Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buildings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:27:09 UTC · ↺ Refresh
MX Hostnames
- buildings-com.mail.protection.outlook.com
MX Priorities
- buildings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.235.135.238 ↩ ec2-18-235-135-238.compute-1.amazonaws.com
- 44.211.21.128 ↩ ec2-44-211-21-128.compute-1.amazonaws.com
Mail Server IPs
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-549.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-549.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1898.awsdns-45.co.uk
ns-406.awsdns-50.com
ns-549.awsdns-04.net
ns-1496.awsdns-59.org
SPF Record
✓ Strict (-all)
v=spf1 a:spamtitancloud.stamats.com include:spf.protection.outlook.com include:rmsend.com include:mktomail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=C5i72PEqkzf1nJe6kw-hut9vC6hnYtlY3PIUJvGdNoM
- SPFv=spf1 a:spamtitancloud.stamats.com include:spf.protection.outlook.com include:rmsend.com include:mktomail.com -all
- MS=ms25411688
Full email verification for buildings.com
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