Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
reefsystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 16:36:31 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 64.233.180.26 ↩ on-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
SOA Record
Raw SOA
ns55.worldnic.com namehost.worldnic.com 126012018 10800 3600 604800 3600
Primary NS (mname)
ns55.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012018
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns55.worldnic.com
ns56.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.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
3 records- google-site-verification=kpEt_PB6XvYPj0daDAAd9Qvq3bOcDk12KJW_8SkhRNo
- google-site-verification=S6emPmctm-76_om6lb213FYBtz5vug2v88wu2bFlNi4
- SPFv=spf1 include:_spf.google.com ~all
Full email verification for reefsystems.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits