Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cesco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 20:54:00 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.17.146.5 (no PTR)
- 104.17.145.5 (no PTR)
- 2606:4700::6811:9105 (no PTR)
- 2606:4700::6811:9205 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.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
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ignacio.ns.cloudflare.com dns.cloudflare.com 2399065201 10000 2400 604800 1800
Primary NS (mname)
ignacio.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399065201
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
magali.ns.cloudflare.com
ignacio.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.cesco.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- ZOOM_verify_tVCQIXlPQW2e1Y8qWnF3Jw
- _amazonses.cesco.comTXTTOhiDoYj8S+HiyIqgYgO2JxB5o1D8UpesQdkrT6ITCw=
- adobe-idp-site-verification=04cb5ad5b6b0e064a685ed28502d751fad83882a662340fd50441acaa3e5769c
- apple-domain-verification=ojeQ3YVmLu7dfK54
- bluebeam-verification=aui3lnkscs4i4kv4hbos8wnc4b8yqf
- docusign=1c7ff823-2ff4-4eaa-b353-e8e4e2fcd087
- google-site-verification=gyirC83VEqhuBnltEIqRWCEADjhE2AMRNfJx8tMhmtQ
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.cesco.com -all
- 6kkmnq7z5pxqqktpsrrzctf8sk8mgz3v
- HjHkexGsd3MrsZst8cYSCI09IKhYcssEnDiwvfSz6w31AhlPopDvpUoQDdPtFqLQuPMs8IKZ7Gatl3n2hoGACA==
- LcM+nUPhCMQ4Qm8trQKLLrbaGH1J6MGstmCNgNjimEyqK58lnAa4Z3F5905h7J+D8bTfLtWGoixaoGQni9BxHw==
- MS=40B6E3F2EDA9C01972A77E747229DB2B03C9AF86
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