Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calvertfirerescueems.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:09:57 UTC · ↺ Refresh
MX Hostnames
- mail.firehousesolutions.com
MX Priorities
- mail.firehousesolutions.com: 0
A / AAAA Records
- 20.51.216.100 ↩ firehousesolutions.com
Mail Server IPs
- 40.76.153.250 ↩ mail.firehousesolutions.com
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
ns1-02.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:mail.firehousesolutions.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a:mail.firehousesolutions.com ~all
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