Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dtre.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 06:20:34 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns21.domaincontrol.com dns.jomax.net 2024100801 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024100801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns22.domaincontrol.com
ns21.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:79.173.130.234 ip4:79.173.169.50 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailcontrol.com include:_spf.createsend.com include:sendgrid.net include:spf.emailsignatures365.com include:20317431.spf07.hubspotemail.net include:_spf.createsend.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
7 records- MS=ms13279810
- SPFv=spf1 ip4:79.173.130.234 ip4:79.173.169.50 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailcontrol.com include:_spf.createsend.com include:sendgrid.net include:spf.emailsignatures365.com include:20317431.spf07.hubspotemail.net include:_spf.createsend.com -all
- 7AF3166DEB
- 0ed1fe018a5fee764ac61b4e0da4522f9e79168f51
- google-site-verification=OeVCvfmNfFP6umm7E50sv-9plN1IvNOIu83fe6cn5f4
- apple-domain-verification=0BYoCbyWtxyfxr33
- adobe-idp-site-verification=c034f072829679a158be67038e7daa211b37d7efa8b9927470d4e5e60c3ca9d2
Full email verification for dtre.com
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