Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lucasoil.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 02:50:51 UTC · ↺ Refresh
MX Hostnames
- lucasoil-com.mail.protection.outlook.com
MX Priorities
- lucasoil-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.5.171 (no PTR)
- 172.67.70.244 (no PTR)
- 104.26.4.171
- 2606:4700:20::681a:4ab
- 2606:4700:20::ac43:46f4
- 2606:4700:20::681a:5ab
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
anna.ns.cloudflare.com dns.cloudflare.com 2399508298 10000 2400 604800 1800
Primary NS (mname)
anna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399508298
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anna.ns.cloudflare.com
ken.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:spf.US.exclaimer.net include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
12 records- knowbe4-site-verification=da4157a2d3efba34f8d6b2953b1ddf1c
- qsiml70ojpeov4l1nsc9nm892u
- rea2kunq7e3ur27ohj8vg7pj0a
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:spf.US.exclaimer.net include:sendgrid.net -all
- 19q00bh46m8vivf19g4n4a6q8j
- MS=C1DBD057AE384A6C804F34AF3D8112CCC5DA9399
- MS=ms73379867
- apple-domain-verification=AbWYYrwQEm84ZXUB
- facebook-domain-verification=toacc1gbohu3tsl81sbykbfoln1c6f
- google-site-verification=2JngEAOpXs0yskJapMt39z5jtzAxtNWKYA8w5ClTAwM
- google-site-verification=3UKbMot_SPGlDtRX9hL6xmBBinUcezv7z637PW5Am94
- google-site-verification=wKYMwctx2cPG3nIM9RqfDplPphU9Q31vhClhZjXd-18
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 lucasoil.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits