`mail.rbnlab.com.mx`

CNAME	`rbnlab.com.mx`
DNSSEC	⚠️ Not signed
A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
		PTR	`plesk.mxshosting.com`
NS	`ns2.sitiosmx.com` ⭐ ⚠️ Not in parent delegation
		A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
			PTR	`plesk.mxshosting.com`
NS	`ns1.mxsnet.com` ⚠️ Not in zone NS records
		A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
			PTR	`plesk.mxshosting.com`
NS	`ns1.sitiosmx.com` ⚠️ Not in parent delegation
		A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
			PTR	`plesk.mxshosting.com`
NS	`ns2.mxsnet.com` ⚠️ Not in zone NS records
		A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
			PTR	`plesk.mxshosting.com`
MX	`rbnlab.com.mx` ⭐
		A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
			PTR	`plesk.mxshosting.com`
TXT	`v=spf1 ip4:157.173.200.4 include:c.mailbaby.net +a +mx +ip4:148.72.158.122 ~all`
SOA	`ns2.sitiosmx.com`ssosa@mexsitios.com 2026-07-04 #7

`rbnlab.com.mx`

	DNSSEC	⚠️ Not signed
	A	157.173.200.4^{🇬🇧 CONTABO-USA157.173.192.0/20}
	NS	`ns2.sitiosmx.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.mxsnet.com` ⚠️ Not in zone NS records
	NS	`ns1.sitiosmx.com` ⚠️ Not in parent delegation
	NS	`ns2.mxsnet.com` ⚠️ Not in zone NS records
	MX	`rbnlab.com.mx` ⭐
	TXT	`v=spf1 ip4:157.173.200.4 include:c.mailbaby.net +a +mx +ip4:148.72.158.122 ~all`
	SOA	`ns2.sitiosmx.com`ssosa@mexsitios.com 2026-07-04 #7

Previously MX for

rbnlab.com.mx

Same first word

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DNS History

2 records (1 active, 1 former)

○A162.215.248.1982018-12-04 → 2018-12-04 · 3 obs

● 2018-12-04 22:53:28
○ 2026-08-06 20:55:48
○ 2026-08-06 20:55:50

●CNAMErbnlab.com.mx2026-08-06 → 2026-08-06 · 2 obs

● 2026-08-06 20:55:48
● 2026-08-06 20:55:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...	-
rbnlab.com.mx	ns2.mxsnet.com, ns1.mxsnet.com	-

✅ Authoritative Response

Server:157.173.200.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 610ms | Queries: -

📄 Records

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

Analysis

IP Addresses

mail.rbnlab.com.mx has exactly one IP address — 157.173.200.4.

mail.mexsitios.com, alconfirm.com, servidor.sitiosmex.com plus two other host names have IP numbers in common with mail.rbnlab.com.mx.

Name Servers

Four name servers handle the delegation for mail.rbnlab.com.mx: ns1.mxsnet.com, ns2.mxsnet.com, ns1.sitiosmx.com and ns2.sitiosmx.com.

mail.rbnlab.com.mx partially shares its NS delegation with several other domains, including maxwellautomation.com.mx, sitiosmex.com, mxsnet.com and two others.

In DNS configurations, these name servers often share authority with ns1.sitesmx.com, ns2.sitesmx.com, ns1.mxshosting.com and 5 other name servers.

The host names ns1.mxsnet.com, ns2.mxsnet.com, ns1.sitiosmx.com and ns2.sitiosmx.com share a common IP address: 157.173.200.4.

The following host names resolve to 157.173.200.4: ns1.mxsnet.com, ns2.mxsnet.com, ns1.sitiosmx.com and ns2.sitiosmx.com.

Mail Servers

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

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

There is one IP number for rbnlab.com.mx: 157.173.200.4.

mail.rbnlab.com.mx - robtex.com