`mail.estcom.com.br`

DNSSEC	⚠️ Not signed
A	199.193.117.186^{🇺🇸 HIVELOCITY-1199.193.117.0/24 TPA1 - IP Space}
		PTR	`us153-pl.valueserver.net`

`estcom.com.br`

	DNSSEC	⚠️ Not signed
	A	199.193.117.186^{🇺🇸 HIVELOCITY-1199.193.117.0/24 TPA1 - IP Space}
	NS	`ns3.estcom.com.br` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.estcom.com.br` ⚠️ Not in parent delegation
	NS	`ns1.valueserver.net` ⚠️ Not in zone NS records
	NS	`ns2.estcom.com.br` ⚠️ Not in parent delegation
	NS	`ns2.valueserver.net` ⚠️ Not in zone NS records
	NS	`ns3.valueserver.net` ⚠️ Not in zone NS records
	NS	`ns4.estcom.com.br` ⚠️ Not in parent delegation
	NS	`ns4.valueserver.net` ⚠️ Not in zone NS records
	MX	`mail.estcom.com.br` ⭐
	TXT	`v=spf1 +a +mx +a:us134-pl.valueserver.net +a:us134b-pl.valueserver.net includ...`
	SOA	`ns3.estcom.com.br`araraquara24h@gmail.com 2026-03-30 #1

MX for

estcom.com.br

Same first word

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mail.mysecuritycamera.com

mail.microsoft

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DNS History

1 record (1 active, 0 former)

●A199.193.117.1862026-02-15 → 2026-04-13 · 2 obs

● 2026-02-15 19:45:46
● 2026-04-13 17:40:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
estcom.com.br	ns1.valueserver.net, ns2.valueserver.net, ns3.valueserver.net, ns4.valueserver.net	-

✅ Authoritative Response

Server:51.81.81.61

NS records: ns1.valueserver.net, ns2.valueserver.net, ns3.valueserver.net, ns4.valueserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 909ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.193.117.186`

Analysis

Mail Server Role

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

IP Addresses

mail.estcom.com.br resolves to one IP number: 199.193.117.186.

other host names including familiareal.com.br, mail.abcsites.com.br, mail.webtra.com.br, ns1.tezlahotel.com.br and mail.kfesoftware.com.br share IP numbers with mail.estcom.com.br.

mail.estcom.com.br - robtex.com