checkmk.dk

📜 Historical scan 2026-09-05 09:39:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

checkmk.dk is a .dk domain served by 3 nameservers (ns.inwx.de, ns2.inwx.de, ns3.inwx.eu). It was registered on 23 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.181.104.242 is hosted by InterNetworX Management GmbH (AS48596) in Germany. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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#

3 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.inwx.de	192.174.68.104 2001:67c:1bc::104	ns.inwx.ch ns1.anycastdns.ch	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.inwx.de	176.97.158.104 2001:67c:10b8::104	b.xnameserver.de ns2.inwx.ch	AS207021 ipcom GmbH AS1921 ipcom GmbH
ns3.inwx.eu	2a02:d500::53 45.87.158.53	c.xnameserver.de ns.domrobot.org	AS48596 InterNetworX Management GmbH AS48596 InterNetworX Management GmbH

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.181.104.242	3600s	—	AS48596	InterNetworX Management GmbH	185.181.104.0/22	🇩🇪 Germany	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 57ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (checkmk.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 02:20:59

www	185.181.104.242 (AS48596) (address records, no CNAME)
www vs bare domain	Same network checkmk.dk: 185.181.104.242 (AS48596) www.checkmk.dk: 185.181.104.242 (AS48596)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms

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	2025061200
Primary NS (MNAME)	ns.inwx.de
Responsible (RNAME)	hostmaster@inwx.de
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 11:08:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-04-23
Expires	2027-04-30 (194d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

28ms

39ms

AAAA

44ms

TXT

57ms

CAA

27ms

HTTPS

39ms

TLSA

67ms

SOA

0ms

MTA-STS

40ms

DNSSEC

167ms

SRV

0ms

Total

2233ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:07:11	540ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-05 09:39:58 shown	2233ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-26 22:29:25	697ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-02 00:32:11	788ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 20:25:14	453ms	3 NS 1 A 0 MX	🔓 Insecure