syku.dk DNS records

🖥️ Nameservers2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
bill.ns.cloudflare.com	108.162.193.74 172.64.33.74 173.245.59.74 2606:4700:58::adf5:3b4a 2803:f800:50::6ca2:c14a 2a06:98c1:50::ac40:214a	bill.ns.cloudflare.com bill.ns.cloudflare.com bill.ns.cloudflare.com bill.ns.cloudflare.com bill.ns.cloudflare.com bill.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.7	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5c07	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:b7fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.7,172.67.183.254 ech=AEX+DQBBnAAgACD9BqMfOdO2k+iNA9Guiww3VPr24bC3QRFsnVRK/Q6ZYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5c07,2606:4700:3030::ac43:b7fe

📝 TXT Records1 records 195ms

TXT Record
v=spf1 ip4:89.188.76.213 include:spf.azehosting.net ip4:185.221.37.133 +a +mx ~all

✉️ SPF

Policy	Record (syku.dk)
~all (soft fail)	v=spf1 ip4:89.188.76.213 include:spf.azehosting.net ip4:185.221.37.133 +a +mx ~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

🔗 TLSA / DANE

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

🔐 DNSSEC76ms

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

🏷️ SOA0ms

Field	Value
Serial	2411792123
Primary NS (MNAME)	bill.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

39ms

MX

54ms

AAAA

51ms

TXT

195ms

CAA

42ms

HTTPS

45ms

TLSA

53ms

SOA

0ms

MTA-STS

68ms

DNSSEC

76ms

SRV

63ms

Total

957ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 22:46:21	957ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-20 11:32:56	842ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-01 17:48:16	861ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 18:35:27	2581ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 21:51:25	793ms	2 NS 2 A 0 MX	🔓 Insecure	View