Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cnu.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 04:55:35 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx4.googlemail.com
- aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx5.googlemail.com
MX Priorities
- aspmx4.googlemail.com: 10
- aspmx5.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
A / AAAA Records
- 50.17.144.162
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
SOA Record
Raw SOA
ns1.cnu.edu dns_admin.cnu.edu 2017081001 7200 900 1209600 900
Primary NS (mname)
ns1.cnu.edu
Admin Email (rname)
dns_admin@cnu.edu
Serial
2017081001
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.cnu.edu
ns2.cnu.edu
ns3.cnu.edu
ns4.cnu.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.cnu.edu include:_spf-elavon.cnu.edu ip4:199.244.78.223 ip4:199.244.78.224 include:sendgrid.net include:mh.blackboard.com include:_spf.google.com include:amazonses.com include:cust-spf.cashnet.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;aspf=s;adkim=s;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
13 records- google-site-verification=PdJRFOv2N0Tz4umcs2egYOfSWN-PqqbfA2IRjr4pX94
- google-site-verification=gMeObY-N0B7jlyPjrF1ZceQiaovICFNulTEJuTCSKqg
- google-site-verification=gO7XgdWTFI-PwaXBK6wSFuGGOC7YZi2TnE3UFFQw44U
- jamf-site-verification=2Q080Bft2qsNoJm-DJ_INQ
- teamviewer-sso-verification=e0ba9874d365486dac3dc09e7d73e959
- SPFv=spf1 include:_spf.cnu.edu include:_spf-elavon.cnu.edu ip4:199.244.78.223 ip4:199.244.78.224 include:sendgrid.net include:mh.blackboard.com include:_spf.google.com include:amazonses.com include:cust-spf.cashnet.com ~all
- FuseServer=http://help.cnu.edu/servicedesk.fuse
- MS=ms22808753
- apple-domain-verification=1gbDyok5rWyYaTjQ
- atlassian-domain-verification=nGcAx84MaK/KL840tYsyL9MTiFmt2vMG98lCspA2Z1JYAWC4ujHzB2F1NuV1w5ep
- docusign=5eaca23f-dc25-4c1a-adf7-0f8e6a71bc13
- f1121j2abj30cei7mnij6usec4
- google-site-verification=MkrbzOEpwFwNepnMqLBm4fZO9ApMLxyZLzVT9q9ydrE
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