Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rainbowagro.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 06:23:35 UTC · ↺ Refresh
MX Hostnames
- mx.263.net
- mxw.263.net
MX Priorities
- mx.263.net: 10
- mxw.263.net: 5
A / AAAA Records
- 18.66.122.68 ↩ server-18-66-122-68.fra60.r.cloudfront.net
Mail Server IPs
- 164.92.126.242 (no PTR)
- 143.110.227.31 (no PTR)
- 38.83.106.84 ↩ us-mx1.263.net
- 38.83.106.85 ↩ us-mx2.263.net
SOA Record
Raw SOA
vip1.alidns.com hostmaster.hichina.com 2025121011 3600 1200 86400 600
Primary NS (mname)
vip1.alidns.com
Admin Email (rname)
hostmaster@hichina.com
Serial
2025121011
Refresh
3600s
Retry
1200s
Expire
86400s
Minimum TTL
600s
Nameservers (NS)
vip1.alidns.com
vip2.alidns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.263.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;ruf=mailto:;rua=mailto:
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:
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
4 records- google-site-verification=LAJ6UYvRH8wEE5SE4W4oiPf5Q8n7YUSbdSnJ2qYTYl8
- google-site-verification=y86JyWQyqb_yg-X-WJeVc3nCSVPT2RGPH2ATCN2lDbo
- SPFv=spf1 include:spf.263.net -all
- google-site-verification=Min_navXJixcyNMP0tSfUkLSSaHMoUCweavmEEitbH8
Full email verification for rainbowagro.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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