Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sesame.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 04:48:25 UTC · ↺ Refresh
MX Hostnames
- sesame-org.mail.protection.outlook.com
MX Priorities
- sesame-org.mail.protection.outlook.com: 0
A / AAAA Records
- 52.22.158.149 ↩ ec2-52-22-158-149.compute-1.amazonaws.com
- 54.163.125.239 ↩ ec2-54-163-125-239.compute-1.amazonaws.com
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1558.awsdns-02.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1558.awsdns-02.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-244.awsdns-30.com
ns-953.awsdns-55.net
ns-1303.awsdns-34.org
ns-1558.awsdns-02.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 a ip4:207.126.97.12 ip4:192.254.121.248 ip4:198.145.10.0/24 ip4:129.80.159.30 include:spf.exclaimer.net include:_phishspf.knowbe4.com include:amazonses.com include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
17 records- Rpol7bQwIxQcatCvFMUcDam/S58ZiUksZ4NCOPWycV/KmVWaqVp8ODiPuMbKIZUPSQUhym1c6XD62xzpbyPSzw==
- MS=ms85539572
- extensis-domain-verification=1fdb0f20-8178-4d3f-96c9-dbfe53851a48
- SPFv=spf1 a ip4:207.126.97.12 ip4:192.254.121.248 ip4:198.145.10.0/24 ip4:129.80.159.30 include:spf.exclaimer.net include:_phishspf.knowbe4.com include:amazonses.com include:_spf.mlsend.com include:spf.protection.outlook.com include:spf.mandrillapp.com ~all
- b9d50c93fcddd236921922f36cc686369d614580c7c0cdfc218c082d82416338
- google-site-verification=JErT7wbPpzl76oB_TLPXAaQ7_7SWv7cXVPXOyL4SOI0
- ZOOM_verify_9VikswhT8y0hfkqWss87Ii
- facebook-domain-verification=kjr100h8bs0i2a8fh3xpgy78lj00r2
- anthropic-domain-verification-dap8en=ynYh5YuOYzQikzj5F3nMf6Au6
- google-site-verification=Ie32rcWXS9j_JKsQ4HYZeAdPLMKnZtPFDdKgHaFA4m0
- 62264a32dcbe1fe01eaf99fd33186e725cc2403b
- ibmid=d585e148-3d0d-4505-8ec2-61779cdea0c9
- atlassian-domain-verification=vRJfNQcOnEVlHPgM/FtVCKfNwzgHFwxOb/7qt04SBb9i5jaaF/X7D2O6hHsW5nm5
- pardot_293712_*=a33cbc2791221495072b44a7257c88684d40e828d0a1624ee6f553a991fd6646
- calendly-site-verification=GQZvqNODdbgetBqUArNnXSmz8WGIeI1hTyaH1pojb
- amazonses:iXSzkS1MU1AwIQ6hiJOt4ITaxmC87ds4QZHptu8eALc=
- docusign=ded28a98-fe2c-42dc-b586-2741c138095e
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.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits