Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
superiorconstruction.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:42:42 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
- 35.185.226.8 ↩ 8.226.185.35.bc.googleusercontent.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ 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 2009010397 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010397
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns13.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:7632ad.workshop-spf.net include:spf.emailsignatures365.com include:sendgrid.net ip4:172.176.240.0 ip4:20.41.45.210 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- SPFv=spf1 mx a include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:7632ad.workshop-spf.net include:spf.emailsignatures365.com include:sendgrid.net ip4:172.176.240.0 ip4:20.41.45.210 -all
- amazon-business-verification=8f099cd22c569c1e261ba16ac1a507e5d7b14d15e62a84b749dbc97c54b92de4
- dmlld3BvaW50X2F6dXJlX2NvbW1vbg==
- 0ed1fe018ac7abf266addf44bdbd614d502e1cd1e7
- zoho-verification=zb46179246.zmverify.zoho.com
- docusign=138eec7a-4aa6-4a97-b9b1-cb091c03261a
- bluebeam-verification=8pdhyas98nfscpbsycy1w0e68h75ml
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