Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ixtapa.comcastbiz.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 22:28:59 UTC · ↺ Refresh
MX Hostnames
- mx01.biz.comcast.net
- mx02.biz.comcast.net
- mx03.biz.comcast.net
MX Priorities
- mx02.biz.comcast.net: 10
- mx01.biz.comcast.net: 10
- mx03.biz.comcast.net: 50
A / AAAA Records
- 216.110.146.42 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
adns.cs.onr.siteprotect.com hostmaster.ixtapa.comcastbiz.net 2014081802 172800 900 1209600 3600
Primary NS (mname)
adns.cs.onr.siteprotect.com
Admin Email (rname)
hostmaster@ixtapa.comcastbiz.net
Serial
2014081802
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
bdns.cs.siteprotect.com
adns.cs.siteprotect.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
✗ 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
No TXT records found.
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