Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
8minute.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 22:19:35 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
- 8minute-com.mail.protection.outlook.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- 8minute-com.mail.protection.outlook.com: 30
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 172.67.140.96
- 104.21.40.241
- 2606:4700:3036::6815:28f1
- 2606:4700:3037::ac43:8c60
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
pablo.ns.cloudflare.com dns.cloudflare.com 2399081705 10000 2400 604800 1800
Primary NS (mname)
pablo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399081705
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vida.ns.cloudflare.com
pablo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
11 records- slack-domain-verification=S9xOgzdpDWumvXwH39W8EIIh5DQbbmXHJ4gdyiuK
- smartsheet-site-validation=W8XVVZe-5qy4FAUcejfAFR7vs8GCpAym
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:_spf.salesforce.com -all
- 0ed1fe018ade779c741e7d48438118d90d187c88f8
- MS=ms97060527
- amazon-business-verification=db91e081bfca5435bc7e264ee5db020723c387275e3c4fc10499ccce101b23f6
- atlassian-domain-verification=goRXNiY4yBALslce8nQXsUfRFRpJKfnYpBhrx7hlau5m5nyeS2KRR0oeOlnir4gE
- box-domain-verification=8b6f078b4a63cfe0f82c6be87c11da8403cb96f3d4a7439eba7060f75d4c6a1c
- docusign=a6e80253-42db-43b3-8892-bd5b5ec8c32b
- google-site-verification=J2S01c6T-rbFoVwgjnd09Q54v_AWsOmhvJmoFHOGx5Q
- remarkable-domain-verification=a0a3bcdc-6825-43ce-8bbc-37397f4e9b2c
Full email verification for 8minute.com
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