sybron.com

Valid Email Server
Domain Lookup › sybron.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sybron.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 17:02:41 UTC · ↺ Refresh

MX Hostnames

  • mxa-003e4203.gslb.pphosted.com
  • mxb-003e4203.gslb.pphosted.com

MX Priorities

  • mxa-003e4203.gslb.pphosted.com: 10
  • mxb-003e4203.gslb.pphosted.com: 10

A / AAAA Records

  • 217.19.248.132 ↩ redirect.idp365.net

Mail Server IPs

  • 205.220.161.148 ↩ mx0a-003e4203.pphosted.com
  • 205.220.173.149 ↩ mx0b-003e4203.pphosted.com

SOA Record

Raw SOA dns1.idp365.net hostmaster.idp365.net 2022033001 28800 1800 604800 3600
Primary NS (mname)
dns1.idp365.net
Admin Email (rname)
hostmaster@idp365.net
Serial
2022033001
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.idp365.net
dns2.idp365.net
dns3.idp365.net

SPF Record

✓ Strict (-all)
v=spf1 include:envistaco.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=s; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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 include:envistaco.com -all
  • MS=ms65886142
  • qwsh8FpGD6FwCYbgqMyYQK5+NS7lyEPAWkfS3+xyxy2XUWoy4NYy3IU2EW7NsdzvJHyZmJ9gXsvNEsJv1g2XuQ==
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