Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
huhs.harvard.edu
Yes
โ Yes
Proofpoint
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-29 23:47:23 UTC ยท โบ Refresh
MX Hostnames
- mx0a-00171101.pphosted.com
- mx0b-00171101.pphosted.com
MX Priorities
- mx0a-00171101.pphosted.com: 100
- mx0b-00171101.pphosted.com: 100
A / AAAA Records
- 52.202.246.166 โฉ ec2-52-202-246-166.compute-1.amazonaws.com
- 3.215.150.64 โฉ ec2-3-215-150-64.compute-1.amazonaws.com
Mail Server IPs
- 67.231.148.27 โฉ mx0a-00171101.pphosted.com
- 67.231.156.27 โฉ mx0b-00171101.pphosted.com
SOA Record
Raw SOA
a1-171.akam.net netmanager.harvard.edu 2023062068 3600 1800 3600000 10800
Primary NS (mname)
a1-171.akam.net
Admin Email (rname)
netmanager@harvard.edu
Serial
2023062068
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
10800s
Nameservers (NS)
a11-67.akam.net
a6-66.akam.net
a10-66.akam.net
a16-64.akam.net
a7-65.akam.net
a1-171.akam.net
SPF Record
โ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
๐ DNS lookups: 1/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- smartsheet-site-validation=f1f9uxmfJxlB_est1HpvFBEwji4-iMSw
- atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- hL2V566A8Nbpr8tQNsbQO2MOl09HkvNMSPZtUjdff44FNWuSd7j8qD838J8ZtvoeIssyFuizOSqWGSGl/WxDuA==
- openai-domain-verification=dv-FV5cuHtPZKQ0YC6FWt3aTC1z
- google-site-verification=RCwniWvM8F367dR6rHndqISICJpkjvKy78PqzC2XAEA
- MS=A0E994C41CE4DEDBA4A32524C315DE0C06136B01
- google-site-verification=ARZBCYNRWOmXFfwtWqZV5bvN3oDcIdy5rBKdYc7rLtc
- e2ma-verification=hpqgb
- google-site-verification=oeL89DMsgQwpuo8BV8ruZQo7F6oMwv7ZQk1qvxH4Uc4
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for huhs.harvard.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits