backcom.com.br - dns.ninja
backcom.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=2026164502 | ||||||
rank #3866 in the tld
WOT: SAFE (69/100)
MX for
backcom.com.br |
Subdomains
www.backcom.com.br |
Same first word
Similar names
comback.net |
comback.co |
comback.ch |
macbock.com |
comback.eu |
comback.fr |
bmackco.com |
comback.cn |
comback.org |
comback.de |
comback.com |
comback.se |
DNS History
13 records (9 active, 4 former)
●NSa.sec.dns.br2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●NSb.sec.dns.br2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXalt1.aspmx.l.google.com2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXalt2.aspmx.l.google.com2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXaspmx.l.google.com2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXaspmx2.googlemail.com2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXaspmx3.googlemail.com2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
●MXbackcom.com.br2015-07-04 → 2026-06-13 · 2 obs
● 2026-06-13 21:02:22
○A18.219.200.512020-01-04 → 2020-01-04 · 4 obs
● 2020-01-04 06:02:04
○ 2026-04-18 21:58:00
○ 2026-06-13 21:02:22
○A208.113.133.1952015-07-04 → 2015-11-14 · 4 obs
● 2015-11-14 18:29:30
○ 2016-02-10 15:15:44
○ 2026-06-13 21:02:22
●A216.239.32.212026-04-18 → 2026-06-13 · 3 obs
● 2026-04-18 21:58:00
● 2026-06-13 21:02:22
○A35.164.219.112017-03-20 → 2017-03-20 · 4 obs
● 2017-03-20 18:05:54
○ 2020-01-04 06:02:04
○ 2026-06-13 21:02:22
○A69.64.32.1862016-02-10 → 2016-07-07 · 5 obs
● 2016-02-10 15:15:44
● 2016-07-07 13:44:14
○ 2017-03-20 18:05:54
○ 2026-06-13 21:02:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| backcom.com.br | a.sec.dns.br, b.sec.dns.br | - |
✅ Authoritative Response
Server:200.160.0.11
NS records: a.sec.dns.br, b.sec.dns.br
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.239.32.21 |
| NS | 2 | b.sec.dns.br, a.sec.dns.br |
| MX | 6 | aspmx3.googlemail.com (pri: 10), aspmx.l.google.com (pri: 1)... |
| TXT | 1 | google-site-verification=hJ8zOh83uOK0VXk |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
Hierarchy
backcom.com.br is the parent zone for www.backcom.com.br.
Mail Server Role
The MX record for backcom.com.br points back to backcom.com.br — it is its own mail server.
The mail servers aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx.l.google.com are commonly grouped with backcom.com.br.
IP Addresses
backcom.com.br directs to one IP number, which is 216.239.32.21.
Among the host names that share IP numbers with backcom.com.br are klaeyle.fr, epro-accounting.com, accpro.biz and two others.
Name Servers
Two name servers handle the delegation for backcom.com.br: a.sec.dns.br and b.sec.dns.br.
backcom.com.br has the same name server delegation as a number of other domains, such as lojasprolar.com.br, farmaecia.com.br, priceti.com.br and two more.
backcom.com.br partially shares its NS delegation with several other domains, including pergunteaoprofessor.com.br, eeds.com.br, medmedic.com.br and two others.
These name servers often co-occur with the name servers c.sec.dns.br.
a.sec.dns.br and b.sec.dns.br both carry two IP addresses. The A records for a.sec.dns.br are 200.160.0.11 and 2001:12ff::11; the A records for b.sec.dns.br are 200.192.232.11 and 2001:12f8:b:1::11.
Mail Servers
The MX records for backcom.com.br point to 6 mail servers; among them: backcom.com.br, aspmx2.googlemail.com, aspmx3.googlemail.com and 3 other.
backcom.com.br shares at least some of its mail servers with other domains — for example ostfl.org, anysphere.co, herweier.nl and two more.
It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to two addresses: 142.251.16.27 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
Host names with one IP number:
The hostname backcom.com.br resolves to 216.239.32.21.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.