cgl.ucsf.edu

Valid Email Server
Domain Lookup › cgl.ucsf.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cgl.ucsf.edu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 10:12:24 UTC · ↺ Refresh

MX Hostnames

  • mx1-us1.ppe-hosted.com
  • mx2-us1.ppe-hosted.com

MX Priorities

  • mx2-us1.ppe-hosted.com: 10
  • mx1-us1.ppe-hosted.com: 10

A / AAAA Records

  • 169.230.27.20 ↩ cgl.ucsf.edu

Mail Server IPs

  • 67.231.154.163 ↩ mx2-us1.ppe-hosted.com
  • 148.163.129.51 ↩ mx2-us1.ppe-hosted.com
  • 67.231.154.162 ↩ mx1-us1.ppe-hosted.com
  • 148.163.129.50 ↩ mx1-us1.ppe-hosted.com

SOA Record

Raw SOA cgl.ucsf.edu hostmaster.cgl.ucsf.edu 5265 3600 900 604800 1200
Primary NS (mname)
cgl.ucsf.edu
Admin Email (rname)
hostmaster@cgl.ucsf.edu
Serial
5265
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
1200s

Nameservers (NS)

cgl.ucsf.edu
aristotle.cgl.ucsf.edu

SPF Record

✓ Strict (-all)
v=spf1 a:cgl.ucsf.edu mx:cgl.ucsf.edu mx:plato.cgl.ucsf.edu ip4:169.230.27.0/24 a:euler.compbio.ucsf.edu ip4:148.163.145.21 ip4:148.163.141.21 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 a:cgl.ucsf.edu mx:cgl.ucsf.edu mx:plato.cgl.ucsf.edu ip4:169.230.27.0/24 a:euler.compbio.ucsf.edu ip4:148.163.145.21 ip4:148.163.141.21 -all
  • docusign=d0f4f532-6a8c-4074-9b9f-bfb3a51e0df7
  • smartsheet-site-validation=kCN-MR0TVAYJfV-lrYaT8k-Wu0I3I32Q
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