Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dfaofca.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:48:45 UTC · ↺ Refresh
MX Hostnames
- dfaofca-com.mail.eo.outlook.com
MX Priorities
- dfaofca-com.mail.eo.outlook.com: 0
A / AAAA Records
- 68.66.224.16 ↩ az1-ls4.a2hosting.com
- 2600:3c01::f03c:91ff:fe59:69b (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.a2hosting.com root.az1-ls4.a2hosting.com 2026031603 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@az1-ls4.a2hosting.com
Serial
2026031603
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.a2hosting.com
ns2.a2hosting.com
ns4.a2hosting.com
ns3.a2hosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- detectify-verification=a5f733b99593fd24b2b6194ebbb1f640
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms82100262
- gc8fcktm26e70it2tn33ho18fe
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 dfaofca.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits