Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
howardair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 22:19:00 UTC · ↺ Refresh
MX Hostnames
- howardair-com.mail.protection.outlook.com
MX Priorities
- howardair-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.150.137 (no PTR)
- 104.21.30.41 (no PTR)
- 2606:4700:3034::ac43:9689
- 2606:4700:3032::6815:1e29
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
gemma.ns.cloudflare.com dns.cloudflare.com 2400477033 10000 2400 604800 1800
Primary NS (mname)
gemma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400477033
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kirk.ns.cloudflare.com
gemma.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 +a +include:sendgrid.net include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.us.exclaimer.net include:amazonses.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=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
7 records- MS=ms28348243
- apple-domain-verification=MyHe7vv7k6xqJqEj
- atlassian-domain-verification=fDzPc/VJTMaN1hPdgePJCxnyt4MLTcf0JhQQHeLZrGmmDX9Sn5R7SeabtvyJnK5p
- facebook-domain-verification=0845zg9e3o1yq7fqipdvls1lvqmvsl
- have-i-been-pwned-verification=831287b77f72fc2cf461ae5ef1e4487d
- rdpB3H8PcavrwbJjAkgtpZEzzKjaAw
- SPFv=spf1 +a +include:sendgrid.net include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.us.exclaimer.net include:amazonses.com -all
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