Domain Overview
DNS: ✓ 15h ago
Checker: ✓ 15h ago
sesame-digital.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:14:34 UTC · ↺ Refresh
MX Hostnames
- sesamedigital-com01e.mail.protection.outlook.com
- ms40784629.msv1.invalid
MX Priorities
- sesamedigital-com01e.mail.protection.outlook.com: 0
- ms40784629.msv1.invalid: 32768
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
- 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 2a01:111:f403:ca25:: ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca1e:: ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca25::1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 2a01:111:f403:ca25::2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.gandi.net hostmaster.gandi.net 1778716800 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1778716800
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns-253-c.gandi.net
ns-185-b.gandi.net
ns-174-a.gandi.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.mailjet.com -all
- MS=ms40784629
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 sesame-digital.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits