Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
freelibrary.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 04:23:23 UTC · ↺ Refresh
MX Hostnames
- d298731a.ess.barracudanetworks.com
- d298731b.ess.barracudanetworks.com
MX Priorities
- d298731a.ess.barracudanetworks.com: 5
- d298731b.ess.barracudanetworks.com: 10
A / AAAA Records
- 104.18.14.104 (no PTR)
- 104.18.15.104 (no PTR)
- 2606:4700::6812:e68 (no PTR)
- 2606:4700::6812:f68 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
autumn.ns.cloudflare.com dns.cloudflare.com 2398891267 10000 2400 604800 1800
Primary NS (mname)
autumn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398891267
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kolton.ns.cloudflare.com
autumn.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:outboundmail.convio.net ip4:38.98.224.88 ip4:38.98.224.89 ip4:149.72.123.49 ip4:149.72.135.169 ip4:149.72.161.145 ip4:149.72.192.49 ip4:149.72.41.21 ip4:167.89.95.204 ip4:168.245.125.165 ip4:131.239.6.88 ip4:131.239.6.89 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; fo=1; ri=86400; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- NxerzVHPG1CxfRftuw/mhSRrzgdkSjw/XsKzbsSeVPEDgW9wCDs9JojESc3UnIymwFslLJ+xW+KlwGpJhA3/SA==
- SPFv=spf1 mx include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:outboundmail.convio.net ip4:38.98.224.88 ip4:38.98.224.89 ip4:149.72.123.49 ip4:149.72.135.169 ip4:149.72.161.145 ip4:149.72.192.49 ip4:149.72.41.21 ip4:167.89.95.204 ip4:168.245.125.165 ip4:131.239.6.88 ip4:131.239.6.89 -all
- MS=ms55068956
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