Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catapultlearning.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:55:45 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 192.0.66.228 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns81.worldnic.com namehost.worldnic.com 126022716 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022716
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns82.worldnic.com
ns81.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=77p5lkcm._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
mail._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
27 records- adobe-idp-site-verification=1637dd990d088be11301111e9cb5c3050c75542fe3d3f4655c29fbc64d42bdcf
- zapier-domain-verification-challenge=fb919cfe-1395-4151-884f-99998925b965
- notion-domain-verification=kMI1ytPXhv53oCdUgG3pl7fmCafYx1BIKcFqPMQ4tr6
- atlassian-domain-verification=Q+J9DQF4/2DhUd3D5g0nymEZ66TOPVFfMitbRQUjNsYmflDeLcxXXqg0griytvXz
- ZOOM_verify_eqRQ-iDWTYiNfpUzw6GgtQ
- monday-com-verification=gc9HmC09sL1y0qkL3mfvQUGXVJyLjnY8lUUcVACKx8M
- _globalsign-domain-verification=Ddk2DZgRqE7a_FVzT9_MspSQdjqTYdecaFrGjIi28D
- cl_verification=788b215e-49ce-4e45-a63b-79555756a2b0
- apple-domain-verification=iBV4nLl0ddL3n7MM
- 71a80a590be7f0775c0a7012d7bf589b
- SPFv=spf1 redirect=77p5lkcm._spf._d.mim.ec
- pendo-domain-verification=AXTB1ecrup5RmV9O0IFBDkQg9Kc
- brevo-code:36a35f4e9fdabaf40688bf77f921c9e7
- msfpkey=10mcudafiawslvg7nj8wpcgpw
- sophos-domain-verification=b0cb23b28722c2317f4d6be4d436cb821bd3543f31f6ba46efe5986236f3471e
- atlassian-domain-verification=PrxkDRNd1Ndg7raOkaTtseQrK2yuixAgRunQFNckmkATM6hBP6qbwqilfRRgjacK
- docusign=4d37bd6d-5a62-40e2-a22d-733cdc3fd451
- openai-domain-verification=dv-dPu56JZYuhPcQQLeIJWHdef7
- quickbase-site-verification-f0cdd11efb89ac0368b81ab37b098a992d6d8af7
- amazonses:10rcmq/evp5BwM1BpNTLJ5hQDAbLX4ioNchDCzQOSJg=
- facebook-domain-verification=4mcrj4tas7grs7pazh1hekz7ihuqf3
- stripe-verification=25DEAF65991E63C43C270AAD99C06D4ED9216A0CE20D4279359AFC8C19CAA3E0
- google-site-verification=-FXMf3oC1q3ByLcFlTw75jx15v_Qpd8PoE7ydZB1tKw
- slack-domain-verification=YJWwEbpRdyecXt53PSRBHauvFWxEQ9KKZehDp28P
- smartsheet-site-validation=S-NqBVCbAkRwIFm9ZTBSeCoGixkuj0iw
- _globalsign-domain-verification=EceDYuNnt-zmmERyhwluGOuQX4kMneBwWUxTLcjPzU
- apple-domain-verification=Xv9iBYMCSfW0cgQX
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