Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
postholdings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:12:27 UTC · ↺ Refresh
MX Hostnames
- postholdings-com.mail.protection.outlook.com
MX Priorities
- postholdings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.153.97 (no PTR)
- 104.20.29.189 (no PTR)
- 2606:4700:10::6814:1dbd
- 2606:4700:10::ac42:9961
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
karl.ns.cloudflare.com dns.cloudflare.com 2398084153 10000 2400 604800 1800
Primary NS (mname)
karl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398084153
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nora.ns.cloudflare.com
karl.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf_c.oraclecloud.com include:spf.protection.outlook.com include:_hrc1.highradius.com exists:%{i}._spf.inkyphishfence.com include:_spf.salesforce.com include:_spf.ultipro.com a:b.spf.service-now.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
12 records- SPFv=spf1 include:spf_c.oraclecloud.com include:spf.protection.outlook.com include:_hrc1.highradius.com exists:%{i}._spf.inkyphishfence.com include:_spf.salesforce.com include:_spf.ultipro.com a:b.spf.service-now.com -all
- wrike-verification=NjQxNzE5NDo0YTYwZTZjNjRmYzJkNTQ3Mjc1NjA3YjRhOGI3MzUzZDllZWM2ZTIxMWYyZDU2YjAxYjdmODI1MzRjNjEzY2Qx
- wrike-verification=NzQ2Mjg3OjMwNTBkMTM2MDM3NThkNTcyY2VjYTRmNWI2ZTFmNjFkNjg1M2ZlYmNkMmRjMWMzNTE1MjVhMGYwNDI4MGRiY2Q=
- 0ed1fe018af7ba0541af27498a9a8715242a46ed10
- MS=ms46225108
- atlassian-domain-verification=xd8AclLvFvnCwNFiwL3aYRFQtmpeMHqiMnE5eJqeDXMXjnvVD9QqKjC/6TwlIja9
- box-domain-verification=fcbb366245cc53f07b698b6b5dc6fe59a9f1e5aa9f38617d6f80ce4b832af7ff
- ea410ca4213d6cc7b0d3fc104124c5b31e5e4afbba32f2f6b082e15e5e07824
- flexera-domain-verification-hzuotylqsvntysvw
- flexera-domain-verification-twmhfehtgrklrjbz
- ibmid=6f218cfd-6d1b-4603-b289-dbcc7e6bf3fd
- pikjmi2u25spp7egke87uu0vcl
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