sigdam.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ajay.ns.cloudflare.com	108.162.193.56 172.64.33.56 173.245.59.56 2606:4700:58::adf5:3b38 2803:f800:50::6ca2:c138 2a06:98c1:50::ac40:2138	ajay.ns.cloudflare.com ajay.ns.cloudflare.com ajay.ns.cloudflare.com ajay.ns.cloudflare.com ajay.ns.cloudflare.com ajay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
monroe.ns.cloudflare.com	108.162.194.153 162.159.38.153 172.64.34.153 2606:4700:50::a29f:2699 2803:f800:50::6ca2:c299 2a06:98c1:50::ac40:2299	monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com monroe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records3 records 54ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 221ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.sigdam.dk)
p=none (monitor only)	v=DMARC1;p=none;rua=mailto:postmaster@sigdam.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 255ms

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	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.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.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…

🔐 DNSSEC112ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412354007
Primary NS (MNAME)	ajay.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

50ms

A

63ms

MX

54ms

AAAA

64ms

TXT

221ms

CAA

55ms

HTTPS

52ms

TLSA

255ms

SOA

0ms

MTA-STS

85ms

DNSSEC

112ms

SRV

79ms

Total

1960ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 11:14:57	1960ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-08-16 07:24:02	2044ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-08-08 14:25:31	1640ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-27 17:59:06	2746ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-22 07:07:06	11860ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-21 11:01:36	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 23:13:10	10463ms	2 NS 0 A 3 MX	🔓 Insecure	View
2026-06-17 22:13:52	4323ms	2 NS 0 A 3 MX	🔓 Insecure	View