`c4cast.com`

DNSSEC	⚠️ Not signed
A	23.236.62.147^{🇺🇸 Google23.236.62.0/24}
		PTR	`147.62.236.23.bc.googleusercontent.com`
NS	`cbru.br.ns.els-gms.att.net` ⭐
		A	2001:1890:1ff:9f0:68:94:156:132^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`cbru.br.ns.els-gms.att.net`
		A	68.94.156.132^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`cbru.br.ns.els-gms.att.net`
NS	`cmtu.mt.ns.els-gms.att.net`
		A	2001:1890:1ff:9f1:99:99:99:132^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
		A	99.99.99.132^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`cmtu.mt.ns.els-gms.att.net`
MX	`c4cast-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	52.101.11.9^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr02cu00101.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.50.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr02cu00605.inbound.protection.outlook.com`
TXT	`MS=ms18765584`
TXT	`v=spf1 ip4:12.18.28.190/32 ip4:12.18.28.189/32 include:spf.protection.outlook...`
SOA	`cbru.br.ns.els-gms.att.net`rm-hostmaster@ems.att.com serial=32

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784311202

DNS History

7 records (4 active, 3 former)

●NScbru.br.ns.els-gms.att.net2015-08-19 → 2026-07-17 · 2 obs

● 2015-08-19 15:20:50
● 2026-07-17 18:28:50

●NScmtu.mt.ns.els-gms.att.net2015-08-19 → 2026-07-17 · 2 obs

● 2015-08-19 15:20:50
● 2026-07-17 18:28:50

○MXbarracuda.c4cast.com2015-08-19 → 2017-09-05 · 3 obs

● 2015-08-19 15:20:50
● 2017-09-05 02:47:34
○ 2026-07-17 18:28:50

●MXc4cast-com.mail.protection.outlook.com2026-07-17 → 2026-07-17 · 2 obs

○ 2017-09-05 02:47:34
● 2026-07-17 18:28:50

○A12.9.64.112015-12-15 → 2017-09-05 · 4 obs

○ 2015-08-19 15:20:50
● 2015-12-15 23:16:34
● 2017-09-05 02:47:34
○ 2026-07-17 18:28:50

○A12.9.64.72015-08-19 → 2015-08-19 · 3 obs

● 2015-08-19 15:20:50
○ 2015-12-15 23:16:34
○ 2026-07-17 18:28:50

●A23.236.62.1472026-07-17 → 2026-07-17 · 2 obs

○ 2017-09-05 02:47:34
● 2026-07-17 18:28:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
c4cast.com	cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net	-

✅ Authoritative Response

Server:68.94.156.132

NS records: cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c4cast.com (unsigned zone)

⏱️ Timing

Total: 199ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.236.62.147`
NS	2	`cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net`
MX	1	`c4cast-com.mail.protection.outlook.com (`
TXT	2	`v=spf1 ip4:12.18.28.190/32 ip4:12.18.28., MS=ms18765584`
SOA	1	`cbru.br.ns.els-gms.att.net rm-hostmaster`

Analysis

IP Addresses

c4cast.com has exactly one IP address — 23.236.62.147.

desguru.com, comsys.com.ar, inmantransport.com plus two other host names have IP numbers in common with c4cast.com.

Name Servers

c4cast.com uses two name servers for its delegation: cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.

The name server configuration of c4cast.com is shared with other domains, for instance 253.249.199.in-addr.arpa, mycpf.com, 128-27.25.39.12.in-addr.arpa and two others.

c4cast.com has at least partial name server overlap with other domains, such as trendsrx.com, 360steelcase.com, 97.74.68.in-addr.arpa and two others.

dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net and dns3.carnival.com — plus 7 other name servers — are commonly paired with these name servers.

The two host names cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net each have a pair of IP addresses: cbru.br.ns.els-gms.att.net has 68.94.156.132 and 2001:1890:1ff:9f0:68:94:156:132, and cmtu.mt.ns.els-gms.att.net has 99.99.99.132 and 2001:1890:1ff:9f1:99:99:99:132.

Mail Servers

c4cast.com uses one mail server — c4cast-com.mail.protection.outlook.com.

c4cast-com.mail.protection.outlook.com has 8 IP addresses: 52.101.11.9, 52.101.40.0, 52.101.41.183 plus 5 more.

c4cast.com - robtex.com

c4cast.com

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