csumb.edu

Valid Email Server
Domain Lookup › csumb.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csumb.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 21:32:35 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • feedback-smtp.us-east-1.amazonses.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • feedback-smtp.us-east-1.amazonses.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt3.aspmx.l.google.com: 10
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 3.33.150.239
  • 15.197.156.176

Mail Server IPs

  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
  • 3.218.134.115 ↩ ec2-3-218-134-115.compute-1.amazonaws.com
  • 34.192.233.193 ↩ ec2-34-192-233-193.compute-1.amazonaws.com
  • 18.235.76.96 ↩ ec2-18-235-76-96.compute-1.amazonaws.com
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b

SOA Record

Raw SOA nsmaster.csumb.edu netops.csumb.edu 2026154564 10800 1080 2419200 900
Primary NS (mname)
nsmaster.csumb.edu
Admin Email (rname)
netops@csumb.edu
Serial
2026154564
Refresh
10800s
Retry
1080s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

dnssec1.cenic.org
ns1.csumb.edu
ns4.csumb.edu
dnssec2.cenic.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf1.csumb.edu include:_spf2.csumb.edu ip4:162.247.216.0/22 ip4:139.60.152.0/22 ip4:98.97.248.0/21 ip4:64.69.212.0/24 ip4:54.186.193.102/32 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.62.51 ip4:52.222.75.85 ip4:52.222.89.228 ip4:160.1.62.192 ip4:52.61.91.9 ip4:15.200.21.50 ip4:15.200.201.185 ip4:15.200.44.248 ip4:176.31.145.254 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

24 records
  • logmein-verification-code=f9da646b-4b60-4e77-9cec-f3a86c7e78ef
  • SPFv=spf1 include:_spf1.csumb.edu include:_spf2.csumb.edu ip4:162.247.216.0/22 ip4:139.60.152.0/22 ip4:98.97.248.0/21 ip4:64.69.212.0/24 ip4:54.186.193.102/32 ip4:52.222.73.120/32 ip4:52.222.73.83 ip4:52.222.62.51 ip4:52.222.75.85 ip4:52.222.89.228 ip4:160.1.62.192 ip4:52.61.91.9 ip4:15.200.21.50 ip4:15.200.201.185 ip4:15.200.44.248 ip4:176.31.145.254 ~all
  • 00d2e0000012czjuaa
  • docusign=ccbc39d7-f566-4f38-914a-8f71fe5dc649
  • sending_domain774533=26a1b34c5d4d0d59a64d9cd26af1eddb55b3dd96adf9f852d987226b8b2b07a4
  • bb1c556d75c6493f949140a4aa063a97
  • jamf-site-verification=l-30gFeuPgiA1LIPxOi80w
  • MS=2537212AEBE01401465CF6D85C5F0A064E7D77C0
  • google-site-verification=RAvEwa633g9BIfB-f1NU-7aDo3EgEjBz_el7e4wqr70
  • jetbrains-domain-verification=d6rocfcylrglnoxqiiiosgg7n
  • bw=ZnlXotA1kBBty3enRPZiFSbIrXCKTEmwiYQDFti6hflX
  • google-site-verification=UXWIH4CA1plPI7FijxPh2u-piEYvLNwR6Xt_ySYNu2g
  • K08G31NXGVDA8PJDBO3PQILSSMLFHW7IRDJEWEM81
  • SFMC-bWl_CSw1a45QtFrGDOVWDEqvpPxh2IoYvEUixQ9a
  • docusign=a71a854d-c635-49fe-b0b3-e8fe27415dd5
  • smartsheet-site-validation=KAgs2CCM8pBVmJnyfK1lNDOs__JM2MaI
  • sophos-domain-verification=dc7e747ae8cd2c1bb596262ffcbadfe5cf340ba6686586a8178ec40a5274fb9a
  • apple-domain-verification=4pUNLC0GKXI5dR3j
  • openai-domain-verification=dv-A8hEpzFoc6qB4wJh58A9Jmeg
  • autodesk-domain-verification=U9KmQ54XAqVSPd7ryalL
  • airtable-verification=747057c7f21588f1e6dcea6276f53dfa
  • adobe-idp-site-verification=7a0005bf2bfe3d5cf4014a5e6b46bff942419c2853b08cfb8b06b8e9277f6b7a
  • onetrust-domain-verification=ffe9f3af40ce4f07addb98f7d976aeae
  • google-site-verification=rFhCunjGJ9ZhRCawDnhQlqiVx4PL7p_UIqv_QuDAmi8
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