Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lessonly.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:06:19 UTC · ↺ Refresh
MX Hostnames
- lessonly-com.mail.protection.outlook.com
MX Priorities
- lessonly-com.mail.protection.outlook.com: 1
A / AAAA Records
- 151.101.194.159 (no PTR)
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-644.awsdns-16.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-644.awsdns-16.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-644.awsdns-16.net
ns-1334.awsdns-38.org
ns-1580.awsdns-05.co.uk
ns-189.awsdns-23.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:167.89.73.35 include:_spf.google.com include:mktomail.com include:sendgrid.net include:spf.mandrillapp.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rf=afrf; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=P0xb_lwmuHRtXxb0pkJ0SnLf7caAkx-jN63ZdlxdOG0
- google-site-verification=TbI3rW9IeZQR1ZO4By7WJCpVVLR8R71RqBnNala5ovA
- status-page-domain-verification=vkg53v3znz7d
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
- SPFv=spf1 ip4:167.89.73.35 include:_spf.google.com include:mktomail.com include:sendgrid.net include:spf.mandrillapp.com include:spf.protection.outlook.com ~all
- zoom-domain-verification=3c650d8f-8fc7-41cc-8acd-f956cffa0fc4
- MS=ms51837049
- google-site-verification=3ND0s3g7FDTEs4QWrH6JhlgNIb95uaHbXASqnAQBQ8M
Full email verification for lessonly.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits