casikring.dk

📜 Historical scan 2026-08-25 00:56:17  ·  ← 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   81ms

🌍 A Records#

2 records   69ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   68ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records   74ms

🔐 HTTPS Records#

1 records   75ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.31.243,172.67.180.247 ech=AEX+DQBB1AAgACA29NmFevr2JsWFHfU0mhhObGrQHKGHYiXAwG8t5nUHdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1ff3,2606:4700:3034::ac43:b4f7

📝 TXT Records#

1 records   428ms
TXT Record
v=spf1 +a +mx +a:web2.bazzo.dk -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
www104.21.31.243 172.67.180.247 2606:4700:3033::6815:1ff3 2606:4700:3034::ac43:b4f7 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
TXT _acme-challenge.casikring.dk 5rcP9LI1MNCvTe7rSgHBDnElFdk1HSZgveG1jM_hoAU
TXT _acme-challenge.casikring.dk lqBd-LLdWuwmlNuuC_ALKSXnug9QRqMrdttl7hh8_hQ

🔗 TLSA / DANE#

2 records   131ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

269ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413013769
Primary NS (MNAME)cory.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 06:07:56
FieldValue
RegistrarSimply.com A/S
Registered2019-06-03
Expires2027-06-30 (254d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
81ms
A
69ms
MX
68ms
AAAA
74ms
TXT
428ms
CAA
74ms
HTTPS
75ms
TLSA
131ms
SOA
0ms
MTA-STS
136ms
DNSSEC
269ms
SRV
211ms
Total
1289ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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
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