Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cfosterconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:28:39 UTC · ↺ Refresh
MX Hostnames
- cfosterconstruction-com.mail.protection.outlook.com
MX Priorities
- cfosterconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 208.94.107.23 ↩ linknowmedia.ws
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.linknowmedia.com sysadmin.linknowmedia.com 2026012503 3600 1800 1209600 86400
Primary NS (mname)
ns1.linknowmedia.com
Admin Email (rname)
sysadmin@linknowmedia.com
Serial
2026012503
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.linknowmedia.com
ns1.linknowmedia.com
SPF Record
✓ Strict (-all)
v=spf1 include:relayhost1.linknowmedia.cloud include:relayhost2.linknowmedia.cloud +a +mx +ip4:208.94.107.8 +ip4:208.94.107.23 +ip4:192.175.104.8 +ip4:192.175.104.22 +include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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 include:relayhost1.linknowmedia.cloud include:relayhost2.linknowmedia.cloud +a +mx +ip4:208.94.107.8 +ip4:208.94.107.23 +ip4:192.175.104.8 +ip4:192.175.104.22 +include:spf.protection.outlook.com -all
- MS=ms26991973
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