sysimprove.dk

📜 Historical scan 2026-09-27 03:41:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sysimprove.dk is a .dk domain served by 2 nameservers (chan.ns.cloudflare.com, woz.ns.cloudflare.com). It was registered on 7 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.107 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.sysimprove.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

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 Records#

2 records 44ms

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 Records#

1 records 44ms

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 39ms

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 Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.67.107,172.67.221.96 ech=AEX+DQBBzQAgACDOQSq2pQqw8nb++gJRuIEJbl+YCDob1Kp8UtTCSGShbAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:436b,2606:4700:3036::ac43:dd60

🔌 SRV Records#

1 records 70ms

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

📝 TXT Records#

1 records 179ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 19:40:41

www	104.21.67.107 172.67.221.96 2606:4700:3035::6815:436b 2606:4700:3036::ac43:dd60 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sysimprove.dk: 104.21.67.107 172.67.221.96 2606:4700:3035::6815:436b 2606:4700:3036::ac43:dd60 (AS13335) www.sysimprove.dk: 104.21.67.107 172.67.221.96 2606:4700:3035::6815:436b 2606:4700:3036::ac43:dd60 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414901366
Primary NS (MNAME)	chan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 04:06:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-08-07
Expires	2027-08-31 (317d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
mmbrand.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

44ms

AAAA

39ms

TXT

179ms

CAA

33ms

HTTPS

46ms

TLSA

64ms

SOA

0ms

MTA-STS

67ms

DNSSEC

80ms

SRV

70ms

Total

680ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 10:10:54	1709ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 07:33:53	703ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 04:04:42	715ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 03:41:01 shown	680ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 16:17:13	937ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 15:36:15	7574ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 13:39:06	1260ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-02 02:01:52	2028ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 21:16:33	1987ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 14:00:11	950ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 12:11:15	1217ms	2 NS 2 A 1 MX	🔓 Insecure