casikring.dk

📜 Historical scan 2026-09-30 17:16:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

casikring.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, tara.ns.cloudflare.com). It was registered on 3 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.243 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
cory.ns.cloudflare.com	108.162.193.93 172.64.33.93 173.245.59.93 2606:4700:58::adf5:3b5d 2803:f800:50::6ca2:c15d 2a06:98c1:50::ac40:215d	cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tara.ns.cloudflare.com	108.162.192.225 172.64.32.225 173.245.58.225 2606:4700:50::adf5:3ae1 2803:f800:50::6ca2:c0e1 2a06:98c1:50::ac40:20e1	tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.ns.cloudflare.com tara.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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.243	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.247	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1ff3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b4f7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.243,172.67.180.247 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1ff3,2606:4700:3034::ac43:b4f7

📝 TXT Records#

1 records 210ms

TXT Record
v=spf1 +a +mx +a:web2.bazzo.dk -all

✉️ SPF#

Policy	Record (casikring.dk)
-all (hard fail)	v=spf1 +a +mx +a:web2.bazzo.dk -all

📨 DMARC#

Policy	Record (_dmarc.casikring.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-11 05:36:13

www	104.21.31.243 172.67.180.247 2606:4700:3033::6815:1ff3 2606:4700:3034::ac43:b4f7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network casikring.dk: 104.21.31.243 172.67.180.247 2606:4700:3033::6815:1ff3 2606:4700:3034::ac43:b4f7 (AS13335) www.casikring.dk: 104.21.31.243 172.67.180.247 2606:4700:3033::6815:1ff3 2606:4700:3034::ac43:b4f7 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 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: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 94ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

81ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2416106922
Primary NS (MNAME)	cory.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 06:07:56

Field	Value
Registrar	Simply.com A/S
Registered	2019-06-03
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

54ms

30ms

AAAA

45ms

TXT

210ms

CAA

50ms

HTTPS

42ms

TLSA

94ms

SOA

48ms

MTA-STS

62ms

DNSSEC

81ms

SRV

72ms

Total

1096ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 05:36:13	466ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 17:16:28 shown	1096ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 18:16:54	782ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 20:41:57	1127ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 12:16:08	1246ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 19:03:47	2097ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 23:48:19	1088ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 00:56:17	1289ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 21:38:57	6151ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-19 20:26:33	16963ms	2 NS 2 A 1 MX	❓ Unknown
2026-08-12 21:22:20	3693ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 18:16:43	25377ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 10:41:17	1101ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 20:36:42	969ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 05:03:26	2115ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 00:40:33	1062ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 16:53:55	982ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 08:08:01	1278ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 13:38:29	1708ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 19:35:36	584ms	2 NS 2 A 1 MX	🔓 Insecure