Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbts.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 01:01:40 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mx1.mailchannels.net
MX Priorities
- mx2.mailchannels.net: 10
- mx1.mailchannels.net: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
ns9.worldnic.com namehost.worldnic.com 126031016 10800 3600 604800 3600
Primary NS (mname)
ns9.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031016
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns10.worldnic.com
ns9.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.netsolmail.net include:netblocks.dreamhost.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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.netsolmail.net include:netblocks.dreamhost.com include:relay.mailchannels.net -all
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