groundzero.com.br - dns.ninja
groundzero.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=2026198358 | ||||||
rank #3892 in the tld
WOT: SAFE (69/100)
Subdomains
Same first word
Similar names
DNS History
14 records (11 active, 3 former)
○NSa.sec.dns.br2015-08-09 → 2015-12-27 · 4 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
○ 2026-07-17 15:18:06
○NSb.sec.dns.br2015-08-09 → 2015-12-27 · 4 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
○ 2026-07-17 15:18:06
●NSd.sec.dns.br2016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●NSe.sec.dns.br2016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXalt1.aspmx.l.google.com2015-08-09 → 2026-07-17 · 5 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXalt2.aspmx.l.google.com2015-08-09 → 2026-07-17 · 5 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXaspmx.l.google.com2015-08-09 → 2026-07-17 · 5 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXaspmx2.googlemail.com2015-08-09 → 2026-07-17 · 5 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXaspmx3.googlemail.com2015-08-09 → 2026-07-17 · 5 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXaspmx4.googlemail.com2016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXaspmx5.googlemail.com2016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●MXmx01.groundzero.com.br2016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
●A186.219.44.42016-08-13 → 2026-07-17 · 3 obs
● 2016-08-13 18:18:32
● 2026-07-17 15:18:06
○A201.23.203.22015-08-09 → 2015-12-27 · 4 obs
● 2015-12-27 14:10:12
○ 2016-03-26 18:25:24
○ 2026-07-17 15:18:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| groundzero.com.br | d.sec.dns.br, e.sec.dns.br | - |
✅ Authoritative Response
Server:200.160.0.14
NS records: d.sec.dns.br, e.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 4678ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 186.219.44.4 |
| NS | 2 | d.sec.dns.br, e.sec.dns.br |
| MX | 8 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 1 | v=spf1 include:aspmx.googlemail.com ~all |
| SOA | 1 | d.sec.dns.br hostmaster.registro.br |
Analysis
Hierarchy
www.groundzero.com.br and mx01.groundzero.com.br are both subdomains of groundzero.com.br.
IP Addresses
groundzero.com.br resolves to one IP address: 186.219.44.4.
Other host names, among them www.groundzero.com.br and mx01.groundzero.com.br, have IP numbers in common with groundzero.com.br.
Name Servers
groundzero.com.br has two authoritative name servers — d.sec.dns.br and e.sec.dns.br.
groundzero.com.br uses the same name servers as several other domains — among them megaoptica.com.br, statussemijoias.com.br, bazarcida.com.br and two more.
At least some of groundzero.com.br's name servers are shared with other domains, for example pcsystems.com.br, exception.com.br, marimalpighi.com.br and two more.
These name servers tend to be used in conjunction with the name servers f.sec.dns.br.
Both d.sec.dns.br and e.sec.dns.br have two IP addresses each. d.sec.dns.br resolves to 200.160.0.14 and 2001:12ff::14; e.sec.dns.br resolves to 200.192.232.14 and 2001:12f8:b:1::14.
Mail Servers
groundzero.com.br uses 8 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 5 other.
groundzero.com.br has at least partial mail server overlap with other domains such as jonathan.so, ns500742.ns500731.ns500731.ns500742.ns500742.ns500742.ns500671.ns500704.ns500671.ns500291.ns500649.ns500671.ns500649.ns500666.ns500291.ns500131.lustychickser.com, ns500754.ns500731.ns500671.ns500671.ns500671.ns500705.ns500688.ns500705.ns500671.ns500291.ns500688.ns500671.ns500666.tenderladiesbz.com and two more.
These mail servers commonly co-occur with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com resolves to 142.251.163.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
Hosts with just one IP address:
mx01.groundzero.com.br resolves to 186.219.44.4.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.27 IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1b IP addresses.