Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
la.twcbc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 08:13:21 UTC · ↺ Refresh
MX Hostnames
- mx2.biz.rr.com
- mx1.biz.rr.com
MX Priorities
- mx1.biz.rr.com: 10
- mx2.biz.rr.com: 20
A / AAAA Records
- 165.237.94.79 ↩ unknown.twcable.com
Mail Server IPs
- 47.43.26.67 ↩ p-bc5-iedge-vip.rr.com.msg.pkvw.co.charter.net
- 47.43.26.68 ↩ p-bc5-iedge-2-vip.rr.com.msg.pkvw.co.charter.net
SOA Record
Raw SOA
ns1.biz.rr.com hostmaster.charter.com 2025060000 43200 3600 2419200 3600
Primary NS (mname)
ns1.biz.rr.com
Admin Email (rname)
hostmaster@charter.com
Serial
2025060000
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.biz.rr.com
ns2.biz.rr.com
dns4.rr.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.twcbc.com ~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
1 record- SPFv=spf1 include:_spf.twcbc.com ~all
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