Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
formidium.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:44:04 UTC · ↺ Refresh
MX Hostnames
- d278638b.ess.barracudanetworks.com
- d278638a.ess.barracudanetworks.com
MX Priorities
- d278638b.ess.barracudanetworks.com: 1
- d278638a.ess.barracudanetworks.com: 0
A / AAAA Records
- 3.170.19.7 ↩ server-3-170-19-7.iad61.r.cloudfront.net
- 3.170.19.43 ↩ server-3-170-19-43.iad61.r.cloudfront.net
- 3.170.19.58 ↩ server-3-170-19-58.iad61.r.cloudfront.net
- 3.170.19.112 ↩ server-3-170-19-112.iad61.r.cloudfront.net
- 2600:9000:20a6:4200:13:481b:6e00:93a1 (no PTR)
- 2600:9000:20a6:5a00:13:481b:6e00:93a1 (no PTR)
- 2600:9000:20a6:2200:13:481b:6e00:93a1 (no PTR)
- 2600:9000:20a6:7e00:13:481b:6e00:93a1
- 2600:9000:20a6:d600:13:481b:6e00:93a1
- 2600:9000:20a6:b000:13:481b:6e00:93a1
- 2600:9000:20a6:5400:13:481b:6e00:93a1
- 2600:9000:20a6:9200:13:481b:6e00:93a1
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
harlee.ns.cloudflare.com dns.cloudflare.com 2400163061 10000 2400 604800 1800
Primary NS (mname)
harlee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400163061
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
harlee.ns.cloudflare.com
steven.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:20673369.spf06.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=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
3 records- anthropic-domain-verification-23qg3q=Ql7XTzT1ZAwdusIhde6zrNx8t
- atlassian-domain-verification=DakLJVWGgWd7e70jsLEaskCfmRrZNNws1Xi0aP/DCBV8BcdXfZ6KZV3PgLb3NZ8B
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:20673369.spf06.hubspotemail.net -all
Full email verification for formidium.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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