Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hcsb.k12.fl.us
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 19:15:41 UTC · ↺ Refresh
MX Hostnames
- d308582b.ess.barracudanetworks.com
- d308582a.ess.barracudanetworks.com
MX Priorities
- d308582a.ess.barracudanetworks.com: 10
- d308582b.ess.barracudanetworks.com: 15
A / AAAA Records
- 150.176.174.11 ↩ www.hcsb.k12.fl.us
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
htennocbddi03.hten.net please_set_email.absolutely.nowhere 171 10800 3600 2419200 900
Primary NS (mname)
htennocbddi03.hten.net
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
171
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns2.mfn2.myflorida.com
ns3.mfn2.myflorida.com
ns1.mfn2.myflorida.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:150.176.174.27 ip4:66.195.143.26 ip4:8.12.72.20 -all
📊 DNS lookups: 2/10
✓ 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],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
15 records- 297otbmb5atvonp1lt9lvbv44v
- 79djplh4jsa9jqj3ju011uji9q
- d83946iaducak1akndkorumpd1
- nintex.65eeed3adabe794f9614e684
- 6nkvpd8r3nak0m0jdcoidof4he
- k3jid514d6r6d2d63sfej0gbuc
- nintex.65dbfa10b34174220d35b21c
- DMARCv=DMARC1;p=none;fo=1;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
- sophos-domain-verification=fa6c1d77980ad306d03a991cb74709317401159efbc679d2f7ef677d0641e8a3
- 4ap9p6gbfec7pn6hmqkjmtjeks
- MS=ms43223229
- v=msv1 t=a420d26a570e4ca00a997434c6ba4a
- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com ip4:150.176.174.27 ip4:66.195.143.26 ip4:8.12.72.20 -all
- apple-domain-verification=R14wgtn2zDGQRDZD
- adobe-idp-site-verification=2d8a003255f608d6306a7d948a4b607e38f4618bb106abc50879c660e9af3f33
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