client-booster.dk DNS records

🖥️ Nameservers2 records 294ms

Nameserver	IP addresses	PTR	ASN / ISP
iris.ns.cloudflare.com	108.162.192.118 172.64.32.118 173.245.58.118 2606:4700:50::adf5:3a76 2803:f800:50::6ca2:c076 2a06:98c1:50::ac40:2076	iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com iris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terin.ns.cloudflare.com	108.162.193.236 172.64.33.236 173.245.59.236 2606:4700:58::adf5:3bec 2803:f800:50::6ca2:c1ec 2a06:98c1:50::ac40:21ec	terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com terin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 281ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.72	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.143	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 278ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.client-booster.dk	81.19.251.25	—	AS47292 Sentia Denmark A/S

🔷 AAAA Records (IPv6)2 records 272ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:748	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bb8f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 294ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.72,172.67.187.143 ech=AEX+DQBBawAgACAUjjcEHSf2wlThCqPLx//d+m3qlWUe3nwuQaUVaVwQBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:748,2606:4700:3037::ac43:bb8f

📝 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)

🔐 DNSSEC388ms

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	2412790499
Primary NS (MNAME)	iris.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

294ms

A

281ms

MX

278ms

AAAA

272ms

TXT

570ms

CAA

263ms

HTTPS

294ms

TLSA

384ms

SOA

0ms

MTA-STS

317ms

DNSSEC

388ms

SRV

311ms

Total

9990ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 09:45:07	9990ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 08:34:52	17538ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-10 15:02:00	6849ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 00:35:53	4880ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 21:16:23	4525ms	2 NS 2 A 1 MX	🔓 Insecure	View