dunguyen.dk DNS records

🖥️ Nameservers2 records 137ms

Nameserver	IP addresses	PTR	ASN / ISP
clyde.ns.cloudflare.com	108.162.193.91 172.64.33.91 173.245.59.91 2606:4700:58::adf5:3b5b 2803:f800:50::6ca2:c15b 2a06:98c1:50::ac40:215b	clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com clyde.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
desi.ns.cloudflare.com	108.162.192.96 172.64.32.96 173.245.58.96 2606:4700:50::adf5:3a60 2803:f800:50::6ca2:c060 2a06:98c1:50::ac40:2060	desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com desi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.109	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.189.170	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 114ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:496d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:bdaa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 138ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.109,172.67.189.170 ech=AEX+DQBBXQAgACBdd/bT0/iYrTaQ0oBKb+X2dR5IEaU4+7cgJTUK71xxaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:496d,2606:4700:3030::ac43:bdaa

📝 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)

🔐 DNSSEC156ms

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	2411066836
Primary NS (MNAME)	clyde.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

137ms

A

106ms

MX

159ms

AAAA

114ms

TXT

267ms

CAA

153ms

HTTPS

138ms

TLSA

358ms

SOA

0ms

MTA-STS

157ms

DNSSEC

156ms

SRV

171ms

Total

1420ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-07 21:08:13	1420ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-24 06:46:52	9288ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 12:34:13	1285ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 05:14:19	1167ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 05:06:33	365ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 05:01:42	8838ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 05:01:12	486ms	2 NS 2 A 0 MX	🔓 Insecure	View