calacademy.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
calacademy.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 08:16:22 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 52.36.79.124
  • 54.203.153.139

Mail Server IPs

  • 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
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net

SOA Record

Raw SOA ns-754.awsdns-30.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-754.awsdns-30.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1109.awsdns-10.org
ns-1850.awsdns-39.co.uk
ns-489.awsdns-61.com
ns-754.awsdns-30.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.mailjet.com include:servers.mcsv.net include:rp.oracleemaildelivery.com include:spf.dynect.net include:spf_c.oraclecloud.com include:spf.mandrillapp.com include:mail.zendesk.com ip4:168.235.226.0/24 ip4:8.21.164.0/24 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; rf=afrf; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
google._domainkey
default._domainkey
k1._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

13 records
  • box-domain-verification=94dc0506ab352d082daabecdaaf8b4e9216087e05015342de6358557aa337118
  • adobe-sign-verification=fa34a128a19a5e02f093ca521b759303
  • lovable_verification=DmIQiNytEPtJ8KQGKL0s
  • bykfth635jj96hypd7fbsv56gzk18dm6
  • google-site-verification=xFybgO5jrLdcYOWAV_7dH96jim9VaqYtDoLnOcE9Z2w
  • SPFv=spf1 include:_spf.google.com include:spf.mailjet.com include:servers.mcsv.net include:rp.oracleemaildelivery.com include:spf.dynect.net include:spf_c.oraclecloud.com include:spf.mandrillapp.com include:mail.zendesk.com ip4:168.235.226.0/24 ip4:8.21.164.0/24 ~all
  • google-site-verification=PD1NcWT5JputkYzhXUygcMjewX0qnBXH1qb_LHJLzhg
  • google-site-verification=jJeeAH-B5_J84T8JUUJSuLDAWobl212mHo8WimLuQkY
  • google-site-verification=V5DFF_EfnCBZh7TWMfSrPSOsaDiqZRr0R3SCmmRq3_M
  • duo_sso_verification=bLGJBoRZn28fpgqA8htBdPks0TTQUOqHz6tj4YnJ3FLTJkLIWtIXmXDH3pMaUNGT
  • bgwj4nvw5xxnnkvrlx8by64gvjq76m40sophos-domain-verification=4ca93ecd4a1e4c93e3a50df1cb606dad15e9a53fae41e2722c612cd26b96ea02
  • cisco-ci-domain-verification=50077fac5e39bb798d6287ae365fa6eb0cffcc903eb4b342d800f144061f12be
  • google-site-verification=0LjEUxBIYcdkTYsXbMKvyRIdmvnwbSFfcQGWtP9PgCw
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