Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lennoxnas.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:55:40 UTC · ↺ Refresh
MX Hostnames
- lennoxnas-com.mail.protection.outlook.com
MX Priorities
- lennoxnas-com.mail.protection.outlook.com: 5
A / AAAA Records
- 205.145.200.40 (no PTR)
Mail Server IPs
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
rchdnslep01.lennoxintl.com noreply.lennox.com 200 900 600 86400 3600
Primary NS (mname)
rchdnslep01.lennoxintl.com
Admin Email (rname)
noreply@lennox.com
Serial
200
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
dbkdnslep01.lennoxintl.com
rchdnslep01.lennoxintl.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:205.145.201.253 ip4:12.129.29.143 ip4:205.145.193.7 include:spf.protection.outlook.com include:mail.zendesk.com mx include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- 1password-site-verification=LQAZO67NVJDOVIG5I2IEJ2XKWM
- smartsheet-site-validation=dKeKy9VdTdpSN09obZoCSQmhTJFLsooy
- ZTkFv2vd2BFyMwJ/8flkgmEgd/oUS0VLTKUmGYFr2YaGX8naoAA8YikRUemsXSjVycqfCY35QFXnmznW8V7Vcw==
- SPFv=spf1 ip4:205.145.201.253 ip4:12.129.29.143 ip4:205.145.193.7 include:spf.protection.outlook.com include:mail.zendesk.com mx include:_spf.salesforce.com -all
- google-site-verification=KNEO_E44twrrAh5hcpOdXUJI5zUbZUx7FdT5tqTCOP0
- KNFQ6JEw8k216TcueCQIk4VfzAIQQQXtnnm0rHeGNWJQAFI7CCTOgzbzszdqZbYbM9rZzOFKBtNEZ7F1Phcnlg==
- apple-domain-verification=oouOmXfvuflqnNup
- postman-domain-verification=c16dd9a6d16540bb1b64f706e160102638518a106eccc9ce8e3752226d65464c467f97172276cbf4dd1c16a03010490d65643053470fce4d28f1cd406c875bdc
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