`mail.doring.com.br`

DNSSEC	⚠️ Not signed
A	177.104.182.115^{🇧🇷 EVEO177.104.182.0/23}
		PTR	`premium1.spo1-cp1.lnxserversecure.com`

`doring.com.br`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:baf8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:13a4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.164^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.248^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`scott.ns.cloudflare.com` ⭐
NS	`vida.ns.cloudflare.com`
MX	`_dc-mx.7ed21f49504b.doring.com.br` ⭐
TXT	`v=spf1 ip4:177.104.182.114 ip4:177.104.182.115 include:_spf.lnxserversecure.c...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.164, 172.67.186.248
		IPv6 hints	2606:4700:3030::ac43:baf8, 2606:4700:3031::6815:13a4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOA	`scott.ns.cloudflare.com`dns@cloudflare.com serial=2401243712

Previously MX for

doring.com.br

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DNS History

2 records (1 active, 1 former)

●A177.104.182.1152026-04-12 → 2026-04-12 · 2 obs

○ 2016-05-30 09:31:06
● 2026-04-12 10:30:10

○A192.111.156.2012016-05-30 → 2016-05-30 · 2 obs

● 2016-05-30 09:31:06
○ 2026-04-12 10:30:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	c.dns.br, b.dns.br, a.dns.br, f.dns.br...	-
doring.com.br	scott.ns.cloudflare.com, vida.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.230

NS records: scott.ns.cloudflare.com, vida.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 730ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.104.182.115`

Analysis

IP Addresses

mail.doring.com.br resolves to one IP number: 177.104.182.115.

other host names including mail.ndctelecom.com.br, fux.com.br, senahost.com.br, wssistemas.com and tecnolsistemas.com.br share IP numbers with mail.doring.com.br.

mail.doring.com.br - robtex.com