guide4.com.br - dns.ninja
guide4.com.br
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.brhostmaster@registro.br serial=2026183298 | ||||||
rank #4082 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NS300.pre-lude.com2015-07-20 → 2017-02-20 · 4 obs
● 2017-02-20 05:14:58
○ 2026-02-28 03:56:20
○ 2026-07-02 12:54:54
○NS301.pre-lude.com2015-07-20 → 2017-02-20 · 4 obs
● 2017-02-20 05:14:58
○ 2026-02-28 03:56:20
○ 2026-07-02 12:54:54
●NSa.sec.dns.br2026-02-28 → 2026-07-02 · 3 obs
● 2026-02-28 03:56:20
● 2026-07-02 12:54:54
●NSc.sec.dns.br2026-02-28 → 2026-07-02 · 3 obs
● 2026-02-28 03:56:20
● 2026-07-02 12:54:54
●MXalt1.aspmx.l.google.com2015-07-20 → 2026-07-02 · 2 obs
● 2026-07-02 12:54:54
●MXalt2.aspmx.l.google.com2015-07-20 → 2026-07-02 · 2 obs
● 2026-07-02 12:54:54
●MXalt3.aspmx.l.google.com2026-02-28 → 2026-07-02 · 3 obs
● 2026-02-28 03:56:20
● 2026-07-02 12:54:54
●MXalt4.aspmx.l.google.com2026-02-28 → 2026-07-02 · 3 obs
● 2026-02-28 03:56:20
● 2026-07-02 12:54:54
●MXaspmx.l.google.com2015-07-20 → 2026-07-02 · 2 obs
● 2026-07-02 12:54:54
○MXaspmx2.googlemail.com2015-07-20 → 2017-02-20 · 4 obs
● 2017-02-20 05:14:58
○ 2026-02-28 03:56:20
○ 2026-07-02 12:54:54
○MXaspmx3.googlemail.com2015-07-20 → 2017-02-20 · 4 obs
● 2017-02-20 05:14:58
○ 2026-02-28 03:56:20
○ 2026-07-02 12:54:54
○A198.136.51.502015-07-20 → 2017-02-20 · 4 obs
● 2017-02-20 05:14:58
○ 2026-02-28 03:56:20
○ 2026-07-02 12:54:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| guide4.com.br | a.sec.dns.br, c.sec.dns.br | - |
✅ Authoritative Response
Server:200.189.40.11
NS records: a.sec.dns.br, c.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1952ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | c.sec.dns.br, a.sec.dns.br |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
Name Servers
guide4.com.br uses two name servers for its delegation: a.sec.dns.br and c.sec.dns.br.
guide4.com.br has the same name server delegation as a number of other domains, such as bancadoholandes.com.br, pimenta(0x736578)y.com.br, panelao.net.br and two more.
guide4.com.br partially shares its NS delegation with several other domains, including florestafazadiferenca.org.br, conexaovip.com.br, interagire.com.br and two others.
These name servers often co-occur with the name servers b.sec.dns.br.
The two host names a.sec.dns.br and c.sec.dns.br each have a pair of IP addresses: a.sec.dns.br has 200.160.0.11 and 2001:12ff::11, and c.sec.dns.br has 200.189.40.11 and 2001:12f8:9:1::11.
Mail Servers
Mail for guide4.com.br is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
guide4.com.br shares at least some of its mail servers with other domains — for example gfsandt.com, isidenver.net, bulldogwater.jp and two more.
It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.
Hosts with two IP numbers each:
aspmx.l.google.com directs traffic to 142.251.163.26 and 2607:f8b0:4004:c17::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.