sysimprove.dk DNS records

🖥️ Nameservers2 records 293ms

Nameserver	IP addresses	PTR	ASN / ISP
chan.ns.cloudflare.com	108.162.192.82 172.64.32.82 173.245.58.82 2606:4700:50::adf5:3a52 2803:f800:50::6ca2:c052 2a06:98c1:50::ac40:2052	chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com chan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
woz.ns.cloudflare.com	108.162.193.150 172.64.33.150 173.245.59.150 2606:4700:58::adf5:3b96 2803:f800:50::6ca2:c196 2a06:98c1:50::ac40:2196	woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com woz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 286ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.67.107	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.96	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 290ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.sysimprove.dk	195.201.240.207	static.207.240.201.195.clients.your-server.de	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.sysimprove.dk → 195.201.240.207
🔶 Autoconfig	mail.sysimprove.dk → 195.201.240.207

🔷 AAAA Records (IPv6)2 records 256ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:436b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:dd60	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 308ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.107,172.67.221.96 ech=AEX+DQBBTwAgACDG9MCGOkzsTijIgr+UD6/xJ/bySg+zEs2CM6qYbIl9BgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:436b,2606:4700:3036::ac43:dd60

🔌 SRV Records1 records 336ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	50	443	mail.sysimprove.dk

📝 TXT Records1 records 824ms

TXT Record
v=spf1 include:eu.mailgun.org ~all

✉️ SPF

Policy	Record (sysimprove.dk)
~all (soft fail)	v=spf1 include:eu.mailgun.org ~all

📨 DMARC

Policy	Record (_dmarc.sysimprove.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:0f6bea0e7eb24c54b7f10c99e7e62863@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC514ms

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	2412756687
Primary NS (MNAME)	chan.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

293ms

A

286ms

MX

290ms

AAAA

256ms

TXT

824ms

CAA

257ms

HTTPS

308ms

TLSA

369ms

SOA

0ms

MTA-STS

376ms

DNSSEC

514ms

SRV

336ms

Total

7574ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 15:36:15	7574ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 13:39:06	1260ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-02 02:01:52	2028ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-27 21:16:33	1987ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 14:00:11	950ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:11:15	1217ms	2 NS 2 A 1 MX	🔓 Insecure	View