Domain Overview
DNS: ✓ 13h ago
Checker: ✓ 13h ago
sdccd.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 08:24:16 UTC · ↺ Refresh
MX Hostnames
- mxa-00057d01.gslb.pphosted.com
- mxb-00057d01.gslb.pphosted.com
MX Priorities
- mxb-00057d01.gslb.pphosted.com: 10
- mxa-00057d01.gslb.pphosted.com: 10
A / AAAA Records
- 104.18.28.200 (no PTR)
- 104.18.29.200 (no PTR)
- 2606:4700::6812:1cc8 (no PTR)
- 2606:4700::6812:1dc8 (no PTR)
Mail Server IPs
- 205.220.183.172 ↩ mx0b-00057d01.pphosted.com
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2403971819 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403971819
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.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; ruf=mailto:[email protected]; rua=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
10 records- MS=32C9F3B207AFA09A6A9D7E4437F98C34A562619B
- apple-domain-verification=lhwJSHdXa0HYTnMp
- atlassian-domain-verification=38atHUGEj9GqljEjB9BlfoWseP+169Ll2dyhjAFQfyrRqxZ4F2cuhdh3yYU4GdSX
- atlassian-sending-domain-verification=f5910f64-b722-42d7-97df-ee31acddc39c
- google-gws-recovery-domain-verification=66682773
- google-site-verification=NFH8DMkEKP1fqdlFsWOwzHdmVOp_o1Uk9O33HRvQiHk
- google-site-verification=p82AjkwPL-B-qGCCPQlMNa9ULy4Lopcn6s5dKeq2Uqo
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
- BURLal3hsanRWRnR7ZuJoLWWeivf3mOOMPl5NtRzxiG0wM9kCVx3p4dWjM5dIYU0nVNuTeCcbebINixOJ7LAvg==
- Brevo-code:6e6e94e1a57b7f65f6074ac6c2aace7f
Full email verification for sdccd.edu
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