Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cofo.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:52:00 UTC · ↺ Refresh
MX Hostnames
- mxb-00869601.gslb.pphosted.com
- mxa-00869601.gslb.pphosted.com
MX Priorities
- mxb-00869601.gslb.pphosted.com: 10
- mxa-00869601.gslb.pphosted.com: 10
A / AAAA Records
- 34.197.141.149 ↩ ec2-34-197-141-149.compute-1.amazonaws.com
- 44.198.11.97 ↩ ec2-44-198-11-97.compute-1.amazonaws.com
Mail Server IPs
- 148.163.152.159 ↩ mx0b-00869601.pphosted.com
SOA Record
Raw SOA
ns-81.awsdns-10.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-81.awsdns-10.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1615.awsdns-09.co.uk
ns-633.awsdns-15.net
ns-81.awsdns-10.com
ns-1456.awsdns-54.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ 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
22 records- logmein-verification-code=c0f60a63-70f8-4935-b4aa-a9d0ed2b9b6f
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- _globalsign-domain-verification=dOVfoUTmWmvPmbDhPp6AfEmOrtXW1ova8RAyeSVRfS
- replit-verify=4f34f491-1760-4dd1-b2a5-bb0a9d47b7fb
- detectify-verification=0db7d9f5ebea87504463d1bcb410f401
- logmein-verification-code=793f7806-4b6d-460b-9b71-0841f38b2987
- bIK0hgyBtwBC6atqe9ADtavv0RHM7CQoopbP4V158qTYhfDChp1346pwyYa/nY5+YMZzGHjAqOHmdCYDWv2ybA==
- MS=ms75620757
- MS=F3A77DDAC3FA05931DE4875F59CE0F67E0E86414
- _globalsign-domain-verification=HIiOO6IItxurF7FvikeoZcBjMHVqeHZAfqUpgUTwWv
- _globalsign-domain-verification=Ip0s7l_KCMHZCQQ_jpOFsj03gyfwI4uDW1NMOINUmd
- google-site-verification=NCpY0UIImPnNHZwsCjXqC_li070OQ_WDAVJrm8vFjGg
- Foxit-domain-verification=7a5ad231f8c47c84726f48a96a4f5365
- zapier-domain-verification-challenge=37195d75-3b1f-4a5b-a6a6-fd6ed65d727f
- domain-verification=003c0fce429269dd84e6feb0c5af4f9590b9eb395c4ef167813dec67a7f70065
- replit-verify=4236429c-92e1-42e1-ac85-5c43e640b567
- _globalsign-domain-verification=zQg3_zNDGj1Rlif2jhwYaVYkirsmPcMKjREHCDqCQd
- adobe-idp-site-verification=c42e02d9778e29784caef3c4bf652e7259ad48c45b2b3f1824e25ab53e893aec
- apple-domain-verification=d9agjyAQ1GDDdW0s
- AQT3PFHUV86EWKXXF4ULAG1BNUZMLHPZCI989Y510
- _globalsign-domain-verification=Bc2Yv0JCBvD7EpcJ9rNi_KUty_kBuWYBdWeKKYF1ps
- replit-verify=71f70eb6-6d80-4837-a1c6-4d576c999357
Full email verification for cofo.edu
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