Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gycsigma.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 23:40:41 UTC · ↺ Refresh
MX Hostnames
- gycsigma.co
MX Priorities
- gycsigma.co: 0
A / AAAA Records
- 195.250.27.46 ↩ s3450.mex1.stableserver.net
Mail Server IPs
- 195.250.27.46 ↩ s3450.mex1.stableserver.net
SOA Record
Raw SOA
ns2.mysecurecloudhost.com alexander.colombiahosting.com.co 2026030501 3600 1800 1209600 86400
Primary NS (mname)
ns2.mysecurecloudhost.com
Admin Email (rname)
alexander@colombiahosting.com.co
Serial
2026030501
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.mysecurecloudhost.com
ns2.mysecurecloudhost.com
ns3.mysecurecloudhost.com
ns4.mysecurecloudhost.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:190.8.176.151 +ip4:195.250.27.46 +ip4:190.8.176.219 +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: 392 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
2 records- SPFv=spf1 +a +mx +ip4:190.8.176.151 +ip4:195.250.27.46 +ip4:190.8.176.219 +include:_spf.colhost.com +include:md02.com -all
- google-site-verification=h3JxHB_gWdetCmnxyjN4eLxME1u4qkfYHaf6WgkTYOw
Full email verification for gycsigma.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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