Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crenshaw-schools.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:54:11 UTC · ↺ Refresh
MX Hostnames
- ASPMX3.GOOGLEMAIL.COM
- ALT2.ASPMX.L.GOOGLE.COM
- ASPMX2.GOOGLEMAIL.COM
- ASPMX.L.GOOGLE.COM
- ALT1.ASPMX.L.GOOGLE.COM
MX Priorities
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
A / AAAA Records
- 18.233.124.95 ↩ ec2-18-233-124-95.compute-1.amazonaws.com
- 52.206.191.232
- 54.221.139.169
Mail Server IPs
- 142.251.179.27 ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
asnsvr.asc.edu phduggan.asnmail.asc.edu 2025072915 600 300 900 800
Primary NS (mname)
asnsvr.asc.edu
Admin Email (rname)
phduggan@asnmail.asc.edu
Serial
2025072915
Refresh
600s
Retry
300s
Expire
900s
Minimum TTL
800s
Nameservers (NS)
ns2.asc.edu
asnsvr.asc.edu
ns3.asc.edu
asnsvr2.asc.edu
ns1.asc.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.bbnotify.net include:_spf.google.com ip4:129.66.13.114 a mx a:mail ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=50; rua=mailto:[email protected]; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 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
2 records- apple-domain-verification=rqG0hc5dutKNtgA3
- SPFv=spf1 include:_spf.bbnotify.net include:_spf.google.com ip4:129.66.13.114 a mx a:mail ~all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for crenshaw-schools.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits