Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calvertinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:05:55 UTC · ↺ Refresh
MX Hostnames
- calvertinc-com.mail.protection.outlook.com
MX Priorities
- calvertinc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.84.235 (no PTR)
- 172.67.198.224 (no PTR)
- 2606:4700:3034::ac43:c6e0
- 2606:4700:3030::6815:54eb
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
bruce.ns.cloudflare.com dns.cloudflare.com 2400024780 10000 2400 604800 1800
Primary NS (mname)
bruce.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400024780
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bruce.ns.cloudflare.com
serena.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com a mx include:spf.smtp2go.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ 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
✓ 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- SPFv=spf1 include:spf.protection.outlook.com a mx include:spf.smtp2go.com ~all
- apple-domain-verification=5GT7r0y6CW38ShL1
Full email verification for calvertinc.com
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