crockerair.com

Valid Email Server
Domain Lookup › crockerair.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
crockerair.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-19 09:09:13 UTC · ↺ Refresh

MX Hostnames

  • mx1-us.emailsecurity.app
  • mx2-us.emailsecurity.app

MX Priorities

  • mx1-us.emailsecurity.app: 5
  • mx2-us.emailsecurity.app: 10

A / AAAA Records

  • 72.167.39.6 ↩ 6.39.167.72.host.secureserver.net

Mail Server IPs

  • 40.121.188.167 ↩ mx1-us.emailsecurity.app
  • 172.212.4.33 ↩ mx1-us.emailsecurity.app

SOA Record

Raw SOA ns19.domaincontrol.com dns.jomax.net 2026051401 28800 7200 604800 600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026051401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns20.domaincontrol.com
ns19.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:72.214.255.101 include:spf1.emailsecurity.app include:spf.protection.outlook.com ip4:72.52.119.64/26 ip4:65.49.23.0/24 include:sender.zohobooks.com include:spf.smtp2go.com include:_spf.quotientapp.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

9 records
  • apple-domain-verification=BJTIvHOwjKKu1DvsvfNhCcVF9pr5mQq9tHU0gkHPXVc
  • openai-domain-verification=dv-qd4DT2x4l4CWhxdLS7tPEuCU
  • apple-domain-verification=BxYvPBeBATh2XtMg
  • google-site-verification=-xwI6NN9MDXuIkxIQ3WddvMY3vlzRRfHysjbvoarous
  • DMARCv=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
  • google-site-verification=Ei4K_UB3Do1i6tvyhQlN5D-nUWbEyNjVu4MThYOOGek
  • MS=ms31738092
  • DKIMv=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDHyekYywyb36266RIfC+IawvBqda5swDq2DcvXmZshQR/mFXHV3BuntGYBWDfzW8U0dqmu9/Zv4b9/+zdRCHYuH1exsMTLvZqJZli9MN0/RIId9K9exiDTbz17vYQaPwUZ0zl+bAMSqeAEeBLWI3WeZPpLsx+6UGzkaRuGWkro8wIDAQAB
  • SPFv=spf1 ip4:72.214.255.101 include:spf1.emailsecurity.app include:spf.protection.outlook.com ip4:72.52.119.64/26 ip4:65.49.23.0/24 include:sender.zohobooks.com include:spf.smtp2go.com include:_spf.quotientapp.com -all
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