Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sinergiablockchain.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 23:38:25 UTC · ↺ Refresh
MX Hostnames
- mail.sinergiablockchain.org
MX Priorities
- mail.sinergiablockchain.org: 0
A / AAAA Records
- 172.67.196.108 (no PTR)
- 104.21.21.51 (no PTR)
- 2606:4700:3034::6815:1533 (no PTR)
- 2606:4700:3035::ac43:c46c (no PTR)
Mail Server IPs
- 190.8.176.134 ↩ judith.colombiahosting.com.co
SOA Record
Raw SOA
apollo.ns.cloudflare.com dns.cloudflare.com 2399476909 10000 2400 604800 1800
Primary NS (mname)
apollo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399476909
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tina.ns.cloudflare.com
apollo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:190.8.176.134 ip4:190.8.176.60 +a +mx +ip4:190.8.176.16 +include:_spf.colhost.com +include:md02.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 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 ip4:190.8.176.134 ip4:190.8.176.60 +a +mx +ip4:190.8.176.16 +include:_spf.colhost.com +include:md02.com -all
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