reference.com.br - robtex.com
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=2026156118 | ||||||
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
○ 2026-06-05 04:58:26
○NSns1.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
●NSns1.nexcess.net2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
○NSns2.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
●NSns2.nexcess.net2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
○NSns3.locaweb.com.br2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
●NSns3.nexcess.net2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
●NSns4.nexcess.net2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
●MXalt1.aspmx.l.google.com2015-07-06 → 2026-06-05 · 2 obs
● 2026-06-05 04:58:26
●MXalt2.aspmx.l.google.com2015-07-06 → 2026-06-05 · 2 obs
● 2026-06-05 04:58:26
●MXalt3.aspmx.l.google.com2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
●MXalt4.aspmx.l.google.com2026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
●MXaspmx.l.google.com2015-07-06 → 2026-06-05 · 2 obs
● 2026-06-05 04:58:26
○MXaspmx2.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
○MXaspmx3.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
○MXaspmx4.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
○MXaspmx5.googlemail.com2015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
○A187.45.193.2132015-07-06 → 2017-08-17 · 4 obs
● 2017-08-17 00:31:50
○ 2026-03-16 06:41:56
○ 2026-06-05 04:58:26
●A207.246.254.2092026-03-16 → 2026-06-05 · 3 obs
● 2026-03-16 06:41:56
● 2026-06-05 04:58:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | c.dns.br, f.dns.br, a.dns.br, b.dns.br... | - |
| reference.com.br | ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net, ns4.nexcess.net | - |
✅ Authoritative Response
Server:192.240.188.144
NS records: ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net, ns4.nexcess.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for reference.com.br (unsigned zone)
⏱️ Timing
Total: 1858ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.246.254.209 |
| NS | 4 | ns4.nexcess.net, ns2.nexcess.net... |
| MX | 5 | alt1.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 +a +mx include:_spf.google.com ip, google-site-verification=fb3crMKtA3PHQZm |
| SOA | 1 | ns1.nexcess.net hostmaster.reference.com |
Analysis
Hierarchy
www.reference.com.br is delegated beneath reference.com.br.
IP Addresses
reference.com.br resolves to just one IP address, 207.246.254.209.
Two other host names, along with www.tresdiasnj.org, sflwa.net and www.zpllp.com, also share IP numbers with reference.com.br.
Name Servers
reference.com.br carries NS records pointing to 4 name servers: ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net and ns4.nexcess.net.
There is at least partial name server overlap between reference.com.br and other domains — buildyourwillys.com, wyoming-radon.com, bejahworld.com and two more among them.
These name servers tend to appear in combination with the name servers ns5.nexcess.net, ns6.nexcess.net, ns7.nexcess.net and ns8.nexcess.net.
All four hostnames — ns1.nexcess.net, ns2.nexcess.net, ns3.nexcess.net and ns4.nexcess.net — resolve to two IP numbers apiece: ns1.nexcess.net to 192.240.188.188 and 2607:f7c0:8001::a; ns2.nexcess.net to 192.240.188.166 and 2607:f7c0:8002::a; ns3.nexcess.net to 192.240.188.144 and 2607:f7c0:8001::b; ns4.nexcess.net to 192.240.188.122 and 2607:f7c0:8002::b.
Mail Servers
The MX records for reference.com.br point to 5 mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between reference.com.br and other domains, including hiyara.com, ns500599.ns500737.ns500737.ns500724.ns500599.ns500599.ns500583.ns500599.ns500682.ns500583.www.yummyflingsfinder.com, ziagroup.org and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com maps to two IP addresses — 173.194.45.27 and 2607:f8b0:4004:c1b::1b.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 173.194.76.26 and 2a00:1450:400c:c00::1a.