Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seas.harvard.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 06:08:19 UTC · ↺ Refresh
MX Hostnames
- mx0b-00171101.pphosted.com
- mx0a-00171101.pphosted.com
MX Priorities
- mx0b-00171101.pphosted.com: 10
- mx0a-00171101.pphosted.com: 10
A / AAAA Records
- 23.185.0.4 (no PTR)
- 2620:12a:8000::4 (no PTR)
- 2620:12a:8001::4 (no PTR)
Mail Server IPs
- 67.231.156.27 ↩ mx0b-00171101.pphosted.com
- 67.231.148.27 ↩ mx0a-00171101.pphosted.com
SOA Record
Raw SOA
a1-171.akam.net netmanager.harvard.edu 2023062415 3600 600 1209600 3600
Primary NS (mname)
a1-171.akam.net
Admin Email (rname)
netmanager@harvard.edu
Serial
2023062415
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
a10-66.akam.net
a7-65.akam.net
a1-171.akam.net
a16-64.akam.net
a11-67.akam.net
a6-66.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
11 records- google-site-verification=VDaRg6h0wnlh6YJAg191q4yG5bW9EXELYJmSslujyHI
- google-site-verification=gT3EGzy8DPUV3zfeYGTzySffGl1LU6H4tVKMSZJvjBU
- google-site-verification=SH8DiLE4wwgj1FMyqiw3oVp87YfJSocPnsllN67ffkQ
- google-site-verification=kPo-eYUdERwmim6KiqEz0MddL4zVdlb3HgJdyNateKA
- sending_domain1089042=3e057be460e57af8fa6aa6a0a1e085ad9eeb1f50a90c24944bdf9f5a7ce58ed1
- facebook-domain-verification=doc51nk107393unnjzhyyjjg0hrnin
- pardot1089042=9bd5ec434b73bd41909d09e9341fbf024f9e515c355034ba1b5fdb94858bcb0d
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- atlassian-domain-verification=ASRKBXyOafZgDCRWh1Ylv34hiOSMgAIoNXs8H57rR3aTkuOD5KwJfUN9G3f7Ah/H
- google-site-verification=Ntkj0kizbXeLgL5ZhlQPBmbZObEGrkSE5YjRjWpIpIQ
- openai-domain-verification=dv-SDYZcCENz2dPqUcOukVOEVwp
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