thereef.dk DNS records

🖥️ Nameservers2 records 246ms

Nameserver	IP addresses	PTR	ASN / ISP
vick.ns.cloudflare.com	108.162.193.244 172.64.33.244 173.245.59.244 2606:4700:58::adf5:3bf4 2803:f800:50::6ca2:c1f4 2a06:98c1:50::ac40:21f4	vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 221ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.73	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 191ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	custmx.cscdns.net	198.58.121.58	198-58-121-58.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)2 records 240ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b249	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:11cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 178ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.203,172.67.178.73 ech=AEX+DQBBEAAgACBc5rhJUgx/SRHXHvOTrZR4uvMPv7NjmPHjCzUE36/qDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b249,2606:4700:3037::6815:11cb

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC338ms

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	2411742138
Primary NS (MNAME)	vick.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

246ms

A

221ms

MX

191ms

AAAA

240ms

TXT

414ms

CAA

208ms

HTTPS

178ms

TLSA

506ms

SOA

0ms

MTA-STS

277ms

DNSSEC

338ms

SRV

251ms

Total

3026ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 06:19:40	3026ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 01:47:38	9509ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 19:01:24	880ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 17:54:17	1456ms	2 NS 2 A 1 MX	🔓 Insecure	View