Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
back40design.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:27:23 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 64.23.240.75 ↩ 1311710.cloudwaysapps.com
Mail Server IPs
- 64.233.180.26 ↩ pe-in-f26.1e100.net
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 172.253.62.26 ↩ bc-in-f26.1e100.net
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
SOA Record
Raw SOA
ns07.domaincontrol.com dns.jomax.net 2025062502 28800 7200 604800 600
Primary NS (mname)
ns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025062502
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns07.domaincontrol.com
ns08.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.mandrillapp.com include:sendgrid.net include:_spf.google.com include:6122247.spf04.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; sp=none; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
google._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
3 records- SPFv=spf1 mx include:spf.mandrillapp.com include:sendgrid.net include:_spf.google.com include:6122247.spf04.hubspotemail.net -all
- google-site-verification=s_OYkWzC5pR-zf3QA_KPwvK3kYVpmKHSdkBKwvTFEnI
- detectify-verification=5ad66d71ae2bb31d1bd5a65f93342ab5
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