Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbiabasin.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 04:41:24 UTC · ↺ Refresh
MX Hostnames
- mxa-00a04c01.gslb.pphosted.com
- mxb-00a04c01.gslb.pphosted.com
MX Priorities
- mxb-00a04c01.gslb.pphosted.com: 10
- mxa-00a04c01.gslb.pphosted.com: 10
A / AAAA Records
- 212.69.159.108 ↩ 212-69-159-108.databank.com
Mail Server IPs
- 66.159.239.103 ↩ mx0b-00a04c01.pphosted.com
SOA Record
Raw SOA
ns1-07.azure-dns.com hostmaster.columbiabasin.edu 2008091568 3600 120 1209600 3600
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
hostmaster@columbiabasin.edu
Serial
2008091568
Refresh
3600s
Retry
120s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3-07.azure-dns.org
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:134.39.190.0/24 ip4:107.21.254.139 ip4:168.156.9.200 ip4:142.176.4.58 ip4:74.122.104.0/22 ip4:13.90.88.177 ip4:207.200.20.0/24 ip4:212.69.159.108 ip4:66.159.241.131 ip4:66.159.239.103 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- eauua87oi96b2v4ppf7l1e0l26
- adobe-idp-site-verification=f3580f95-0466-4300-8269-4a4efd842bb0
- SPFv=spf1 ip4:134.39.190.0/24 ip4:107.21.254.139 ip4:168.156.9.200 ip4:142.176.4.58 ip4:74.122.104.0/22 ip4:13.90.88.177 ip4:207.200.20.0/24 ip4:212.69.159.108 ip4:66.159.241.131 ip4:66.159.239.103 include:spf.protection.outlook.com include:servers.mcsv.net include:mailgun.org ~all
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