Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:34:49 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 99.84.234.66 ↩ server-99-84-234-66.jfk50.r.cloudfront.net
- 99.84.234.89 ↩ server-99-84-234-89.jfk50.r.cloudfront.net
- 99.84.234.12 ↩ server-99-84-234-12.jfk50.r.cloudfront.net
- 99.84.234.127 ↩ server-99-84-234-127.jfk50.r.cloudfront.net
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-586.awsdns-09.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-586.awsdns-09.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-447.awsdns-55.com
ns-586.awsdns-09.net
ns-1227.awsdns-25.org
ns-1705.awsdns-21.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:130.187.210.1 ip4:130.187.211.1 ip4:130.187.212.1 ip4:130.187.213.1 ip4:130.187.230.1 ip4:54.70.123.41 include:spf.protection.outlook.com include:spf1.cosm.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
25 records- autodesk-domain-verification=IwSLljzJrCmHF9uDrRiQ
- jetbrains-domain-verification=5jbmvds1dj16qzqxst8xlv3yf
- google-site-verification=aeBm5YN5SDdE_3ReECbMA6DIZxOwbuDeC77mD-_HsRc
- miro-verification=d5423ee6e926d3d5b9430f86234d8fd14364fd3a
- ZOOM_verify_MAniqIcYTxutl5liqDGxug
- adobe-idp-site-verification=bd275613b44a2bfdf8b9fd1dfd29c778984ecb44462249bfaaaafaa75a049f20
- apple-domain-verification=cdm8rboEnTNBB8ot
- google-gws-recovery-domain-verification=45828320
- atlassian-domain-verification=/vljgRbO/75mYMwNVsaW8iDkKezhZ3hofJycg7FXZ9CEL16JI8gi9bulcbnRlzsg
- canva-site-verification=boPbEAMpqXgBE2zs7uTOTg
- intacct-esk=B4CF4446F12EB8B4E0539A220D0A2D7B
- mongodb-site-verification=p43ssIWaIeRGo7Ol3QXvKD6nTtPHe4R2
- docusign=b1fa08e5-cdfa-4e46-919d-62e2f11bd31b
- anthropic-domain-verification-6mkap2=5ez4gmzJT0kEfb8tGkY9NdSar
- MS=ms46118217
- cloudhealth=03b85182-9cba-485d-b85f-83070831fadb
- twilio-domain-verification=e508207a81f63b7eb17e029c3c3d0f54
- jamf-site-verification=kAsU0gTB-hkMf4Sh53cfJA
- notion-domain-verification=lU0TeKY40pPPNmWCQyhUDohZWyPL0srdlzxGp607XeL
- SPFv=spf1 ip4:130.187.210.1 ip4:130.187.211.1 ip4:130.187.212.1 ip4:130.187.213.1 ip4:130.187.230.1 ip4:54.70.123.41 include:spf.protection.outlook.com include:spf1.cosm.com -all
- slack-domain-verification=N6bOdee7xfIXQnxodBujmSzlYVtHJUlvrWY2phiX
- google-site-verification=CMsEeVGfTNb026udKfcSo8nFct4smtZLDT2m8ZS64pg
- smartsheet-site-validation=kbTlZG43k5zfBUwUe1rC8Hb6U_Nq0GBi
- amazon-business-verification=3fdf169c3c66096c5f43603919fac59a098f20c694bfb4e161a4d41008c89bd7
- google-site-verification=UiCEayIB-YmvUgyPkhNZaI9araHyAGqKvHbFjOP7Xwg
Full email verification for cosm.com
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