efer.com.br - dns.ninja
efer.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=2026203170 | ||||||
rank #3775 in the tld
WOT: SAFE (69/100)
Subdomains
Same first word
efer.org |
efer.com |
efer.es |
efer.red |
efer.be |
efer.de |
efer.io |
efer.org.pl |
efer.ru |
efer.eu |
efer.nl |
efer.com.br |
efer.net |
efer.fr |
efer.biz |
Similar names
DNS History
17 records (10 active, 7 former)
○NSr4c01.r4cnet.com.br2015-05-25 → 2015-05-25 · 3 obs
○ 2015-10-08 23:15:28
○ 2026-07-22 07:32:36
●NSr4c02.r4cnet.com.br2015-05-25 → 2026-07-22 · 5 obs
● 2015-12-31 00:25:28
○ 2016-04-05 19:33:58
● 2020-11-17 12:43:16
● 2026-07-22 07:32:36
●NSr4c04.r4cnet.com.br2015-10-08 → 2026-07-22 · 3 obs
● 2015-10-08 23:15:28
● 2026-07-22 07:32:36
●NSr4c05.r4cnet.com.br2015-10-08 → 2026-07-22 · 3 obs
● 2015-10-08 23:15:28
● 2026-07-22 07:32:36
●NSr4c07.r4cnet.com.br2016-04-05 → 2026-07-22 · 3 obs
● 2016-04-05 19:33:58
● 2026-07-22 07:32:36
●MXalt1.aspmx.l.google.com2015-05-25 → 2026-07-22 · 2 obs
● 2026-07-22 07:32:36
●MXalt2.aspmx.l.google.com2015-05-25 → 2026-07-22 · 2 obs
● 2026-07-22 07:32:36
●MXaspmx.l.google.com2015-05-25 → 2026-07-22 · 2 obs
● 2026-07-22 07:32:36
●MXaspmx2.googlemail.com2015-05-25 → 2026-07-22 · 2 obs
● 2026-07-22 07:32:36
●MXaspmx3.googlemail.com2015-05-25 → 2026-07-22 · 2 obs
● 2026-07-22 07:32:36
●A177.87.83.372020-11-17 → 2026-07-22 · 3 obs
● 2020-11-17 12:43:16
● 2026-07-22 07:32:36
○A191.252.47.1082015-10-08 → 2017-08-07 · 5 obs
● 2015-10-08 23:15:28
● 2017-08-07 07:45:20
○ 2020-11-17 12:43:16
○ 2026-07-22 07:32:36
○A200.234.196.882015-05-25 → 2015-05-25 · 3 obs
○ 2015-10-08 23:15:28
○ 2026-07-22 07:32:36
○A216.239.32.212015-05-25 → 2017-08-07 · 4 obs
● 2017-08-07 07:45:20
○ 2020-11-17 12:43:16
○ 2026-07-22 07:32:36
○A216.239.34.212015-05-25 → 2017-08-07 · 4 obs
● 2017-08-07 07:45:20
○ 2020-11-17 12:43:16
○ 2026-07-22 07:32:36
○A216.239.36.212015-05-25 → 2017-08-07 · 4 obs
● 2017-08-07 07:45:20
○ 2020-11-17 12:43:16
○ 2026-07-22 07:32:36
○A216.239.38.212015-05-25 → 2017-08-07 · 4 obs
● 2017-08-07 07:45:20
○ 2020-11-17 12:43:16
○ 2026-07-22 07:32:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | b.dns.br, f.dns.br, a.dns.br, e.dns.br... | 12 records |
| efer.com.br | r4c04.r4cnet.com.br, r4c05.r4cnet.com.br | - |
✅ Authoritative Response
Server:177.87.83.177
NS records: r4c04.r4cnet.com.br, r4c05.r4cnet.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for efer.com.br (unsigned zone)
⏱️ Timing
Total: 1301ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.87.83.37 |
| NS | 4 | r4c04.r4cnet.com.br, r4c07.r4cnet.com.br... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), aspmx2.googlemail.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=0m8CRuJqR0LFhZF |
| SOA | 1 | r4c04.r4cnet.com.br carlos.r4c.com.br |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (f.dns.br, e.dns.br, d.dns.br...)
Analysis
Hierarchy
pop.efer.com.br and www.efer.com.br each fall under efer.com.br as their parent domain.
IP Addresses
efer.com.br resolves to just one IP address, 177.87.83.37.
Other host names, such as www.efer.com.br, share IP numbers with efer.com.br.
Name Servers
The NS records for efer.com.br point to four name servers: r4c02.r4cnet.com.br, r4c04.r4cnet.com.br, r4c05.r4cnet.com.br and r4c07.r4cnet.com.br.
efer.com.br partially shares its NS delegation with several other domains, including 81.87.177.in-addr.arpa, 80.87.177.in-addr.arpa, grupofedcorp.com.br and two others.
The hosts r4c02.r4cnet.com.br, r4c04.r4cnet.com.br, r4c05.r4cnet.com.br and r4c07.r4cnet.com.br all resolve to exactly one IP address each: 177.87.80.4, 177.87.80.6, 177.87.83.177 and 177.87.80.3 respectively.
Mail Servers
efer.com.br is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between efer.com.br and other domains, including cipaseguros.com.br, klahc.com, appx.pt and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com points to 64.233.180.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1b IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1a IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.26 IP addresses.