Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
landmarkcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 08:15:55 UTC · ↺ Refresh
MX Hostnames
- landmarkcorp-com.mail.protection.outlook.com
MX Priorities
- landmarkcorp-com.mail.protection.outlook.com: 5
A / AAAA Records
- 205.178.189.129 ↩ underconstruction.networksolutions.com
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns95.worldnic.com namehost.worldnic.com 126020210 10800 3600 604800 3600
Primary NS (mname)
ns95.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020210
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns95.worldnic.com
ns96.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:96.33.105.10 ip4:162.81.160.47 ip4:96.33.105.13 ip4:72.236.86.226 ip4:50.243.124.229 ip4:192.31.208.49 ip4:192.31.208.50 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
4 records- MS=ms78722567
- SPFv=spf1 ip4:96.33.105.10 ip4:162.81.160.47 ip4:96.33.105.13 ip4:72.236.86.226 ip4:50.243.124.229 ip4:192.31.208.49 ip4:192.31.208.50 include:spf.protection.outlook.com -all
- dks16nb81fcblinvh7i9a99plb
- 79slkfuivqgg13vdn80gf3uqe9
Full email verification for landmarkcorp.com
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