:48	1242ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-07 16:26:07	3183ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-24 17:30:16	33733ms	2 NS 2 A 3 MX	❓ Unknown	View
2026-07-14 12:09:16	3087ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-27 09:48:42	1285ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-26 13:03:12	3170ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-25 21:35:26	3496ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-24 18:01:30	1318ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 12:54:47	2398ms	2 NS 2 A 3 MX	🔓 Insecure	View