Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crbtrader.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:37:35 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
- aspmx3.googlemail.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 20
- alt2.aspmx.l.google.com: 20
- aspmx2.googlemail.com: 30
- aspmx3.googlemail.com: 30
A / AAAA Records
- 18.238.80.119 ↩ server-18-238-80-119.jfk52.r.cloudfront.net
- 18.238.80.13 ↩ server-18-238-80-13.jfk52.r.cloudfront.net
- 18.238.80.79 ↩ server-18-238-80-79.jfk52.r.cloudfront.net
- 18.238.80.22 ↩ server-18-238-80-22.jfk52.r.cloudfront.net
Mail Server IPs
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-758.awsdns-30.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-758.awsdns-30.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1374.awsdns-43.org
ns-1831.awsdns-36.co.uk
ns-252.awsdns-31.com
ns-758.awsdns-30.net
SPF Record
✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:barchart.com include:_spf.google.com include:amazonses.com include:sendgrid.net a mx mx:hermes2.barchart.com ip4:8.18.161.0/24 -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; aspf=r; adkim=r; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
google._domainkey
default._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:servers.mcsv.net include:barchart.com include:_spf.google.com include:amazonses.com include:sendgrid.net a mx mx:hermes2.barchart.com ip4:8.18.161.0/24 -all
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