casesim.dk

📜 Historical scan 2026-08-26 15:31:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

casesim.dk is a .dk domain served by 2 nameservers (sofia.ns.cloudflare.com, woz.ns.cloudflare.com). It was registered on 18 July 2026 (WHOIS) and first appeared in the .dk zone on 19 July 2026. Its website address 104.21.92.187 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.zoho.eu, mx2.zoho.eu and 1 more. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
sofia.ns.cloudflare.com	108.162.192.223 172.64.32.223 173.245.58.223 2606:4700:50::adf5:3adf 2803:f800:50::6ca2:c0df 2a06:98c1:50::ac40:20df	sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.ns.cloudflare.com sofia.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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.187	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.30	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	600s	mx2.zoho.eu	185.230.214.166 185.230.214.166 185.230.214.166	mx2.zoho.eu mx.zoho.eu mx3.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	600s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx2.zoho.eu mx3.zoho.eu mx.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)#

2 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c51e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:5cbb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.187,172.67.197.30 ech=AEX+DQBBSQAgACCroazjlZoPusoav985mbUuVIPv3RYBlmlh0o2FPT/vCgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c51e,2606:4700:3036::6815:5cbb

📝 TXT Records#

2 records 140ms

TXT Record
v=spf1 include:spf.smtp2go.com include:_spf.mx.cloudflare.net include:zohomail.eu ~all
zoho-verification=zb97381833.zmverify.zoho.eu

✉️ SPF#

Policy	Record (casesim.dk)
~all (soft fail)	v=spf1 include:spf.smtp2go.com include:_spf.mx.cloudflare.net include:zohomail.eu ~all

📨 DMARC#

Policy	Record (_dmarc.casesim.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:info@casesim.dk; ruf=mailto:info@casesim.dk; sp=none; adkim=r; aspf=r; pct=100

📬 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 2026-10-07 16:00:57

www	104.21.92.187 172.67.197.30 2606:4700:3030::ac43:c51e 2606:4700:3036::6815:5cbb (AS13335) (address records, no CNAME)
www vs bare domain	Same network casesim.dk: 104.21.92.187 172.67.197.30 2606:4700:3030::ac43:c51e 2606:4700:3036::6815:5cbb (AS13335) www.casesim.dk: 104.21.92.187 172.67.197.30 2606:4700:3030::ac43:c51e 2606:4700:3036::6815:5cbb (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-casesim-dk._domainkey.casesim.e-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-casesim-dk._domainkey.casesim.e-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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	2413168457
Primary NS (MNAME)	sofia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 05:10:06

Field	Value
Registrar	Simply.com A/S
Registered	2026-07-18
Expires	2027-07-17 (273d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

39ms

31ms

29ms

AAAA

29ms

TXT

140ms

CAA

37ms

HTTPS

34ms

TLSA

83ms

SOA

0ms

MTA-STS

54ms

DNSSEC

103ms

SRV

53ms

Total

911ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:00:57	1241ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 09:50:21	1078ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 08:10:08	896ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 20:03:28	1869ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-09 04:59:16	2810ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 00:06:02	1765ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 21:52:00	1087ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-26 15:31:36 shown	911ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-21 04:42:32	2680ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-11 08:26:59	3635ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-09 08:05:47	1575ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-02 09:03:34	16660ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 07:40:29	1225ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-25 07:24:06	3318ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-23 06:11:17	8666ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-20 21:50:01	1305ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-19 08:47:29	2684ms	2 NS 2 A 0 MX	🔓 Insecure