linuxsecurity.com.br - dns.ninja

`linuxsecurity.com.br`

DNSSEC	⚠️ Not signed
A	189.51.144.4^{🇧🇷 CABONNET189.51.144.0/23 PROXY FOR CUSTOMER}
		PTR	`189.51.144.4.cabonnet.com.br`
NS	`ns1.linuxsecurity.com.br` ⭐
		A	201.62.64.18^{🇧🇷 LIFE-TECNOLOGIA201.62.64.0/24}
NS	`ns2.linuxsecurity.com.br`
		A	201.62.64.12^{🇧🇷 LIFE-TECNOLOGIA201.62.64.0/24}
NS	`ns3.linuxsecurity.com.br`
		A	189.51.144.23^{🇧🇷 CABONNET189.51.144.0/23 PROXY FOR CUSTOMER}
NS	`ns4.linuxsecurity.com.br` ⚠️ Not in zone NS records
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`srv-mii-1.linuxsecurity.com.br`⁽²⁰⁾
TXT	`v=spf1 ip4:189.51.144.4 ip4:201.62.64.14 ip4:189.90.102.162 ip4:201.62.64.14 ...`
TXT	`MS=ms21067292`
TXT	`google-site-verification=d-HCbAYi4wtecdVO1CQSsPvnUPJno0UVD3z3oo0fbEg`
SOA	`ns1.linuxsecurity.com.br`renato@linuxsecurity.com.br serial=2016113687

`com.br`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.br` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.br` ⚠️ Not in parent delegation
	NS	`c.dns.br` ⚠️ Not in parent delegation
	NS	`d.dns.br` ⚠️ Not in parent delegation
	NS	`e.dns.br` ⚠️ Not in parent delegation
	NS	`f.dns.br` ⚠️ Not in parent delegation
	SOA	`a.dns.br`hostmaster@registro.br serial=2026216392

WOT: SAFE (80/100)
rank #511182 globally
rank #3642 in the tld
WOT: SAFE (69/100)

Subdomains

freecode.linuxsecurity.com.br

mailhub.linuxsecurity.com.br

srv-mii-1.linuxsecurity.com.br

ns1.linuxsecurity.com.br

ns4.linuxsecurity.com.br

srv-mii-2.linuxsecurity.com.br

ns3.linuxsecurity.com.br

ns2.linuxsecurity.com.br

Same first word

Similar names

securitylinux.com

securitylinux.com.br

securitylinux.net

DNS History

13 records (11 active, 2 former)

●NSns1.linuxsecurity.com.br2015-09-02 → 2026-08-04 · 2 obs

● 2015-09-02 18:24:56
● 2026-08-04 16:31:32

●NSns2.linuxsecurity.com.br2015-09-02 → 2026-08-04 · 2 obs

● 2015-09-02 18:24:56
● 2026-08-04 16:31:32

●NSns3.linuxsecurity.com.br2015-09-02 → 2026-08-04 · 2 obs

● 2015-09-02 18:24:56
● 2026-08-04 16:31:32

●NSns4.linuxsecurity.com.br2026-02-15 → 2026-08-04 · 3 obs

○ 2015-09-02 18:24:56
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-19 09:15:52
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-19 09:15:52
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXaspmx.l.google.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-19 09:15:52
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXaspmx2.googlemail.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-19 09:15:52
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXaspmx3.googlemail.com2026-02-15 → 2026-08-04 · 3 obs

○ 2016-12-19 09:15:52
● 2026-02-15 11:35:10
● 2026-08-04 16:31:32

●MXsrv-mii-1.linuxsecurity.com.br2015-09-02 → 2026-08-04 · 2 obs

● 2015-09-02 18:24:56
● 2026-08-04 16:31:32

○MXsrv-mii-2.linuxsecurity.com.br2015-09-02 → 2016-07-23 · 6 obs

● 2015-09-02 18:24:56
● 2016-01-23 20:18:30
○ 2016-04-13 19:59:20
● 2016-07-23 00:43:18
○ 2016-12-19 09:15:52
○ 2026-08-04 16:31:32

●A189.51.144.42016-04-13 → 2026-08-04 · 3 obs

○ 2016-01-23 20:18:30
● 2016-04-13 19:59:20
● 2026-08-04 16:31:32

○A189.90.102.1902015-09-02 → 2016-01-23 · 4 obs

● 2015-09-02 18:24:56
● 2016-01-23 20:18:30
○ 2016-04-13 19:59:20
○ 2026-08-04 16:31:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	a.dns.br, b.dns.br, c.dns.br, d.dns.br...	-
linuxsecurity.com.br	ns1.linuxsecurity.com.br, ns4.linuxsecurity.com.br, ns3.linuxsecurity.com.br, ns2.linuxsecurity.com.br	4 records

✅ Authoritative Response

Server:201.62.64.18

NS records: ns1.linuxsecurity.com.br, ns4.linuxsecurity.com.br, ns3.linuxsecurity.com.br, ns2.linuxsecurity.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3659ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`189.51.144.4`
NS	3	`ns1.linuxsecurity.com.br, ns2.linuxsecurity.com.br...`
MX	6	`ASPMX3.GOOGLEMAIL.COM (pri: 10), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)...`
TXT	3	`google-site-verification=d-HCbAYi4wtecdV, v=spf1 ip4:189.51.144.4 ip4:201.62.64.14...`
SOA	1	`ns1.linuxsecurity.com.br renato.linuxsec`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.linuxsecurity.com.br, ns2.linuxsecurity.com.br, ns3.linuxsecurity.com.br...)

Analysis

Hierarchy

linuxsecurity.com.br serves as parent to freecode.linuxsecurity.com.br, mailhub.linuxsecurity.com.br, srv-mii-1.linuxsecurity.com.br, ns1.linuxsecurity.com.br, ns4.linuxsecurity.com.br along with a few other host names.

IP Addresses

linuxsecurity.com.br points to a single IP number: 189.51.144.4.

Name Servers

linuxsecurity.com.br has four authoritative name servers: ns1.linuxsecurity.com.br, ns2.linuxsecurity.com.br, ns3.linuxsecurity.com.br and ns4.linuxsecurity.com.br.

ns1.linuxsecurity.com.br has IP address 201.62.64.18, ns2.linuxsecurity.com.br has IP address 201.62.64.12 and ns3.linuxsecurity.com.br has IP address 189.51.144.23 — one address each.

Mail Servers

Mail for linuxsecurity.com.br is routed through 6 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, srv-mii-1.linuxsecurity.com.br and 3 other.

linuxsecurity.com.br shares mail servers — at least in part — with other domains, including leftbrainmedia.com, dotsysteme.com, cookingtoheal.com and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 4 other.

Host names with two IP numbers:

The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.

The A records for aspmx.l.google.com return 64.233.180.26 and 2607:f8b0:4004:c1f::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.