Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coastal.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 15:41:20 UTC · ↺ Refresh
MX Hostnames
- d137206a.ess.barracudanetworks.com
- d137206b.ess.barracudanetworks.com
MX Priorities
- d137206b.ess.barracudanetworks.com: 20
- d137206a.ess.barracudanetworks.com: 10
A / AAAA Records
- 199.120.21.79 ↩ www.coastal.edu
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
chants.coastal.edu postmaster.coastal.edu 2026030400 21600 3600 1209600 86400
Primary NS (mname)
chants.coastal.edu
Admin Email (rname)
postmaster@coastal.edu
Serial
2026030400
Refresh
21600s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns.coastal.edu
chants.coastal.edu
drns.coastal.edu
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.120.21.17 ip4:199.120.21.59 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
2 records- SPFv=spf1 ip4:199.120.21.17 ip4:199.120.21.59 include:spf.ess.barracudanetworks.com -all
- MS=ms12173817
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