Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lewisadvertising.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 10:33:36 UTC · ↺ Refresh
MX Hostnames
- lewisadvertising-com.mail.protection.outlook.com
MX Priorities
- lewisadvertising-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.194.159 (no PTR)
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.domaincontrol.com dns.jomax.net 2025020500 28800 7200 604800 3600
Primary NS (mname)
ns51.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025020500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns52.domaincontrol.com
ns51.domaincontrol.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
✓ 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
10 records- _7i0mik8bugilyl5fs7xq0tvtixpf5s4
- cisco-ci-domain-verification=37d8f6f2e21914bea6dc731c8a3ce3765dd09895107aee322778e62137c7c8dd
- clyt8142yt5lslh10lscntl2zw55l0mp
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=E5kGgbp2sRhvGzfZUml_n6x4kqDg3hNUL0VrPSH4AZ8
- include:mailgun.org ~all
- DMARCv=DMARC1; p=none; adkim=r; aspf=r
- google-site-verification=X2X4HVG5hE89uMOsD1PX1AMFIFfvhnESoXrgbPJ_hlY
- v=verifydomain MS=3626681
- f80xhk4mdbz9jlx42bl3j6k83mzbvpty
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 lewisadvertising.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits