refcomunicacao.com.br - robtex.com
refcomunicacao.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=2026116056 | ||||||
rank #4092 in the tld
WOT: SAFE (69/100)
Same first word
refcomunicacao.com.br |
DNS History
11 records (7 active, 4 former)
●NSa.sec.dns.br2026-04-07 → 2026-04-26 · 3 obs
● 2026-04-07 17:10:22
● 2026-04-26 02:41:20
●NSb.sec.dns.br2026-04-07 → 2026-04-26 · 3 obs
● 2026-04-07 17:10:22
● 2026-04-26 02:41:20
○NSns1.dominios.uol.com.br2015-06-27 → 2018-09-09 · 4 obs
● 2018-09-09 06:45:32
○ 2026-04-07 17:10:22
○ 2026-04-26 02:41:20
●MXalt1.aspmx.l.google.com2016-05-01 → 2026-04-26 · 3 obs
● 2016-05-01 04:43:18
● 2026-04-26 02:41:20
●MXalt2.aspmx.l.google.com2016-05-01 → 2026-04-26 · 3 obs
● 2016-05-01 04:43:18
● 2026-04-26 02:41:20
●MXalt3.aspmx.l.google.com2016-05-01 → 2026-04-26 · 3 obs
● 2016-05-01 04:43:18
● 2026-04-26 02:41:20
●MXalt4.aspmx.l.google.com2016-05-01 → 2026-04-26 · 3 obs
● 2016-05-01 04:43:18
● 2026-04-26 02:41:20
●MXaspmx.l.google.com2016-05-01 → 2026-04-26 · 3 obs
● 2016-05-01 04:43:18
● 2026-04-26 02:41:20
○MXmx.uhserver.com2015-06-27 → 2016-02-12 · 4 obs
● 2016-02-12 05:47:42
○ 2016-05-01 04:43:18
○ 2026-04-26 02:41:20
○A187.17.111.472018-09-09 → 2018-09-09 · 4 obs
● 2018-09-09 06:45:32
○ 2026-04-07 17:10:22
○ 2026-04-26 02:41:20
○A187.17.96.412015-06-27 → 2017-01-22 · 4 obs
● 2017-01-22 18:01:54
○ 2018-09-09 06:45:32
○ 2026-04-26 02:41:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| refcomunicacao.com.br | a.sec.dns.br, b.sec.dns.br | - |
✅ Authoritative Response
Server:200.192.232.11
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: 1181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.sec.dns.br, b.sec.dns.br |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | google-site-verification=(0x736578)XzGAXxyrCTaB |
| SOA | 1 | a.sec.dns.br hostmaster.registro.br |
Analysis
Name Servers
Two name servers a.sec.dns.br and b.sec.dns.br handle delegation for refcomunicacao.com.br.
refcomunicacao.com.br uses the same name server setup as other domains, for example oricana.com.br, dotcast.com.br, cristalmar.com.br, portaluniversoagua.com.br and ctvlog.com.br.
refcomunicacao.com.br partially shares name servers with other domains; examples include desembrulha.com.br, lopesfilho.com.br, multimaquinasdecostura.com.br, bancantiga.com.br and flexglass.com.br.
these name servers are commonly used with the name servers c.sec.dns.br.
Host names with two IP numbers:
a.sec.dns.br points to: 2001:12ff::11 and 200.160.0.11
b.sec.dns.br points to: 2001:12f8:b:1::11 and 200.192.232.11
Mail Servers
Five mail servers handle refcomunicacao.com.br: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
refcomunicacao.com.br shares some mail servers with other domains, at least partially, such as baypr.com.au, ns500742.ns500731.ns500754.ns500731.ns500754.ns500731.ns500742.ns500671.ns500671.ns500705.ns500704.ns500678.ns500649.tenderladiesbz.com, ns500742.ns500731.ns500742.ns500742.ns500671.ns500704.ns500742.ns500705.ns500671.ns500705.ns500678.ns500671.ns500649.ns500688.ns500649.ns500649.ns500666.tenderladiesbz.com, ns500759.ns500758.ns500759.ns500759.ns500758.ns500759.ns500698.ns500698.ns500698.ns500698.ns500698.ns500619.ns500686.ns500652.trackreceptor.com and ns500693.ns500734.ns500699.ns500699.ns500699.ns500693.ns500699.ns500734.ns500693.ns500588.ns500699.ns500588.ns500632.ns500588.ns500588.dtrkdll.com.
These mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to: 2607:f8b0:4004:c19::1a and 64.233.180.26
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1a and 108.177.123.27
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.27