ROBTEX.COM - cns.caltech.edu
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cns.caltech.edu checked at 2025-12-03T18:09:06.202Z 599ms 112/112/112 100% R:14 allDone:true timedOut:false cns.caltech.edu
| NS | ns-352.awsdns-44.com | ||||||
| A | 2600:9000:5301:6000::1🇺🇸 Amazon | ||||||
| PTR | ns-352.awsdns-44.com | ||||||
| A | 205.251.193.96🇺🇸 Amazon | ||||||
| PTR | ns-352.awsdns-44.com | ||||||
| NS | ns-929.awsdns-52.net | ||||||
| A | 2600:9000:5303:a100::1🇺🇸 Amazon | ||||||
| PTR | ns-929.awsdns-52.net | ||||||
| A | 205.251.195.161🇺🇸 Amazon | ||||||
| PTR | ns-929.awsdns-52.net | ||||||
| NS | ns-1358.awsdns-41.org | ||||||
| A | 2600:9000:5305:4e00::1🇺🇸 Amazon | ||||||
| PTR | ns-1358.awsdns-41.org | ||||||
| A | 205.251.197.78🇺🇸 Amazon | ||||||
| PTR | ns-1358.awsdns-41.org | ||||||
| MX | mx1.caltech.iphmx.com | ||||||
| A | 68.232.137.147🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort | ||||||
| A | 68.232.147.192🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort | ||||||
| MX | mx2.caltech.iphmx.com | ||||||
| A | 68.232.137.147🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort | ||||||
| A | 68.232.147.192🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort | ||||||
| NS | ns-1544.awsdns-01.co.uk | ||||||
| A | 2600:9000:5306:800::1🇺🇸 Amazon | ||||||
| PTR | ns-1544.awsdns-01.co.uk | ||||||
| A | 205.251.198.8🇺🇸 Amazon | ||||||
| PTR | ns-1544.awsdns-01.co.uk | ||||||
| A | 52.26.125.194🇺🇸 Amazon | ||||||
| PTR | ec2-52-26-125-194.us-west-2.compute.amazonaws.com | ||||||
caltech.edu
| NS | ns0090.secondary.cloudflare.com | ||||||
| NS | ns0239.secondary.cloudflare.com | ||||||
| MX | mx1.caltech.iphmx.com | ||||||
| MX | mx2.caltech.iphmx.com | ||||||
| A | 52.26.125.194🇺🇸 Amazon | ||||||
rank #56 in the tld
This domain "caltech.edu" is the official website for the California Institute of Technology. It provides information about the university's academic programs, research work, admissions, faculty, and various other resources for students and staff. The .edu extension indicates that it is an educational institution.
Starts with same word
Starts similarily
AI analysis
cns.caltech.edu resolves to a single IP: 52.26.125.194.
Other host names, for instance spamtrap.caltech.edu, ecstem.org, vision.caltech.edu, hpc.caltech.edu and caltech.info share IP numbers with cns.caltech.edu.
cns.caltech.edu is delegated to four name servers: ns-352.awsdns-44.com, ns-929.awsdns-52.net, ns-1358.awsdns-41.org and ns-1544.awsdns-01.co.uk.
cns.caltech.edu shares some name servers with other domains, for example d3eexna8dxuqmv.cloudfront.net, khamsat.com, lunchclub.ai, gamecircus.net and buylocalsm.com.
These name servers are commonly used alongside ns-316.awsdns-39.com, ns-214.awsdns-26.com, ns-687.awsdns-21.net and ns-1988.awsdns-56.co.uk.
Host names with two IP numbers
Two IPs per host:
ns-352.awsdns-44.com points to 2600:9000:5301:6000::1 and 205.251.193.96
ns-929.awsdns-52.net points to 2600:9000:5303:a100::1 and 205.251.195.161
ns-1358.awsdns-41.org points to 2600:9000:5305:4e00::1 and 205.251.197.78
ns-1544.awsdns-01.co.uk points to 2600:9000:5306:800::1 and 205.251.198.8
cns.caltech.edu is served by two mail servers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.
cns.caltech.edu shares the mail server setup with other domains, for example irastro.caltech.edu, imss.caltech.edu, its.caltech.edu, vis.caltech.edu and hep.caltech.edu.
cns.caltech.edu shares some mail servers with other domains at least partially, for instance ad.caltech.edu and ipac.caltech.edu.
Host names with two IP numbers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com point to 68.232.137.147 and 68.232.147.192. Host names that point to 68.232.137.147: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com. Host names that point to 68.232.147.192: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.