Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigbandnet.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:37:24 UTC · ↺ Refresh
MX Hostnames
- bigbandnet-com.mail.protection.outlook.com
MX Priorities
- bigbandnet-com.mail.protection.outlook.com: 20
A / AAAA Records
- 128.136.141.23 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns4.commscope.com dnsadmin.arris.com 23 10800 3600 2419200 900
Primary NS (mname)
ns4.commscope.com
Admin Email (rname)
dnsadmin@arris.com
Serial
23
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns3.arrisi.com
ns4.commscope.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- MS=ms26402370
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