Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
firststudentinc.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 14:39:32 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.10
- 141.193.213.11
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns96.worldnic.com
ns95.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:sendgrid.net include:spf.qb-feedback.com include:_spf.tivian.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- detectify-verification=f9dc598c7b85e446eaf64c2052e3e3f2
- ZOOM_verify_QFTYA14oYi7jjsgXkeIzGm
- adobe-idp-site-verification=eb2b043619a63e939d538accac30fd35c1ba3fe5fbc2e047ac5bd2baadf80c17
- v=msv1 t=A0A13044-051B-477A-B4B5-FEA3F4E17430
- atlassian-domain-verification=/3SHIhVTmKOz9m7Y5OfuH5ogsWk7gBqM8fRCa42xuqfaoA/VRIEpDJpNl9YjJxiY
- adobe-idp-site-verification=eb2b043619a63e939d538accac30fd35c1ba3fe5fbc2e047ac5bd2baadf80c17 Copy record valueCopy entire DNS record
- SPFv=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:sendgrid.net include:spf.qb-feedback.com include:_spf.tivian.com -all
- zscaler-verification-74411-07292025-Ti5L4xK8
- google-site-verification=X2JcTeT6b8odBtnTmnYj66iDPhZvwOjmPJAnEDfipOk
- taegis-domain-verification=8ec6d4552cb910415b1b7e2cd29c59c163c6bdde2528ef160f17d0db621340e6
- docusign=f1f5d706-83a5-471b-ade1-33943033350a
- docusign=b9bf8252-bf4f-49d6-8d0c-126906bf387d
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for firststudentinc.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits