Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knoxreia.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:28:18 UTC · ↺ Refresh
MX Hostnames
- knoxreia-com.mail.protection.outlook.com
- mail.knoxreia.com
MX Priorities
- mail.knoxreia.com: 100
- knoxreia-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.4.162.30 ↩ 64.4.162.30.static.a2webhosting.com
Mail Server IPs
- 64.4.162.30 ↩ 64.4.162.30.static.a2webhosting.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.a2hosting.com root.mi3-ts8.a2hosting.com 2026012201 3600 1800 1209600 86400
Primary NS (mname)
ns1.a2hosting.com
Admin Email (rname)
root@mi3-ts8.a2hosting.com
Serial
2026012201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.a2hosting.com
ns3.a2hosting.com
ns1.a2hosting.com
ns2.a2hosting.com
SPF Record
✓ Strict (-all)
v=spf1 +mx +ip4:70.32.23.80 +ip4:64.4.162.30 include:spf.protection.outlook.com include:spf.a2hosting.com include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._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
2 records- MS=ms50386285
- SPFv=spf1 +mx +ip4:70.32.23.80 +ip4:64.4.162.30 include:spf.protection.outlook.com include:spf.a2hosting.com include:sendgrid.net -all
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