`mail.keystone.com.mx`

CNAME	`keystone.com.mx`
DNSSEC	⚠️ Not signed
A	72.249.57.161^{🇺🇸 TierPoint72.249.48.0/20 LLC}
		PTR	`v219105.neubox.net`
NS	`ns1.rciempresas.co` ⭐
NS	`ns1.rciempresas.com`
		A	72.249.57.161^{🇺🇸 TierPoint72.249.48.0/20 LLC}
			PTR	`v219105.neubox.net`
NS	`ns2.rciempresas.com`
		A	72.249.57.161^{🇺🇸 TierPoint72.249.48.0/20 LLC}
			PTR	`v219105.neubox.net`
MX	`keystone.com.mx` ⭐
		A	72.249.57.161^{🇺🇸 TierPoint72.249.48.0/20 LLC}
			PTR	`v219105.neubox.net`
TXT	`v=spf1 ip4:72.249.57.161 +a +mx include:smtp.relay.serverneubox.com.mx ~all`
SOA	`ns1.rciempresas.co`root@vps.keystone.mx 2026-06-21 #1

`keystone.com.mx`

	DNSSEC	⚠️ Not signed
	A	72.249.57.161^{🇺🇸 TierPoint72.249.48.0/20 LLC}
	NS	`ns1.rciempresas.co` ⭐
	NS	`ns1.rciempresas.com`
	NS	`ns2.rciempresas.com`
	MX	`keystone.com.mx` ⭐
	TXT	`v=spf1 ip4:72.249.57.161 +a +mx include:smtp.relay.serverneubox.com.mx ~all`
	SOA	`ns1.rciempresas.co`root@vps.keystone.mx 2026-06-21 #1

Previously MX for

keystone.com.mx

Same first word

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DNS History

2 records (1 active, 1 former)

○A50.97.221.202015-09-18 → 2016-06-21 · 4 obs

● 2015-09-18 02:11:26
● 2016-06-21 06:21:18
○ 2026-07-17 04:56:16
○ 2026-07-17 04:56:18

●CNAMEkeystone.com.mx2026-07-17 → 2026-07-17 · 2 obs

● 2026-07-17 04:56:16
● 2026-07-17 04:56:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	o.mx-ns.mx, x.mx-ns.mx, i.mx-ns.mx, c.mx-ns.mx...	-
keystone.com.mx	ns1.rciempresas.com, ns2.rciempresas.com	-

✅ Authoritative Response

Server:72.249.57.161

NS records: ns1.rciempresas.com, ns2.rciempresas.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystone.com.mx (unsigned zone)

⏱️ Timing

Total: 716ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`keystone.com.mx`

Analysis

IP Addresses

mail.keystone.com.mx has exactly one IP address — 72.249.57.161.

keystone.com.mx, ns2.rciempresas.com, cpcontacts.stoneway.com.mx plus two other host names have IP numbers in common with mail.keystone.com.mx.

Name Servers

Three name servers are authoritative for mail.keystone.com.mx: ns1.rciempresas.co, ns1.rciempresas.com and ns2.rciempresas.com.

At least some of mail.keystone.com.mx's name servers are shared with other domains, for example stoneway.com.mx and keystone.com.mx.

These name servers tend to be deployed in combination with the name servers ns1.keystone.mx and ns2.keystone.mx.

ns1.rciempresas.com and ns2.rciempresas.com share one IP address between them — 72.249.57.161.

These two host names — ns1.rciempresas.com and ns2.rciempresas.com — each point to 72.249.57.161 IP addresses.

Mail Servers

mail.keystone.com.mx uses one mail server — keystone.com.mx.

mail.keystone.com.mx uses the same mail servers as other domains, including keystone.com.mx.

There is one IP number for keystone.com.mx: 72.249.57.161.

mail.keystone.com.mx - robtex.com