Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
customairco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:43:13 UTC · ↺ Refresh
MX Hostnames
- customairco-com.mail.protection.outlook.com
MX Priorities
- customairco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-33.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-33.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-33.azure-dns.info
ns1-33.azure-dns.com
ns2-33.azure-dns.net
ns3-33.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:24.123.154.74 mx include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
8 records- apple-domain-verification=pXkmnaX0frX0p5I8
- facebook-domain-verification=83livgrifv83wdwyv467n0y73i2a66
- MS=ms84423197
- L+PzEJXVUCm3gWRCLVVA1Ggxx373Dd6XS/F4YMS4ERrmFVnVoZS5ZnzReOoArUFuDpcvfdpyuRlymKTztFDlLw==
- MS=ms95200029
- google-site-verification=zSxGeGwjv8Dm0yDVYgtqEKHD4GRRtuyqsEiJaD1jiX4
- SPFv=spf1 ip4:24.123.154.74 mx include:spf.protection.outlook.com include:mailgun.org ~all
- Foxit-domain-verification=6c581debfd585e86c61d6dc271e19590
Full email verification for customairco.com
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