Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colorart.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:54:39 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 20
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 52.202.246.34 ↩ ec2-52-202-246-34.compute-1.amazonaws.com
- 34.238.76.62 ↩ ec2-34-238-76-62.compute-1.amazonaws.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns-781.awsdns-33.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-781.awsdns-33.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-464.awsdns-58.com
ns-781.awsdns-33.net
ns-1523.awsdns-62.org
ns-1705.awsdns-21.co.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:149.72.89.204 ip4:167.89.10.192 include:emailsrvr.com include:spf.protection.outlook.com include:mbounces.com include:usb._netblocks.mimecast.com include:_spf.salesforce.com include:spf.ess.barracudanetworks.com include:sendgrid.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; aspf=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms11350292
- SPFv=spf1 ip4:149.72.89.204 ip4:167.89.10.192 include:emailsrvr.com include:spf.protection.outlook.com include:mbounces.com include:usb._netblocks.mimecast.com include:_spf.salesforce.com include:spf.ess.barracudanetworks.com include:sendgrid.net -all
- 0ed1fe018a46d0243414104104a493eca5c60407a4
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