datasystems.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
odin.ns.cloudflare.com	108.162.195.208 162.159.44.208 172.64.35.208 2606:4700:58::a29f:2cd0 2803:f800:50::6ca2:c3d0 2a06:98c1:50::ac40:23d0	odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com odin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olga.ns.cloudflare.com	108.162.192.137 172.64.32.137 173.245.58.137 2606:4700:50::adf5:3a89 2803:f800:50::6ca2:c089 2a06:98c1:50::ac40:2089	olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.237	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.218	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	smtp.datasystems.dk	62.164.213.156	vmi2345123.contaboserver.net	AS51167 Contabo GmbH
20	300s	mail1.datasystems.dk	144.91.107.31	vmi2946224.contaboserver.net	AS51167 Contabo GmbH
30	300s	smtp81.baagoe.dk	—	—	—

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d5da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:32ed	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.237,172.67.213.218 ech=AEX+DQBBZwAgACBaz6aLb5mF7c/51IaCUfKO7zm3qmnq4IxVhbIVQk02OAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d5da,2606:4700:3037::6815:32ed

📝 TXT Records1 records 214ms

TXT Record
v=spf1 a mx -all

✉️ SPF

Policy	Record (datasystems.dk)
-all (hard fail)	v=spf1 a mx -all

📨 DMARC

Policy	Record (_dmarc.datasystems.dk)
p=quarantine	v=DMARC1;p=quarantine;rua=mailto:admin@datasystems.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC94ms

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	2411911159
Primary NS (MNAME)	odin.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

49ms

A

41ms

MX

40ms

AAAA

50ms

TXT

214ms

CAA

44ms

HTTPS

50ms

TLSA

100ms

SOA

0ms

MTA-STS

93ms

DNSSEC

94ms

SRV

78ms

Total

1516ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 11:17:30	1516ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-19 02:06:43	1703ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-03 19:59:25	1165ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-02 00:37:10	1080ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-17 01:06:24	662ms	2 NS 2 A 3 MX	🔓 Insecure	View