Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
hufsd.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:57:28 UTC · ↺ Refresh
MX Hostnames
- d178787b.ess.barracudanetworks.com
- d178787a.ess.barracudanetworks.com
- hufsd-edu.mail.eo.outlook.com
MX Priorities
- d178787b.ess.barracudanetworks.com: 10
- d178787a.ess.barracudanetworks.com: 0
- hufsd-edu.mail.eo.outlook.com: 20
A / AAAA Records
- 170.161.71.56
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c936::
SOA Record
Raw SOA
mrbodnsmaster101.nss.crowncastle.com hostadmin.crowncastle.com 2020032118 10800 3600 2419200 300
Primary NS (mname)
mrbodnsmaster101.nss.crowncastle.com
Admin Email (rname)
hostadmin@crowncastle.com
Serial
2020032118
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.hvdata.net
ns2.hvdata.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -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
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
- MS=611C0799B239EDD540A532D896DF6C7C0657630F
- apple-domain-verification=96lOKHFeAw0r3f30
- apple-domain-verification=mdC1d5y0jbvrbDAk
- wnxhJbtiEWgU8kfm7thCB++NlZL8TZeaKg96sDjrnI2CfgZdc+sNO2clAm60l9GDdWZUC7Eyb9ksfhmg0IJlMw==
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for hufsd.edu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits