🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mx1104.c3telecom.com.br`

DNSSEC	⚠️ Not signed
A	191.253.79.121^{🇧🇷 AS262891-MI191.253.72.0/21 Proxy-registered route object}
		PTR	`mx1104.c3telecom.com.br`
NS	`ns1.c3telecom.com.br` ⭐ ⚠️ Not in parent delegation
		A	177.23.71.166^{🇧🇷 AS262891-MI177.23.64.0/21 This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc@commcorp.com.br if you have any questions regarding this object.}
			PTR	`ns1.c3telecom.psi.br`
NS	`ns2.c3telecom.com.br` ⚠️ Not in parent delegation
		A	177.23.71.167^{🇧🇷 AS262891-MI177.23.64.0/21 This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc@commcorp.com.br if you have any questions regarding this object.}
			PTR	`ns2.c3telecom.psi.br`
NS	`ns3.c3telecom.com.br` ⚠️ Not in parent delegation
		A	177.23.71.168^{🇧🇷 AS262891-MI177.23.64.0/21 This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc@commcorp.com.br if you have any questions regarding this object.}
			PTR	`ns3.c3telecom.psi.br`
NS	`ns4.c3telecom.com.br` ⚠️ Not in parent delegation
		A	177.23.71.169^{🇧🇷 AS262891-MI177.23.64.0/21 This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc@commcorp.com.br if you have any questions regarding this object.}
			PTR	`ns4.c3telecom.psi.br`
MX	`mx1104.c3telecom.com.br` ⭐
		A	191.253.79.121^{🇧🇷 AS262891-MI191.253.72.0/21 Proxy-registered route object}
			PTR	`mx1104.c3telecom.com.br`
TXT	`v=spf1 +mx +a +ip4:191.253.79.121 -all`
SOA	`ns1.c3telecom.com.br`root@mx1104.c3telecom.com.br 2025-09-02 #0

`c3telecom.com.br`

	DNSSEC	⚠️ Not signed
	A	177.23.70.250^{🇧🇷 AS262891-MI177.23.64.0/21 This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc@commcorp.com.br if you have any questions regarding this object.}
	NS	`ns1.c3telecom.com.br` ⭐
	NS	`ns2.c3telecom.com.br`
	NS	`ns3.c3telecom.com.br`
	NS	`ns4.c3telecom.com.br`
	MX	`mx1101.c3telecom.com.br` ⭐
	TXT	`facebook-domain-verification=jgm42u55aomvlxvl4ooxafjb8nbpb6`
	TXT	`v=spf1 +a +mx +ip4:177.23.70.246 +ip4:177.23.70.253 +ip4:177.23.71.61+a +a:mx...`
	SOA	`ns1.c3telecom.com.br`noc@c3telecom.com.br 2026-05-14 #2

PTR for

121.79.253.191.in-addr.arpa

MX for

c3telecom.inf.br

mx1104.c3telecom.com.br

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mx1014.workers.dev

xm1014.now.sh

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xm1014.pages.dev

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSns1.c3telecom.com.br2026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

●NSns2.c3telecom.com.br2026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

●NSns3.c3telecom.com.br2026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

●NSns4.c3telecom.com.br2026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

●MXmx1104.c3telecom.com.br2026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

●A191.253.79.1212026-02-27 → 2026-10-15 · 2 obs

● 2026-02-27 12:43:08
● 2026-10-15 23:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	e.dns.br, b.dns.br, c.dns.br, a.dns.br...	-
c3telecom.com.br	ns4.c3telecom.com.br, ns1.c3telecom.com.br, ns2.c3telecom.com.br, ns3.c3telecom.com.br	4 records

✅ Authoritative Response

Server:177.23.71.169

NS records: ns4.c3telecom.com.br, ns1.c3telecom.com.br, ns2.c3telecom.com.br, ns3.c3telecom.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c3telecom.com.br (unsigned zone)

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`191.253.79.121`
NS	4	`ns3.c3telecom.com.br, ns2.c3telecom.com.br...`
MX	1	`mx1104.c3telecom.com.br (pri: 0)`
TXT	1	`v=spf1 +mx +a +ip4:191.253.79.121 -all`
SOA	1	`ns1.c3telecom.com.br root.mx1104.c3telec`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.c3telecom.com.br, ns2.c3telecom.com.br, ns3.c3telecom.com.br...)

Analysis

Mail Server Role

Both c3telecom.inf.br and mx1104.c3telecom.com.br use mx1104.c3telecom.com.br as their mail server.

IP Addresses

mx1104.c3telecom.com.br directs to one IP number, which is 191.253.79.121.

Name Servers

The domain mx1104.c3telecom.com.br is delegated to these four name servers: ns1.c3telecom.com.br, ns2.c3telecom.com.br, ns3.c3telecom.com.br and ns4.c3telecom.com.br.

At least some of mx1104.c3telecom.com.br's name servers are shared with other domains, for example girazzi.com.br, mx1105.c3telecom.com.br, atacadoavenida.com.br and two more.

These name servers tend to co-occur with ns1.c3telecom.psi.br, ns2.c3telecom.psi.br, ns3.c3telecom.psi.br and 7 other name servers in the same DNS delegations.

ns1.c3telecom.com.br resolves to 177.23.71.166. ns2.c3telecom.com.br resolves to 177.23.71.167. ns3.c3telecom.com.br resolves to 177.23.71.168. ns4.c3telecom.com.br resolves to 177.23.71.169. All four hosts carry exactly one IP address.

Mail Servers

The MX record for mx1104.c3telecom.com.br points to a single mail server: mx1104.c3telecom.com.br.

mx1104.c3telecom.com.br and domains like c3telecom.inf.br share an identical mail server configuration.

mx1104.c3telecom.com.br resolves to 191.253.79.121 and no other IP number.

mx1104.c3telecom.com.br - robtex.com