`mail.cuong.tech`

DNSSEC	⚠️ Not signed
A	103.47.227.156^{🇸🇬 ASN-ATLANTIC-NET103.47.224.0/22 Atlantic.Net, Inc. 440 West Kennedy Blvd, Suite 3}
		PTR	`mail.cuong.tech`

`cuong.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b9fa^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:136e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.110^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.250^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`martha.ns.cloudflare.com` ⭐
NS	`paul.ns.cloudflare.com`
MX	`mail.cuong.tech` ⭐
TXT	`openai-domain-verification=dv-Ffg2FfOtbTDvy7KXhHfWD4Nr`
TXT	`v=spf1 mx a:mail.cuong.tech include:spf.mailjet.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.110, 172.67.185.250
		IPv6 hints	2606:4700:3032::ac43:b9fa, 2606:4700:3035::6815:136e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOA	`martha.ns.cloudflare.com`dns@cloudflare.com serial=2402669957

PTR for

156.227.47.103.in-addr.arpa

MX for

cuong.tech

Same first word

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DNS History

1 record (1 active, 0 former)

●A103.47.227.1562026-04-21 → 2026-04-29 · 2 obs

● 2026-04-21 18:54:56
● 2026-04-29 18:42:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net	8 records
cuong.tech	paul.ns.cloudflare.com, martha.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.135

NS records: paul.ns.cloudflare.com, martha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuong.tech (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.47.227.156`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

Mail Server Role

mail.cuong.tech serves as the mail server for cuong.tech.

IP Addresses

mail.cuong.tech resolves to a single IP address: 103.47.227.156.

mail.cuong.tech - robtex.com

mail.cuong.tech

cuong.tech