`mail.jfsecurity.com.br`

DNSSEC	⚠️ Not signed
A	31.220.102.83^{🇩🇪 CONTABO-USA31.220.96.0/21}
		PTR	`tino.tbhost.online`

`jfsecurity.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:9101^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5f89^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.137^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.1^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kami.ns.cloudflare.com` ⭐
NS	`max.ns.cloudflare.com`
MX	`mail.jfsecurity.com.br` ⭐
TXT	`v=spf1 +a +mx +ip4:31.220.102.83 +ip4:72.167.45.160 +ip4:18.206.162.179 +ip4:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.137, 172.67.145.1
		IPv6 hints	2606:4700:3032::ac43:9101, 2606:4700:3034::6815:5f89
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOA	`kami.ns.cloudflare.com`dns@cloudflare.com serial=2403835544

MX for

jfsecurity.com.br

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DNS History

1 record (1 active, 0 former)

●A31.220.102.832026-05-04 → 2026-05-11 · 2 obs

● 2026-05-04 12:51:10
● 2026-05-11 12:40:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, e.dns.br...	-
jfsecurity.com.br	max.ns.cloudflare.com, kami.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.132

NS records: max.ns.cloudflare.com, kami.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfsecurity.com.br (unsigned zone)

⏱️ Timing

Total: 3082ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.220.102.83`

Analysis

Mail Server Role

mail.jfsecurity.com.br serves as the mail server for jfsecurity.com.br.

IP Addresses

mail.jfsecurity.com.br points to a single IP: 31.220.102.83.

Other host names, for instance mail.desenvolvimentodesites.com.br, orchestra4edu.com, ns2.tbhost.online, weducation.com.br and emece.com.br share IP numbers with mail.jfsecurity.com.br.

mail.jfsecurity.com.br - robtex.com