Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
premier-concrete.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 03:27:52 UTC · ↺ Refresh
MX Hostnames
- premierconcrete-com01i.mail.protection.outlook.com
MX Priorities
- premierconcrete-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 107.180.225.169 ↩ dp-578f01e8ba.dreamhostps.com
Mail Server IPs
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:173.193.248.58 ip4:12.130.182.162 ip4:12.237.116.171 ip4:12.76.251.14 include:spf.protection.outlook.com include:sent-via.netsuite.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; sp=reject; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
2 records- mscid=J7yjYFjM2tvpknJOANAK9afk/2WFK/OieHPfS4F13KB5hiqlDSCFEMgwRWQKTTouk7RxRJaXmKmQxUhPE/ztRQ==
- SPFv=spf1 ip4:173.193.248.58 ip4:12.130.182.162 ip4:12.237.116.171 ip4:12.76.251.14 include:spf.protection.outlook.com include:sent-via.netsuite.com -all
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