Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sybrondental.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 19:03:27 UTC · ↺ Refresh
MX Hostnames
- mxb-003e4203.gslb.pphosted.com
- mxa-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
- 205.220.173.149 ↩ mx0b-003e4203.pphosted.com
SOA Record
Raw SOA
dns1.idp365.net hostmaster.idp365.net 2026010905 28800 1800 604800 3600
Primary NS (mname)
dns1.idp365.net
Admin Email (rname)
hostmaster@idp365.net
Serial
2026010905
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns1.idp365.net
dns3.idp365.net
dns2.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 detectedNo 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
4 records- FXH0jzvJ316VJnLTNSO3wPglX9TcqHVLm0vBFKLF1QrzoUZbsABz4eOUPOxWsTK8Dnyjj157oFk+UDkgzCTCXQ==
- MS=ms61645732
- SPFv=spf1 include:envistaco.com -all
- _vs9pwttm4l9w17sytp8lgetpaw7p6jf
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