Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
asfa.k12.al.us
Yes
โ Yes
Barracuda
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-28 06:35:20 UTC ยท โบ Refresh
MX Hostnames
- d197338b.ess.barracudanetworks.com
- d197338a.ess.barracudanetworks.com
MX Priorities
- d197338a.ess.barracudanetworks.com: 1
- d197338b.ess.barracudanetworks.com: 0
A / AAAA Records
- 104.17.67.73 (no PTR)
Mail Server IPs
- 209.222.82.255 โฉ mail.ess.barracuda.com
- 209.222.82.252 โฉ mail.ess.barracuda.com
- 209.222.82.253 โฉ mail.ess.barracuda.com
SOA Record
Raw SOA
asnsvr.asc.edu phduggan.asnmail.asc.edu 2025121801 3600 300 604800 28800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2025121801
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
asnsvr.asc.edu
ns1.asc.edu
ns2.asc.edu
asnsvr2.asc.edu
ns3.asc.edu
SPF Record
โ Soft Fail (~all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net ~all
๐ DNS lookups: 3/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:outboundmail.blackbaud.net ~all
- adobe-idp-site-verification=718219e3d59618c5eeb715d6f8e7371f9fd7934e2c9361005a1af1e5975a9ded
- rkljppg0tjsyx9qwlq7p22gj4q49nhlj
- _adbl0qi7y40kjt0t2ptoioyxmmkou8p
- duo_sso_verification=XUOtXjDdkiTt1zb0LakZa7QfMrhsyikdB6XMDrpjalAXiotdD8TgI3MnjQkcBp1X
- fdku0o0tnsp23m0eq4usg0eegp
- MS=D4835D5533BA30C2F5C5DBF6B5118A195C7788A3
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for asfa.k12.al.us
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits