`mail.simplex.mobi`

DNSSEC	⚠️ Not signed
A	103.179.188.124^{🇻🇳 VNPT-AS-VN103.179.188.0/23 INETSOLUTION-VN}
		PTR	`103.179.188.124.cloudfly.vn`

`simplex.mobi`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1abd^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:8a5d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.189^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.93^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hadlee.ns.cloudflare.com` ⭐
NS	`keaton.ns.cloudflare.com`
MX	`mail.simplex.mobi` ⭐
TXT	`v=spf1 mx a ip4:136.110.0.170 ~all`
TXT	`v=spf1 mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.189, 172.67.138.93
		IPv6 hints	2606:4700:3030::6815:1abd, 2606:4700:3031::ac43:8a5d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=127, name=cloudflare-ech.com
SOA	`hadlee.ns.cloudflare.com`dns@cloudflare.com serial=2401109165

MX for

simplex.mobi

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DNS History

1 record (1 active, 0 former)

●A103.179.188.1242026-03-19 → 2026-05-11 · 2 obs

● 2026-03-19 18:37:38
● 2026-05-11 19:57:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mobi	a0.mobi.afilias-nst.info, a2.mobi.afilias-nst.info, b0.mobi.afilias-nst.org, b2.mobi.afilias-nst.org...	-
simplex.mobi	hadlee.ns.cloudflare.com, keaton.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.181

NS records: hadlee.ns.cloudflare.com, keaton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplex.mobi (unsigned zone)

⏱️ Timing

Total: 4297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.179.188.124`

Analysis

Mail Server Role

mail.simplex.mobi handles mail for simplex.mobi.

IP Addresses

mail.simplex.mobi points to a single IP address: 103.179.188.124.

Other host names such as edu.vn.simple.com.vn, longviet.edu.vn.simple.com.vn, vn.simple.com.vn, simplex.io.vn and phanvietthang.com share IPs with mail.simplex.mobi.

mail.simplex.mobi - robtex.com