Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optonline.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 05:52:45 UTC · ↺ Refresh
MX Hostnames
- mx.altice.prod.cloud.openwave.ai
MX Priorities
- mx.altice.prod.cloud.openwave.ai: 10
A / AAAA Records
- 66.54.17.31 (no PTR)
Mail Server IPs
- 66.179.105.18 (no PTR)
SOA Record
Raw SOA
authns1.cv.net hostmaster.cv.net 2012306065 7200 600 604800 900
Primary NS (mname)
authns1.cv.net
Admin Email (rname)
hostmaster@cv.net
Serial
2012306065
Refresh
7200s
Retry
600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
authns1.cv.net
authns1.cvnet.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:optimum.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
2 records- SPFv=spf1 include:optimum.net ~all
- google-site-verification=0-oOZZtRp_pWMdrNfPJ1A7VDD0sb68rRyblkbfBkNiM
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