Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
posthousing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 03:40:25 UTC · ↺ Refresh
MX Hostnames
- posthousing-com.mail.protection.outlook.com
MX Priorities
- posthousing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 64.91.241.227 ↩ web.bluesummithomes.com
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.posthousing.com brandon.bluesummitrealty.com 2026030701 3600 7200 1209600 86400
Primary NS (mname)
ns1.posthousing.com
Admin Email (rname)
brandon@bluesummitrealty.com
Serial
2026030701
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.posthousing.com
ns2.posthousing.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:64.91.241.227 include:sendgrid.net +a +mx +ip4:96.93.120.130 include:secureserver.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 4 found
default._domainkey
mail._domainkey
s1._domainkey
s2._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- jh927ic8onc9e9idueu6iejbqe
- SPFv=spf1 ip4:64.91.241.227 include:sendgrid.net +a +mx +ip4:96.93.120.130 include:secureserver.net ~all
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