Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cisecurity.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 20:47:43 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.18.28.89 (no PTR)
- 104.18.29.89 (no PTR)
- 2606:4700::6812:1c59 (no PTR)
- 2606:4700::6812:1d59 (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
cecelia.ns.cloudflare.com dns.cloudflare.com 2399421468 10000 2400 604800 1800
Primary NS (mname)
cecelia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399421468
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
cory.ns.cloudflare.com
cecelia.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=500fl2w5._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
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 37 chars (valid)
⚠ Public key too short (37 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
33 records- jamf-site-verification=yzDVJbzcFyAAk4e2pk8OSw
- google-gws-recovery-domain-verification=38550109
- stripe-verification=0EDA57BE26846089B4AF8006A9928B35A4F915B1FFE85FCEF1A4D8A6F5CF30A1
- atlassian-domain-verification=KWz1nhkpi11E3nPB4M8SCrCEhzaP4cUO4bFgX/aX7e6AYDxjMoygWPj4X8YSoxKt
- ms-domain-verification=7d6567a1-efd5-46c0-bfb7-2872e1ed13e6
- MS=6D1B0A476DD6040F29C96FCA5F8FAFDBCB698E50
- google-site-verification=Q1s309tGk0Q6xZlmCPberQfXO7c6JWAOyYhy7EiZxOo
- docusign=3e38717c-b647-466b-b0e2-de028b434b43
- MS=ms51281823
- C02F6D3BA669BDBDB48DB02108C170C9F6FD36034D6A325B2E7A34CA6D966606
- cisco-ci-domain-verification=19a3cd0f104ca8c83096b4585909aace1f8056dc81090b90f13eef419db074b7
- onetrust-domain-verification=99f0d6e3f6be4a1c91c30b7e01981f85
- hcp-domain-verification=842174d406de2001d6a5c2f074fde842a716edfa2f53f1f31d2dad0a15d34bb9
- D49E48BC2A028C3639ECD964B902812566E040FB764FCF10CB2D3E7886CBD4C0
- amazonses:dC40FZ+4dUSlpnBQ3UT5hQdViX669Mk80gL6hO8o7V0=
- google-site-verification=d6JUsfLQG2XmfXAiMB8gsKaEugG5pEQXSHhMb5AahJI
- MS=ms92580780
- 0ed1fe018a62f28aed66fc4de7bf0c223c9898ea83
- zoho-verification=zb08523227.zmverify.zoho.com
- ZOOM_verify_DCva0dP70DCJtRqV2g1fBc
- google-gws-recovery-domain-verification=38512313
- google-site-verification=mXuhdtGnhUuHDA6p-avOBB3XZcMfOx7IqDsIIw0LFtI
- apple-domain-verification=bch5fibJxjgtCkxf
- openai-domain-verification=dv-fx8ims8xVOlmTuAWXPw6eJgX
- canva-site-verification=6K4A0inya5hLzgK9UQ1hnw
- google-site-verification=HrVU3c8DP9qk_cidAPB3sAIuKoC5x7oAfWQ-AgZs7eE
- SPFv=spf1 redirect=500fl2w5._spf._d.mim.ec
- have-i-been-pwned-verification=330ab8f3e1fd30f32455ae0005c6f9d3
- pardot799323=0b2afc943e45f8ccdb221c5a80d6bccf74944167884134ea3766a26116770546
- mindmanager-verification=a939968e549c9a0ed1dbb4b26602f61a0a760fc043f748d90813f25485b364a5
- pardot799323=8b6e6327e03af01e3aa056b4e66162f405dbd9e83dc3ede860bdc5712286df4a
- A1E8FB3487DB2E7061EE824EF0F7393D746F24D78456EABA5661AAA3CF5F4D42
- anthropic-domain-verification-16h2mj=dWdUkYgEqSFOyFB3jhuMeo8HK
Full email verification for cisecurity.org
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