Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dsu.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:56:21 UTC · ↺ Refresh
MX Hostnames
- dsu-edu.mail.protection.outlook.com
MX Priorities
- dsu-edu.mail.protection.outlook.com: 10
A / AAAA Records
- 23.99.192.132 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.dsu.edu abuse.dsu.edu 1476 900 600 604800 3600
Primary NS (mname)
ns01.dsu.edu
Admin Email (rname)
abuse@dsu.edu
Serial
1476
Refresh
900s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns02.dsu.edu
ns01.dsu.edu
ns03.dsu.edu
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
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 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
14 records- P6QOHSATUNOTGEUQ3TESVHSHUJ9X4UZUSXNUHCE5W
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- intersight=84bbf716a5119c057630dacf3ddfbb11afe65c58c25cc285538286e386e95327
- e2ma-verification=t1ogb
- ZOOM_verify_fie6sDlRSQ2VOOF2Ao3lcA
- facebook-domain-verification=5rg5xeb98oeyoxblimkh80hdv2led9
- openai-domain-verification=dv-5ADVyBw7l6QLjlHF84YaMdzo
- have-i-been-pwned-verification=a055cb670a4d35d56103522ebebf11a6
- adobe-idp-site-verification=103e6955f98247b723edf4fe8b162d266018e04dd7bc9e829e68e5b145a1df7d
- _globalsign-domain-verification=LfgPuNnZOviHJVkLDsAnTjpDsFtY_T0pkBgmNG2dZs
- 0ed1fe018a218dc59b07824234bbdebb68e121a974
- LHa9EGmBomDQmn2srzFvA/9eRIJN4JrNgNbBA9dxlaIaVZpsk2v5M+tcqMwhaPWYy26amciv0IXQOJiXd7yHgw==
- prod-dsuedu.azurewebsites.net
- apple-domain-verification=TONJY4yk4BUTLdvp
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