sigmasharks.dk

📜 Historical scan 2026-06-26 06:08:34 · ← 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. Its website address 104.21.90.139 is hosted by Cloudflare, Inc. (AS13335). 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.200.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	sigmasharks-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5a8b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c8fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 41ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.139,172.67.200.254 ech=AEX+DQBB5AAgACAFLaDYtXd/eoTDI/EQWO6uaOXC7FPWs655HaGNhtLyeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5a8b,2606:4700:3032::ac43:c8fe

📝 TXT Records#

2 records 140ms

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

✉️ SPF#

Policy	Record (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

www	104.21.90.139 172.67.200.254 2606:4700:3031::ac43:c8fe 2606:4700:3033::6815:5a8b (AS13335) (address records, no CNAME)
www vs bare domain	Same network sigmasharks.dk: 104.21.90.139 172.67.200.254 2606:4700:3031::ac43:c8fe 2606:4700:3033::6815:5a8b (AS13335) www.sigmasharks.dk: 104.21.90.139 172.67.200.254 2606:4700:3031::ac43:c8fe 2606:4700:3033::6815:5a8b (AS13335)
Wildcard	No

🔎 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#

100ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2406234743
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 07:36:07

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-10
Expires	2027-03-09 (141d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

33ms

38ms

AAAA

39ms

TXT

140ms

CAA

35ms

HTTPS

41ms

TLSA

136ms

SOA

35ms

MTA-STS

59ms

DNSSEC

100ms

SRV

60ms

Total

890ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	1617ms	2 NS 2 A 1 MX	🔓 Insecure