`mail.dfit.com.br`

DNSSEC	⚠️ Not signed
A	138.117.217.80^{🇧🇷 AZAN138.117.217.0/24 CLARO S.A. Customer}
		PTR	`ip-138-117-217-80.azan.com.br`

`dfit.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:31de^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:98fc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.222^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.252^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isaac.ns.cloudflare.com` ⭐
NS	`sreeni.ns.cloudflare.com`
MX	`mail.dfit.com.br` ⭐
TXT	`google-site-verification=Hko10CThNS0Tv6qcctPK1Ci0kagmSmdhZmA0R8wSUmM`
TXT	`v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAso4ne9t2nKtGrgB...`
TXT	`v=spf1 +ip4:138.117.217.80 +include:spf.sierra.servidor.net.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.49.222, 172.67.152.252
		IPv6 hints	2606:4700:3032::6815:31de, 2606:4700:3034::ac43:98fc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOA	`isaac.ns.cloudflare.com`dns@cloudflare.com serial=2402138920

MX for

dfit.com.br

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DNS History

1 record (1 active, 0 former)

●A138.117.217.802026-04-24 → 2026-04-24 · 2 obs

● 2026-04-24 05:32:04
● 2026-04-24 07:15:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	c.dns.br, f.dns.br, a.dns.br, b.dns.br...	-
dfit.com.br	isaac.ns.cloudflare.com, sreeni.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.178

NS records: isaac.ns.cloudflare.com, sreeni.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`138.117.217.80`

Analysis

Mail Server Role

mail.dfit.com.br is the mail server for dfit.com.br.

IP Addresses

mail.dfit.com.br points to a single IP number: 138.117.217.80.

mail.dfit.com.br - robtex.com

mail.dfit.com.br

dfit.com.br