Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
q2b.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 01:41:26 UTC · ↺ Refresh
MX Hostnames
- q2b-com-mx.mail.protection.outlook.com
MX Priorities
- q2b-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 104.225.208.27 ↩ dfw-s05.nixihost.com
Mail Server IPs
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns109.nixihost.com alerts.nixihost.com 2026031401 3600 1800 1209600 86400
Primary NS (mname)
ns109.nixihost.com
Admin Email (rname)
alerts@nixihost.com
Serial
2026031401
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns109.nixihost.com
ns110.nixihost.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:104.225.208.27 +include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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=ms77399229
- SPFv=spf1 +a +mx +ip4:104.225.208.27 +include:spf.protection.outlook.com -all
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