WWW.RTSAK.COM - io.harvard.edu
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io.harvard.edu checked at 2025-10-02T19:11:12.856Z 1379ms 162/162/162 100% R:12io.harvard.edu
harvard.edu
| MX | mx0a-00171101.pphosted.com | ||||||
| MX | mx0b-00171101.pphosted.com | ||||||
| NS | a1-171.akam.net | ||||||
| NS | a10-66.akam.net | ||||||
| NS | a11-67.akam.net | ||||||
| NS | a16-64.akam.net | ||||||
| NS | a6-66.akam.net | ||||||
| NS | a7-65.akam.net | ||||||
| A | 192.0.66.20🇺🇸 Automattic | ||||||
rank #1 in the tld
This domain name "harvard.edu" represents the official website of Harvard University, a prestigious Ivy League research university located in Cambridge, Massachusetts, United States. It serves as a platform for the institution to share information about its academics, research, admissions, campus life, news, events, and other university-related content to students, staff, alumni, and the public.
PTR for
Starts with same word
Starts similarily
AI analysis
io.harvard.edu points to a single IP number: 140.247.232.110.
Other host names, for instance io.as.harvard.edu, share IP numbers with io.harvard.edu.
io.harvard.edu delegates to six name servers: a1-171.akam.net, a10-66.akam.net, a11-67.akam.net, a16-64.akam.net, a6-66.akam.net and a7-65.akam.net.
io.harvard.edu shares name servers with other domains at least partially, for instance 51.162.in-addr.arpa, cashforwardcard.com, 53ins.com, botaka.net and amphenolprintedcircuits.com.
these name servers are commonly used with the name servers a9-66.akam.net, a4-64.akam.net, a12-65.akam.net, a3-67.akam.net, a3-65.akam.net, a1-249.akam.net, a12-67.akam.net, a26-64.akam.net, a13-67.akam.net and a18-65.akam.net.
Host names with two IP numbers:
a1-171.akam.net points to 2600:1401:2::ab and 193.108.91.171.
a10-66.akam.net points to 2600:1480:d000::42 and 96.7.50.66.
a11-67.akam.net points to 2600:1480:1::43 and 84.53.139.67.
a16-64.akam.net points to 2600:1406:1b::40 and 23.211.132.64.
a6-66.akam.net points to 2600:1401:1::42 and 23.211.133.66.
a7-65.akam.net points to 2600:1406:32::41 and 23.61.199.65.
io.harvard.edu is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
io.harvard.edu shares some mail servers with other domains, including sorexi.ma, bioclinitech.com, kotobashi.jp, bedo.la and solmu.com.
these mail servers are commonly used with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Hostnames with two IPs:
aspmx2.googlemail.com points to 2a00:1450:4013:c1e::1b and 192.178.213.27.
aspmx3.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
aspmx.l.google.com points to 2a00:1450:400c:c1f::1b and 74.125.206.26.
alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1b and 192.178.220.27.
alt2.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27.
Hostnames that point to 2607:f8b0:4003:c30::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com.