Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mrockconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 11:35:04 UTC · ↺ Refresh
MX Hostnames
- mrockconstruction-com.mail.protection.outlook.com
MX Priorities
- mrockconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 74.81.71.170 ↩ server2.hostingsocal.com
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hostingsocal.com mark.hostingla.com 2026030201 3600 1800 1209600 86400
Primary NS (mname)
ns1.hostingsocal.com
Admin Email (rname)
mark@hostingla.com
Serial
2026030201
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.hostingsocal.com
ns2.hostingsocal.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:74.81.71.170 ip4:74.81.68.106 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ip4:74.81.71.170 ip4:74.81.68.106 include:spf.protection.outlook.com -all
- MS=ms12272643
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