Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
williammattar.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 06:02:29 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
jason.ns.cloudflare.com dns.cloudflare.com 2396670900 10000 2400 604800 1800
Primary NS (mname)
jason.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396670900
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jean.ns.cloudflare.com
jason.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com ip4:184.95.35.115 ip4:3.22.140.247 include:_spf.adp.com include:50339130.spf03.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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
7 records- duo_sso_verification=BrBp4sQIs4TYLfeH89OtbcxHHQgSaMnJbdqaZ73t8S4Lv4wbxkvCveRvgEOIxtx2
- google-site-verification=7zVzj9p4x-9KGsRnssKxI4jL0YGJUbkbulk4MKDJAWg
- ppe-9d9e724f08b89b7ca1d3ea084dc635bda33b0138
- SPFv=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:spf-ca.emailsignatures365.com ip4:184.95.35.115 ip4:3.22.140.247 include:_spf.adp.com include:50339130.spf03.hubspotemail.net ~all
- 0ed1fe018a3a02d3e81be840df89cdd2f8be494c85
- MS=E5B833E703932A3082B4ED3DDBC6DBEA281ECF9F
- cisco-ci-domain-verification=4baed1ff84ffbc07bfad0a407597b8edab39f9a684fb454cfea27ad3094d79a0
Full email verification for williammattar.com
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