Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
d211.org
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 19:15:17 UTC · ↺ Refresh
MX Hostnames
- d124601a.ess.barracudanetworks.com
- d124601b.ess.barracudanetworks.com
MX Priorities
- d124601b.ess.barracudanetworks.com: 10
- d124601a.ess.barracudanetworks.com: 0
A / AAAA Records
- 52.206.191.232 ↩ ec2-52-206-191-232.compute-1.amazonaws.com
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1-08.azure-dns.com hostmaster 2018073020 900 600 86400 3600
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
hostmaster
Serial
2018073020
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:_spf.smtp.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:corp.follettlearning.com include:_spf.bbnotify.net include:spf.schoolwires.net include:mg.infinitecampus.org -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; 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]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
11 records- wf07svsy9z65xfdmzz9r95gdq2bdjmrq
- 6rg8t0q8msxl7jlfw3lkwxqcmsr0knbs
- openai-domain-verification=dv-yQdoWBhEVgEJuLbq3jshtlW4
- jamf-site-verification=G9G_YGCVB24ic7Nou5piYQ
- schoology-domain-verification=f73dc3a6fa3145abdeeda4c60e29ff226530dd3f8362025e04941ea68fa8b2e4
- a0f05993147498afa4e8d911709c6024
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:_spf.smtp.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:corp.follettlearning.com include:_spf.bbnotify.net include:spf.schoolwires.net include:mg.infinitecampus.org -all
- adobe-idp-site-verification=45a2d0d2e80a80e2a833abf1a44529f70fdb220233695b975abc92a9fa4b7507
- cisco-ci-domain-verification=531f71ed30c0f17293f1b487d5307cb49b47bbe034d81bcba8d01a510d4dd494
- apple-domain-verification=sQ2PWi7SNzkajO02
- d3uiDEsW2hhGHLE7Enb0jtGsAD1Oba4uzUePib4TRQ3QuhEH/UdrBzlMWtkAdY+28o9sSkXqqK/qH8K+eQu0IA==
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