Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usairfiltration.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:56:41 UTC · ↺ Refresh
MX Hostnames
- usairfiltration-com.mail.protection.outlook.com
MX Priorities
- usairfiltration-com.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.129.124 (no PTR)
- 151.101.193.124 (no PTR)
- 151.101.1.124
- 151.101.65.124
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
algin.ns.cloudflare.com dns.cloudflare.com 2399203529 10000 2400 604800 1800
Primary NS (mname)
algin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399203529
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ashley.ns.cloudflare.com
algin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:5230475.spf06.hubspotemail.net ip4:12.71.196.48/29 ip4:47.181.132.10/32 include:relay.mailchannels.net include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1:d:s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- upvvq7fke0unv8l4paa518g9d7
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:5230475.spf06.hubspotemail.net ip4:12.71.196.48/29 ip4:47.181.132.10/32 include:relay.mailchannels.net include:spf-us.emailsignatures365.com -all
- 9v72qu1omcd24qpv95u52ggisv
- MS=ms27316210
- google-site-verification=-3J0u9V9_cqm31HT_IK43kX71fznd_KijjKTVIOIqiE
- google-site-verification=5VX5FWadJwbBQQGQiU7y76o1cFqxQq23YDU1zUUJFgQ
- google-site-verification=Icdsq7z3cuf7OM67i_deiBRymHKl4ioCIwiTTIg214Y
- google-site-verification=_k8Btu0m983PDFrPgGCXgCY6sLNKnBr4zv3220pth4Y
- google-site-verification=vNq_67s6VxgeSGS-tyI3PESHnnSblIfBVfnST32kI8U
Full email verification for usairfiltration.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits