student.otis.edu

Valid Email Server
Domain Lookup › student.otis.edu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
student.otis.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 15:43:29 UTC · ↺ Refresh

MX Hostnames

  • d162933a.ess.barracudanetworks.com
  • d162933b.ess.barracudanetworks.com

MX Priorities

  • d162933a.ess.barracudanetworks.com: 10
  • d162933b.ess.barracudanetworks.com: 20

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:160.72.22.128 ip4:160.72.22.129 ip4:160.72.22.130 ip4:162.72.22.131 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:cust-spf.cashnet.com include:_spf.formstack.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

8 records
  • SPFv=spf1 ip4:160.72.22.128 ip4:160.72.22.129 ip4:160.72.22.130 ip4:162.72.22.131 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:cust-spf.cashnet.com include:_spf.formstack.com ~all
  • NnFCDtX2hWSJSTMfZJ03ZHYESvGqvzbWyArWggILG3lGqyIqFDcsPsT6z5uwhzMg92Me27YLQeKIZb7QBYVS+g==
  • MS=FDE285F2106A8F0FB2212699613756393D595270
  • google-site-verification=PGIF6-PRtr0U4BCF83l4dspN7w7hPIHBpyROTds3sEE
  • KrtZEJkgkbmpW1tYDGqiKodblhu/Ha8saJYAKTQVJI8zD6hjRmdjoWgsKisKXgAqyX95Uq5q5PZhhXNOOpWpAg==
  • canva-site-verification=7hN15Z1_eN5lDjnCGTAcrg
  • sophos-domain-verification=ec84a3e82ee1c052073e0689819a5c497f0ddc8ff8ae93bf3ee141fa5f699baf
  • autodesk-domain-verification=LpRoS6B5Rj9qC4Nq2iqr
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