21blackjack.dk DNS records

🖥️ Nameservers2 records 158ms

Nameserver	IP addresses	PTR	ASN / ISP
adel.ns.cloudflare.com	108.162.192.55 172.64.32.55 173.245.58.55 2606:4700:50::adf5:3a37 2803:f800:50::6ca2:c037 2a06:98c1:50::ac40:2037	adel.ns.cloudflare.com adel.ns.cloudflare.com adel.ns.cloudflare.com adel.ns.cloudflare.com adel.ns.cloudflare.com adel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
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.

🌍 A Records2 records 173ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.65	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.188	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 157ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:141	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:80bc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 161ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.65,172.67.128.188 ech=AEX+DQBBUAAgACB5yo1uHPYFnhyeEH0/VQFJMCBy7AUPLw737f6vCcgyYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:141,2606:4700:3035::ac43:80bc

📝 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)

🔐 DNSSEC396ms

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	2412498319
Primary NS (MNAME)	adel.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

158ms

A

173ms

MX

183ms

AAAA

157ms

TXT

1404ms

CAA

196ms

HTTPS

161ms

TLSA

304ms

SOA

0ms

MTA-STS

205ms

DNSSEC

396ms

SRV

328ms

Total

4822ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 05:18:01	4822ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-17 22:14:22	945ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-08 01:55:05	920ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 12:44:43	502ms	2 NS 2 A 0 MX	🔓 Insecure	View