Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbiastate.edu
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:08:59 UTC · ↺ Refresh
MX Hostnames
- d228642b.ess.barracudanetworks.com
- d228642a.ess.barracudanetworks.com
MX Priorities
- d228642a.ess.barracudanetworks.com: 10
- d228642b.ess.barracudanetworks.com: 10
A / AAAA Records
- 198.146.104.18 ↩ www.columbiastate.edu
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
SOA Record
Raw SOA
dns1.columbiastate.edu postmaster.columbiastate.edu 2023111012 28800 7200 1209600 86400
Primary NS (mname)
dns1.columbiastate.edu
Admin Email (rname)
postmaster@columbiastate.edu
Serial
2023111012
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns1.columbiastate.edu
dns2.columbiastate.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.columbiastate.edu include:spf2.columbiastate.edu ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
9 records- apple-domain-verification=IobzXn8DEwdIuep3
- adobe-idp-site-verification=3775fb6a6692561026ff194a265fafef8819c740db98bab68749abaac65cab72
- 8+lFc8Me9sK4U4EY5P77Aq08pCHQJQW4MRK1KxavJMB/CRcbPLCHqFI3066kTWbXaukQg4Ftlk6SuWToATkpqw==
- MS=ms55238893
- google-site-verification=0hAMKeLZr7dbtxLHFr1YRpaZ5BROuXxHJRJFNgcsTew
- SPFv=spf1 include:spf1.columbiastate.edu include:spf2.columbiastate.edu ~all
- google-site-verification=tAHpP8UBzJOPnM6qloaDp7XTzbQbYDXaxajxzGlF0RM
- 96qq3fmukstrprtrd35277htn1
- google-site-verification=kJFvlnqd9m1-Emi-p-YqYb5yJqTal5v1deQ8IsjVPvQ
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