`mail.reactiva.com.br`

DNSSEC	⚠️ Not signed
A	212.85.22.66^{🇬🇧 IIHOS001212.85.16.0/21 HOSTINGER BR}
		PTR	`mail.reactiva.com.br`

`reactiva.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1353^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b9ac^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.83^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.172^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`grant.ns.cloudflare.com` ⭐
NS	`lara.ns.cloudflare.com`
MX	`mail.reactiva.com.br` ⭐
TXT	`google-site-verification=CuHF58ulCGxP3ZEzcqMXCj3YauBWXwZIBvyEwKLV4i4`
TXT	`v=spf1 mx a:mail.reactiva.com.br -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.83, 172.67.185.172
		IPv6 hints	2606:4700:3035::6815:1353, 2606:4700:3036::ac43:b9ac
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOA	`grant.ns.cloudflare.com`dns@cloudflare.com serial=2407065743

PTR for

66.22.85.212.in-addr.arpa

MX for

casarios.com.br

reactiva.com.br

Same first word

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DNS History

1 record (1 active, 0 former)

●A212.85.22.662026-06-04 → 2026-07-15 · 2 obs

● 2026-06-04 21:03:46
● 2026-07-15 03:15:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	b.dns.br, c.dns.br, d.dns.br, e.dns.br...	-
reactiva.com.br	grant.ns.cloudflare.com, lara.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.128

NS records: grant.ns.cloudflare.com, lara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.85.22.66`

Analysis

Mail Server Role

casarios.com.br and reactiva.com.br share mail.reactiva.com.br as a mail server.

IP Addresses

mail.reactiva.com.br points to a single IP number: 212.85.22.66.

Host names like mail.casarios.com.br are further examples that share IP numbers with mail.reactiva.com.br.

mail.reactiva.com.br - robtex.com