reference.com.br - dns.ninja
reference.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=2026155186 | ||||||
rank #4067 in the tld
WOT: SAFE (69/100)
Subdomains
www.reference.com.br |
Same first word
Similar names
DNS History
19 records (10 active, 9 former)
○NShm232015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
○NSns1.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
●NSns1.nexcess.net2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
○NSns2.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
●NSns2.nexcess.net2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
○NSns3.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
●NSns3.nexcess.net2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
●NSns4.nexcess.net2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
●MXalt1.aspmx.l.google.com2015-07-06 → 2026-06-04 · 2 obs
● 2026-06-04 07:51:20
●MXalt2.aspmx.l.google.com2015-07-06 → 2026-06-04 · 2 obs
● 2026-06-04 07:51:20
●MXalt3.aspmx.l.google.com2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
●MXalt4.aspmx.l.google.com2026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
●MXaspmx.l.google.com2015-07-06 → 2026-06-04 · 2 obs
● 2026-06-04 07:51:20
○MXaspmx2.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
○MXaspmx3.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
○MXaspmx4.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
○MXaspmx5.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
○A187.45.193.2132015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-04 07:51:20
●A207.246.254.2092026-03-16 → 2026-06-04 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-04 07:51:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, e.dns.br, d.dns.br, a.dns.br... | - |
| reference.com.br | ns4.nexcess.net, ns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net | - |
✅ Authoritative Response
Server:192.240.188.122
NS records: ns4.nexcess.net, ns2.nexcess.net, ns1.nexcess.net, ns3.nexcess.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for reference.com.br (unsigned zone)
⏱️ Timing
Total: 975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.246.254.209 |
| NS | 4 | ns3.nexcess.net, ns2.nexcess.net... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | google-site-verification=fb3crMKtA3PHQZm, v=spf1 +a +mx include:_spf.google.com ip |
| SOA | 1 | ns1.nexcess.net hostmaster.reference.com |
Analysis
Hierarchy
www.reference.com.br is a subdomain of reference.com.br.
IP Addresses
reference.com.br directs to one IP number, which is 207.246.254.209.
Among the host names that share IP numbers with reference.com.br are www.tresdiasnj.org, sflwa.net, www.zpllp.com and two others.
Name Servers
DNS for reference.com.br is handled by 4 name servers: ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net and ns4.nexcess.net.
The name servers of reference.com.br overlap at least partially with those of other domains — among them buildyourwillys.com, wyoming-radon.com, bejahworld.com and two more.
These name servers commonly co-occur with the name servers ns5.nexcess.net, ns6.nexcess.net, ns7.nexcess.net and ns8.nexcess.net.
Each of the four hosts ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net and ns4.nexcess.net has two IP addresses. ns1.nexcess.net points to 192.240.188.188 and 2607:f7c0:8001::a. ns2.nexcess.net points to 192.240.188.166 and 2607:f7c0:8002::a. ns3.nexcess.net points to 192.240.188.144 and 2607:f7c0:8001::b. ns4.nexcess.net points to 192.240.188.122 and 2607:f7c0:8002::b.
Mail Servers
reference.com.br uses 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com plus two additional ones.
reference.com.br shares at least some of its mail servers with other domains — for example hiyara.com, ns500599.ns500737.ns500737.ns500724.ns500599.ns500599.ns500583.ns500599.ns500682.ns500583.www.yummyflingsfinder.com, ziagroup.org and two more.
It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.
Hosts with two IP numbers each:
aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com has two IP addresses: 142.250.147.27 and 2a00:1450:4025:c01::1a.