Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buildingfirstnations.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:21:27 UTC · ↺ Refresh
MX Hostnames
- mail.buildingfirstnations.com
MX Priorities
- mail.buildingfirstnations.com: 0
A / AAAA Records
- 109.207.131.106 (no PTR)
- 109.207.131.231 (no PTR)
Mail Server IPs
- 109.207.131.231 (no PTR)
- 109.207.131.106 (no PTR)
SOA Record
Raw SOA
ns1.buildingfirstnations.com postmaster.buildingfirstnations.com 2026021901 10800 3600 1209600 38400
Primary NS (mname)
ns1.buildingfirstnations.com
Admin Email (rname)
postmaster@buildingfirstnations.com
Serial
2026021901
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
ns2.buildingfirstnations.com
ns1.buildingfirstnations.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:85.116.204.0/22 ip4:85.116.200.0/22 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ip4:85.116.204.0/22 ip4:85.116.200.0/22 -all
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