Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hks.harvard.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:06:30 UTC · ↺ Refresh
MX Hostnames
- mx0a-00171101.pphosted.com
- mx0b-00171101.pphosted.com
MX Priorities
- mx0a-00171101.pphosted.com: 0
- mx0b-00171101.pphosted.com: 0
A / AAAA Records
- 52.6.202.185 ↩ ec2-52-6-202-185.compute-1.amazonaws.com
Mail Server IPs
- 67.231.148.27 ↩ mx0a-00171101.pphosted.com
- 67.231.156.27 ↩ mx0b-00171101.pphosted.com
SOA Record
Raw SOA
a1-171.akam.net netmanager.harvard.edu 2023062453 10800 3600 2419200 3600
Primary NS (mname)
a1-171.akam.net
Admin Email (rname)
netmanager@harvard.edu
Serial
2023062453
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
a11-67.akam.net
a6-66.akam.net
a1-171.akam.net
a7-65.akam.net
a16-64.akam.net
a10-66.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- google-site-verification=H_tPZ5AeA6NyGpSb1eqowaeF49T8H-1vbLgvU6vlh4E
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- google-site-verification=OyJk1vJRkqpbXf3OjJ6yJLRR4ni4jOMARj1rLaWTaFc
- webexdomainverification.4C675B8ADCC3B136E053AB06FC0A3F65=b94b7b58-3392-4b3e-8ba0-eebad135e70f
- obUSXwU5IyFIK2L/xCUVaGasSe9W9ItsQjjCs9ZgtvooYl5ev38GnMB00/P+P0lfrgJ6Be4QgLbhRB2cMGNc/w==
- google-site-verification=Z1sjz4BsAUOhfcpflH32sQnRgXWtw9XlkFYtpD7J8nM
- brevo-code:f2255429f39147760c33826eb21b551a
- atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H
- google-site-verification=oDQO2f25agHlmP38NRjQe3-YPpuesPwuinDhDm8spYY
- MS=5950767B13CDC6D214DF3F6BF1ECC22304B1F0B4
- Fastly-16327-5498
- sending_domain378242=81c49e74a595253a449d167ab56ace46c9dcf2ec690f935f2729b33ac44d28e0
- MS=C432C271A066C8BCE5FC01915056E4D8B4045FAE
- smartsheet-site-validation=jscgnz4P6c_DRMmJvD3zUssX4QZs2TAV
- airtable-verification=a92cef30671587a4f6deb7951c1c3f1a
- webexdomainverification.4C675B8A1AA3B136E053AB06FC0A3F65=44897f68-88c3-4d30-8adb-d5f61c9c700d
- webexdomainverification.1SWE2=d553951c-c5c1-4925-8453-14a764ea1ec0.4C675B8ADCC3B136E053AB06FC0A3F65=b94b7b58-3392-4b3e-8ba0-eebad135e70f
- openai-domain-verification=dv-EGe4FdbQO5jQbsGUJjv2BJhE
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