sysentec.com.co

Valid Email Server
Domain Lookup › sysentec.com.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sysentec.com.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 05:14:18 UTC · ↺ Refresh

MX Hostnames

  • mail.sysentec.com.co
  • ms48228278.msv1.invalid
  • mail.sysentec.com.co

MX Priorities

  • mail.sysentec.com.co: 0
  • mail.sysentec.com.co: 1
  • ms48228278.msv1.invalid: 32767

A / AAAA Records

  • 192.252.151.42 (no PTR)

Mail Server IPs

  • 192.252.151.42 (no PTR)

SOA Record

Raw SOA ns1.s402.sureserver.com hostmaster.sysentec.com.co 1774152763 16384 2048 1048576 2560
Primary NS (mname)
ns1.s402.sureserver.com
Admin Email (rname)
hostmaster@sysentec.com.co
Serial
1774152763
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns1.s402.sureserver.com
ns2.s402.sureserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:s402.smtp-spf.sureserver.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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
  • SPFv=spf1 a mx include:s402.smtp-spf.sureserver.com ~all
  • MS=6CEBC92C24CD3A451587168E9EE73C24FD0A5D82
  • MS=ms48228278
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