Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
solution21.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 01:42:35 UTC · ↺ Refresh
MX Hostnames
- mail.solution21.com
MX Priorities
- mail.solution21.com: 10
A / AAAA Records
- 143.198.60.115 ↩ solution21.com
Mail Server IPs
- 166.78.37.69 ↩ 1310270-server1.solution21.com
SOA Record
Raw SOA
ns1.solution21.com info.solution21.com 2025090907 10800 3600 604800 10800
Primary NS (mname)
ns1.solution21.com
Admin Email (rname)
info@solution21.com
Serial
2025090907
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.solution21.com
ns2.solution21.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +a:1310270-server1.solution21.com include:one.zoho.com include:spf.zoho.com include:user.zohobookings.com include:transmail.net include:zcsend.net ip4:166.78.37.69 ip6:2001:4800:3a1:800:ef1d:ef:ac8a:62d7 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a +a:1310270-server1.solution21.com include:one.zoho.com include:spf.zoho.com include:user.zohobookings.com include:transmail.net include:zcsend.net ip4:166.78.37.69 ip6:2001:4800:3a1:800:ef1d:ef:ac8a:62d7 ~all
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