Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spearcenter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:09:51 UTC · ↺ Refresh
MX Hostnames
- spearcenter-com.mail.protection.outlook.com
MX Priorities
- spearcenter-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.20.31.43 (no PTR)
- 172.66.154.170 (no PTR)
- 2606:4700:10::6814:1f2b
- 2606:4700:10::ac42:9aaa
Mail Server IPs
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
edna.ns.cloudflare.com dns.cloudflare.com 2399083948 10000 2400 604800 1800
Primary NS (mname)
edna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399083948
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
santino.ns.cloudflare.com
edna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.emailsignatures365.com ip4:209.239.233.124 ip4:209.239.233.125 ip4:209.222.82.195 ip4:64.0.146.124 ip4:64.0.146.125 ip4:209.220.191.124 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- facebook-domain-verification=cpdg3g02huspcg1buha9m805s4bc4o
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.emailsignatures365.com ip4:209.239.233.124 ip4:209.239.233.125 ip4:209.222.82.195 ip4:64.0.146.124 ip4:64.0.146.125 ip4:209.220.191.124 -all
- MS=ms34168912
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