Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tollercornell.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:52:16 UTC · ↺ Refresh
MX Hostnames
- tollercornell-com.mail.protection.outlook.com
MX Priorities
- tollercornell-com.mail.protection.outlook.com: 0
A / AAAA Records
- 174.136.46.199 ↩ mail.hrodesign.net
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hrodesign.net fsmith.ladylinux.com 2026021904 10800 3600 1209600 10800
Primary NS (mname)
ns1.hrodesign.net
Admin Email (rname)
fsmith@ladylinux.com
Serial
2026021904
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns1.hrodesign.net
ns2.hrodesign.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:174.136.46.199 +a +mx +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms63123680
- SPFv=spf1 ip4:174.136.46.199 +a +mx +include:spf.protection.outlook.com -all
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 tollercornell.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits