Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ernstconcrete.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:35:12 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
- 68.66.200.215 ↩ mi3-tr103.supercp.com
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010328 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010328
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns13.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns12.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:38.32.60.202 ip4:38.32.60.203 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com -all include:spf.zohomail360.com -all include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- duo_sso_verification=JAQgLRwtFVrXYTYiqeOzr8rbLqUFR67ugvRpA4lNl4jzUK2JqXWpqBTzwlDvHWjR
- qzuv1fwvgLGH2VTHJDxZRycm/kEWAyXsIjWppcpz7k30UEehDLbl9/oaG8ZcclcDjfKQBMlLbWqIVs4vRlzzlA==
- SPFv=spf1 ip4:38.32.60.202 ip4:38.32.60.203 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com -all include:spf.zohomail360.com -all include:amazonses.com -all
- MS=ms53657405
- google-site-verification=8XrV8mQiYW62v1o9ZnaMJYFvEewDWfGu1Ga8_CB8J1c
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