`biblioteca.tec.mx`

CNAME	`secure-us.libguides.com`
CNAME	`region-us.libguides.com`
DNSSEC	⚠️ Not signed
A	3.86.37.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-86-37-148.compute-1.amazonaws.com`
A	34.194.39.199^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
A	54.85.246.96^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
A	54.88.35.99^{🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix}

`tec.mx`

	DNSSEC	⚠️ Not signed
	A	45.60.86.212^{🇺🇸 IMPERVA45.60.86.0/24 ORIXCOM via EMIX}
	A	45.60.115.212^{🇺🇸 IMPERVA45.60.115.0/24 ORIXCOM via EMIX}
	NS	`ns1e.itesm.mx` ⭐
	NS	`ns2e.itesm.mx`
	MX	`tec-mx.mail.protection.outlook.com` ⭐
	TXT	`site24x7-signals-domain-verification=a4f251cb42f0fec648ad58fad72719cc`
	TXT	`b089cd86ecca4b698cd7f4b785d9ffeb`
	TXT	`globalsign-domain-verification=8B9330981ABF7C1CCEB3874D63A91B88`
	TXT	`atlassian-domain-verification=5oedYtFRaZ18QGRDCK49aK0wL2qnfYO/Ve62zLT6yZkbv0T...`
	TXT	`v=spf1 ip4:136.147.46.0/24 include:spf.protection.outlook.com include:_spf.go...`
	TXT	`workplace-domain-verification=B7IkYRgI56ON3U0RzA0HeblYrwUHtt`
	TXT	`facebook-domain-verification=4goi9e14tcqmgh5o734f1y7egdtqld`
	TXT	`ZOOM_verify_PSr7_djWT9--j-6nPapGLw`
	TXT	`MS=ms20568935`
	TXT	`onetrust-domain-verification=192056054c724d6194af74f9f9a6b42d`
	TXT	`cisco-ci-domain-verification=500ea061337b075c322befdbc9b0b156ed0cfbde3c3b33ea...`
	TXT	`onetrust-domain-verification=a547152db34e4b5cb862d346b6422835`
	TXT	`onetrust-domain-verification=d97917cf118344f6b2661f1437487578`
	TXT	`twilio-domain-verification=67f0db36242b06c9cea4ae53dba2fc77`
	TXT	`google-site-verification=5L_li7VVwW0ydOr1YfQBGEkxnPX0Wsp_drIOlyFB1yE`
	TXT	`globalsign-domain-verification=6DE995824FBBAF62D1F0DF7B97ADA4C8`
	TXT	`onetrust-domain-verification=9896bd3a32da43e8a8f124a43a9b592d`
	TXT	`adobe-idp-site-verification=ebfbbe30ebb517e7bb9d1f4753ca09da5c20e370018e2f467...`
	SOA	`ns1e.itesm.mx`please_set_email@absolutely.nowhere serial=239

rank #10515 globally
rank #17 in the tld
This domain "tec.mx" is associated with Monterrey Institute of Technology and Higher Education, a private university located in Monterrey, Mexico. This institution is commonly known as "Tec de Monterrey". The domain is used for the university's website which provides information about its programs, admissions, research, and other services.🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #14,389

Same first word

DNS History

1 record (1 active, 0 former)

●CNAMEsecure-us.libguides.com2026-02-27 → 2026-05-10 · 2 obs

● 2026-02-27 10:13:40
● 2026-05-10 09:21:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
mx	c.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...	-
tec.mx	ns1e.itesm.mx, ns2e.itesm.mx	2 records

✅ Authoritative Response

Server:200.33.42.250

NS records: ns1e.itesm.mx, ns2e.itesm.mx

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tec.mx (unsigned zone)

⏱️ Timing

Total: 478ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`secure-us.libguides.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1e.itesm.mx, ns2e.itesm.mx)

Analysis

IP Addresses

biblioteca.tec.mx points to four IP numbers: 3.86.37.148, 34.194.39.199, 54.85.246.96 and 54.88.35.99.

Other host names, for instance library.doc.gov, library.nova.edu, liveoakpl.org, bhmlib.org and lib.westfield.ma.edu share IP numbers with biblioteca.tec.mx.

biblioteca.tec.mx - robtex.com