Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
collinsco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:09:03 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 5.78.41.97 ↩ static.97.41.78.5.clients.your-server.de
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns03.domaincontrol.com dns.jomax.net 2026020601 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns03.domaincontrol.com
ns04.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.45.233.178 ip4:50.45.233.180 a:hybrid.collinsco.com include:_netblocks.mimecast.com include:sendgrid.net include:_spf.ultipro.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- 9us1jptgft5h89rhsi1tmbphqt
- _e221p1a63ypxkvtoquqqqtwfu29ybyt
- SPFv=spf1 ip4:50.45.233.178 ip4:50.45.233.180 a:hybrid.collinsco.com include:_netblocks.mimecast.com include:sendgrid.net include:_spf.ultipro.com -all
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