`cac1.rb.org`

DNSSEC	⚠️ Not signed
A	139.64.246.184^{🇨🇦 DATACITY-1139.64.244.0/22 CAC}
MX	`cac1.rb.org` ⭐
		A	139.64.246.184^{🇨🇦 DATACITY-1139.64.244.0/22 CAC}
TXT	`v=spf1 ip4:72.250.121.109 ip4:139.64.246.184 include:cac1.rb.org include:cac....`

`rb.org`

	DNSSEC	⚠️ Not signed
	A	72.250.121.109^{🇺🇸 Flexential72.250.120.0/21}
	NS	`x.ns.joker.com` ⭐
	NS	`y.ns.joker.com`
	NS	`z.ns.joker.com`
	MX	`rb.org` ⭐
	MX	`youth.net`⁽⁸⁰⁾
	TXT	`v=spf1 ip4:72.250.121.109 ip4:139.64.246.184 -all`
	SOA	`x.ns.joker.com`hostmaster@joker.com 2025-07-12 #24

Previously NS for

rb.org

MX for

cac1.rb.org

Same first word

cac1.com

Similar names

a1cc.cn

cca1.com

ca1c.com

cc1a.com

a1cc.com

ca1c.pro

1acc.com

1cca.com

c1ac.com

cca1.org

acc1.co.jp

acc1.biz

cca1.co

acc1.org

DNS History

2 records (2 active, 0 former)

●MXcac1.rb.org2026-03-11 → 2026-05-09 · 2 obs

● 2026-03-11 12:07:14
● 2026-05-09 20:30:50

●A139.64.246.1842026-03-11 → 2026-05-09 · 2 obs

● 2026-03-11 12:07:14
● 2026-05-09 20:30:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rb.org	y.ns.joker.com, x.ns.joker.com, z.ns.joker.com	-

✅ Authoritative Response

Server:194.245.103.13

NS records: y.ns.joker.com, x.ns.joker.com, z.ns.joker.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rb.org (unsigned zone)

⏱️ Timing

Total: 525ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.64.246.184`
MX	1	`cac1.rb.org (pri: 50)`
TXT	1	`v=spf1 ip4:72.250.121.109 ip4:139.64.246`

Analysis

Mail Server Role

cac1.rb.org serves as the mail server for cac1.rb.org.

IP Addresses

cac1.rb.org points to an IP address: 139.64.246.184.

Mail Servers

cac1.rb.org is handled by a single mail server.

The host name cac1.rb.org points to IP 139.64.246.184.

cac1.rb.org - robtex.com

cac1.rb.org

rb.org