Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jcresorts.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:55:59 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.18.160.83 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.worldwidedns.net hostmaster.jcresorts.com 2026031570 1200 360 1209600 600
Primary NS (mname)
ns1.worldwidedns.net
Admin Email (rname)
hostmaster@jcresorts.com
Serial
2026031570
Refresh
1200s
Retry
360s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns2.worldwidedns.net
ns3.worldwidedns.net
ns1.worldwidedns.net
SPF Record
✗ Invalid
v=spf1 include:sendgrid.net include:us._netblocks.mimecast.com include:cust-spf.exacttarget.com include:sandrix.com include:1-2-1smtp.com include:bulk.1-2-1marketing.com include:_spf.google.com include:spf.protection.outlook.com include:relay.mailchannels.net include:oracleindustry.com include:synxis.com include:america.oracleemaildelivery.com include:_spf.salesforce.com ~all
📊 DNS lookups: 13/10
— over limit!
⚠ Too many DNS lookups (13/10) — SPF will fail validation. Reduce include: statements.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; sp=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 00D6g00000538zT=1TBTQ00000007JG
- duo_sso_verification=vxeMXnECOZwKXPHtWYhPTsPkLyECeU0YaGwfij1lBWPHp4bPaqCpWfOXj53c8Clr
- google-site-verification=aXrOl4syGjgBPlQJ0wCp-DVdI1H3s6U6wsHqjZKvh0Q
- SPFv=spf1 include:sendgrid.net include:us._netblocks.mimecast.com include:cust-spf.exacttarget.com include:sandrix.com include:1-2-1smtp.com include:bulk.1-2-1marketing.com include:_spf.google.com include:spf.protection.outlook.com include:relay.mailchannels.net include:oracleindustry.com include:synxis.com include:america.oracleemaildelivery.com include:_spf.salesforce.com ~all
- p6bren03takl5s67d7ucijm3oi
- ca3-9d3294d3fd054fae936576cfd017ff08
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