Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flintbuilders.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 09:01:00 UTC · ↺ Refresh
MX Hostnames
- flintbuilders-com.mail.protection.outlook.com
MX Priorities
- flintbuilders-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.128.242 (no PTR)
- 104.21.1.88 (no PTR)
- 2606:4700:3031::ac43:80f2
- 2606:4700:3035::6815:158
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
nina.ns.cloudflare.com dns.cloudflare.com 2399236303 10000 2400 604800 1800
Primary NS (mname)
nina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399236303
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nina.ns.cloudflare.com
scott.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.flintbuilders.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s2._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- cisco-ci-domain-verification=1bf247fb00c611a84751465e3b66573f6b5ad6ae8591ecb9a671dc03fb4c680d
- SPFv=spf1 include:_u.flintbuilders.com._spf.smart.ondmarc.com ~all
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