casikring.dk

📜 Historical scan 2026-06-21 00:40:33 · ← 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 129ms

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 115ms

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 123ms

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 117ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1ff3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b4f7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 121ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.243,172.67.180.247 ech=AEX+DQBBLgAgACAh4V20masyK5CKKmV2Gfdlq8fqU0lvexM1Rv4PxV+6OwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1ff3,2606:4700:3035::ac43:b4f7

📝 TXT Records#

1 records 139ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.casikring.dk	2Dr6hdu3rTPCN-TD4DMW_qwrgV3n5evbFJYM4ozE5YY
TXT	_acme-challenge.casikring.dk	4lQvn9YXP_GBytrB5msymhIYOZCnWkVQz70KGGVHYtQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

224ms

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

🏷️ SOA#

121ms

Field	Value
Serial	2407461023
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 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

129ms

115ms

123ms

AAAA

117ms

TXT

139ms

CAA

116ms

HTTPS

121ms

TLSA

237ms

SOA

121ms

MTA-STS

140ms

DNSSEC

224ms

SRV

156ms

Total

1062ms

🕐 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	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 shown	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