sigmasharks.dk

📜 Historical scan 2026-06-17 16:57:40  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sigmasharks.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 10 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by sigmasharks-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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   154ms

🌍 A Records#

2 records   148ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.90.139 — — AS13335 — — — —
172.67.200.254 — — AS13335 — — — —

📧 MX Records#

1 records   157ms

🔷 AAAA Records (IPv6)#

2 records   148ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::6815:5a8b — — AS13335 — — — —
2606:4700:3032::ac43:c8fe — — AS13335 — — — —

🔐 HTTPS Records#

1 records   136ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.90.139,172.67.200.254 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5a8b,2606:4700:3032::ac43:c8fe

📝 TXT Records#

2 records   244ms
TXT Record
MS=ms29252784
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (sigmasharks.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -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 18:07:26

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

215ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

145ms
FieldValue
Serial2406234743
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:36:07
FieldValue
RegistrarSimply.com A/S
Registered2026-03-10
Expires2027-03-09 (141d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
154ms
A
148ms
MX
157ms
AAAA
148ms
TXT
244ms
CAA
131ms
HTTPS
136ms
TLSA
324ms
SOA
145ms
MTA-STS
158ms
DNSSEC
215ms
SRV
0ms
Total
1617ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 06:49:53 2898ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 06:25:09 1611ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-03 22:22:21 2838ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-06 01:34:03 2272ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 06:08:34 890ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-22 20:42:27 1174ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 16:57:40 shown 1617ms 2 NS 2 A 1 MX 🔓 Insecure
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