Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flsouthern.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 22:18:47 UTC · ↺ Refresh
MX Hostnames
- d174344a.ess.barracudanetworks.com
- d174344b.ess.barracudanetworks.com
MX Priorities
- d174344b.ess.barracudanetworks.com: 10
- d174344a.ess.barracudanetworks.com: 10
A / AAAA Records
- 20.40.202.27 (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
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 2022061701 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2022061701
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.dynect.net include:servers.mcsv.net include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.messagegears.net include:technolutions.net include:e2ma.net include:spf.ess.barracudanetworks.com include:cust-spf.cashnet.com ip4:3.214.204.181 ip4:44.211.178.112/28 ip4:3.101.216.144/28 -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- adobe-idp-site-verification=93e0faf6-9354-4b6a-81a3-2f660b0f3cbc
- MS=9D743C30F90D720265A407CE062890C7F4B62B27
- BPL=434028
- /GsidJT254kDmFU4N9aPLXlB+9unKMOcdPvlYiDhhXTsk2pT0Ldv95YcHCOphGqQc0kepsU/CSDh/A1VoSoWmw==
- SPFv=spf1 include:spf.dynect.net include:servers.mcsv.net include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf.messagegears.net include:technolutions.net include:e2ma.net include:spf.ess.barracudanetworks.com include:cust-spf.cashnet.com ip4:3.214.204.181 ip4:44.211.178.112/28 ip4:3.101.216.144/28 -all
- google-site-verification=Z9jfQgG2wK_BISU7Yx3LZTRW5d8BcE1Ah3AHRO8Nfn4
- facebook-domain-verification=zgxndbm8k97q2hfbp8zxaneub13dmh
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