cobsa.mx - dns.ninja

`cobsa.mx`

DNSSEC	⚠️ Not signed
A	66.225.201.69^{🇺🇸 SERVERCENTRAL66.225.192.0/18 Summit Hosting Network}
		PTR	`priva60.privatednsorg.com`
NS	`dns.alestra.net.mx` ⭐
		A	201.163.57.5^{🇲🇽 ALESTRA-1201.163.56.0/21}
			PTR	`ns-mty.axtel.net`
			PTR	`dns2.alestra.net.mx`
			PTR	`dns.alestra.net.mx`
NS	`mail1.alestra.net.mx`
		A	201.163.56.5^{🇲🇽 ALESTRA-1201.163.56.0/21}
			PTR	`ns-mex.axtel.net`
			PTR	`dns1.alestra.net.mx`
			PTR	`mail1.alestra.net.mx`
NS	`mail2.alestra.net.mx`
		A	201.163.58.5^{🇲🇽 ALESTRA-1201.163.56.0/21}
			PTR	`ns-gdl.axtel.net`
			PTR	`mail2.alestra.net.mx`
MX	`cobsa-mx.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.22^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
		A	52.101.50.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
TXT	`MS=ms83581970`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`dns.alestra.net.mx`soporteip@axtel.com.mx serial=762215072

`mx`

	DNSSEC	🔒 Signed (DS record present)
	NS	`m.mx-ns.mx` ⭐
	NS	`c.mx-ns.mx`
	NS	`e.mx-ns.mx`
	NS	`i.mx-ns.mx`
	NS	`o.mx-ns.mx`
	NS	`x.mx-ns.mx`
	TXT	`v=spf1 -all`
	SOA	`m.mx-ns.mx`hostmaster@nic.mx serial=1784545415

Same first word

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cobsa.com.mx

cobsa.net

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DNS History

7 records (5 active, 2 former)

●NSdns.alestra.net.mx2018-07-14 → 2026-07-20 · 2 obs

● 2018-07-14 18:12:44
● 2026-07-20 11:26:02

○NSgdl337sldns012026-05-09 → 2026-05-12 · 5 obs

○ 2018-07-14 18:12:44
● 2026-05-09 23:54:06
● 2026-05-12 17:57:56
○ 2026-06-06 12:04:44
○ 2026-07-20 11:26:02

●NSmail1.alestra.net.mx2018-07-14 → 2026-07-20 · 2 obs

● 2018-07-14 18:12:44
● 2026-07-20 11:26:02

●NSmail2.alestra.net.mx2018-07-14 → 2026-07-20 · 2 obs

● 2018-07-14 18:12:44
● 2026-07-20 11:26:02

●MXcobsa-mx.mail.protection.outlook.com2018-07-14 → 2026-07-20 · 5 obs

● 2018-07-14 18:12:44
● 2026-06-06 12:04:44
○ 2026-06-06 19:15:34
● 2026-06-06 23:17:28
● 2026-07-20 11:26:02

○A173.236.119.362018-07-14 → 2018-07-14 · 3 obs

● 2018-07-14 18:12:44
○ 2026-03-09 11:01:48
○ 2026-07-20 11:26:02

●A66.225.201.692026-03-09 → 2026-07-20 · 6 obs

○ 2018-07-14 18:12:44
● 2026-03-09 11:01:48
● 2026-06-06 12:04:44
○ 2026-06-06 19:15:34
● 2026-06-06 23:17:28
● 2026-07-20 11:26:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...	-
cobsa.mx	dns.alestra.net.mx, mail1.alestra.net.mx, mail2.alestra.net.mx	-

✅ Authoritative Response

Server:201.163.57.5

NS records: dns.alestra.net.mx, mail1.alestra.net.mx, mail2.alestra.net.mx

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cobsa.mx (unsigned zone)

⏱️ Timing

Total: 684ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.225.201.69`
NS	3	`mail1.alestra.net.mx, mail2.alestra.net.mx...`
MX	1	`cobsa-mx.mail.protection.outlook.com (pr`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms83581970`
SOA	1	`dns.alestra.net.mx soporteip.axtel.com.m`

Analysis

IP Addresses

cobsa.mx has exactly one IP address — 66.225.201.69.

_dc-mx.eb5bae1e0f07.listengo.com, publicaste.com, www.revistanetas.com plus two other host names have IP numbers in common with cobsa.mx.

Name Servers

DNS for cobsa.mx is handled by three authoritative name servers: dns.alestra.net.mx, mail1.alestra.net.mx and mail2.alestra.net.mx.

At least some of cobsa.mx's name servers are shared with other domains, for example 236.151.201.in-addr.arpa, plastienvases.com.mx, 178.151.201.in-addr.arpa and two more.

dns.alestra.net.mx, mail1.alestra.net.mx and mail2.alestra.net.mx all have one IP address each — dns.alestra.net.mx directs to 201.163.57.5, mail1.alestra.net.mx directs to 201.163.56.5 and mail2.alestra.net.mx directs to 201.163.58.5.

Mail Servers

cobsa.mx uses one mail server — cobsa-mx.mail.protection.outlook.com.

cobsa-mx.mail.protection.outlook.com has 8 IP addresses: 52.101.10.2, 52.101.41.22, 52.101.42.16 plus 5 more.