Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caldwell.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 19:13:30 UTC · ↺ Refresh
MX Hostnames
- mxa-00197a01.gslb.pphosted.com
- mxb-00197a01.gslb.pphosted.com
MX Priorities
- mxa-00197a01.gslb.pphosted.com: 1
- mxb-00197a01.gslb.pphosted.com: 1
A / AAAA Records
- 162.159.137.54 (no PTR)
- 162.159.136.54 (no PTR)
Mail Server IPs
- 67.231.149.183 ↩ mx0a-00197a01.pphosted.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010280 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010280
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns14.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns11.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:192.168.112.89/32 ip4:162.247.216.0/22 ip4:67.231.157.178 ip4:67.231.149.183 include:_spf.google.com include:spf.mandrillapp.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:184.106.13.89 include:spf.watermarkinsights.com include:_spf.emailcampaigns.net include:amazonses.com ~all
📊 DNS lookups: 5/10
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
k1._domainkey
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- 5dab3332033e0aab53ec703d9bea65e3582ca5b533ad5409b23a41cf5e352495
- facebook-domain-verification=fpwg8flp8pxq0w6rdcydcnd499sc4o
- adobe-idp-site-verification=a34158edea057e560d450a8502c807f4531b0807130a31d6588e73c892a5e88b
- SPFv=spf1 ip4:192.168.112.89/32 ip4:162.247.216.0/22 ip4:67.231.157.178 ip4:67.231.149.183 include:_spf.google.com include:spf.mandrillapp.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:184.106.13.89 include:spf.watermarkinsights.com include:_spf.emailcampaigns.net include:amazonses.com ~all
- apple-domain-verification=OpxvXm6paYTk7GE3
- google-site-verification=9Rwuh4XC2d7oeOySlyEooJqyKN_Xy0s3DOP-rNKJcRM
- MS=64C6A8EEFAF1343213C5676D4783B94FEAAE5FB5
- v=wcyLizqv a:dzc.caldwell.edu
Full email verification for caldwell.edu
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits