🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.lfstack.com.br`

DNSSEC	⚠️ Not signed
A	187.77.36.109^{🇧🇷 UNSPECIFIED160.0.0.0/3}
		PTR	`mail.lfstack.com.br`

`lfstack.com.br`

	DNSSEC	⚠️ Not signed
	A	152.53.36.14^{🇦🇹 netcup152.53.36.0/22}
	NS	`jon.quicns.com` ⭐
	NS	`kevin.quicns.com`
	MX	`mail.lfstack.com.br` ⭐
	TXT	`v=spf1 a mx ip4:187.77.36.109 ~all`
	SOA	`jon.quicns.com`dns@quicns.com serial=1787672515

PTR for

109.36.77.187.in-addr.arpa

MX for

lfstack.com.br

Same first word

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A187.77.36.1092026-10-02 → 2026-10-18 · 2 obs

● 2026-10-02 09:03:02
● 2026-10-18 01:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	d.dns.br, f.dns.br, a.dns.br, c.dns.br...	-
lfstack.com.br	jon.quicns.com, kevin.quicns.com	-

✅ Authoritative Response

Server:64.66.241.1

NS records: jon.quicns.com, kevin.quicns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 654ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`187.77.36.109`

Analysis

Mail Server Role

The mail server mail.lfstack.com.br processes email for lfstack.com.br.

IP Addresses

mail.lfstack.com.br resolves to just one IP address, 187.77.36.109.

mail.lfstack.com.br - robtex.com