Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lennoxpartsplus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:45:16 UTC · ↺ Refresh
MX Hostnames
- lennoxpartsplus-com.mail.protection.outlook.com
MX Priorities
- lennoxpartsplus-com.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
rchdnslep01.lennoxintl.com noreply.lennox.com 30 900 600 86400 3600
Primary NS (mname)
rchdnslep01.lennoxintl.com
Admin Email (rname)
noreply@lennox.com
Serial
30
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
rchdnslep01.lennoxintl.com
dbkdnslep01.lennoxintl.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 -all
- /uqr9QRXln3JtyoHBu/O0lY8iOG/RnSDpiiZK2m0shTs5T3EjmFx0Q08lV1ma6faSZEYH3iBqgLLKTs+qaClpg==
- UFrZIfkghBtBtTSxttD8ZRrqbpvM91gwGOTKNZVjsWVOR53Tt3QE1tK631b92HfDL1OWufS1O5JnCv2sdG5g3g==
- DKIMv=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCXrwe5JWg3/z4tOi7sPfyDixXWjsN40FnyVPkhCpvLXcjweyCUoznQ4FPp+8ks1wlK3WzooMpEXrQjecvGtDvgJwrhV6FG6EXTRHq4xT86W62nCzg2I1JTzCUXjBhykp+Ez1HZVcE4Hc2eF6bIKb0Zhh4fpz5Dq8Ri7MmIfQMZSwIDAQAB
- google-site-verification=xoDo_It57nUaWQTbmxamgiLK1LbPFXrfTzMpaQzTXP4
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 lennoxpartsplus.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits