Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zch.org
No
None
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:21:38 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 167.73.31.39 (no PTR)
- 167.73.15.39 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns1.spectrumhealth.org network\.administrator.spectrumhealth.org 704047337 7200 1800 1209600 3600
Primary NS (mname)
ns1.spectrumhealth.org
Admin Email (rname)
network\@administrator.spectrumhealth.org
Serial
704047337
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.spectrumhealth.org
ns1.spectrumhealth.org
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- MS=ms95314718
- SPFv=spf1 -all
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