Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holmanusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:15:39 UTC · ↺ Refresh
MX Hostnames
- holmanusa-com.mail.protection.outlook.com
MX Priorities
- holmanusa-com.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
SOA Record
Raw SOA
dns105.register.com root.register.com 126031217 10800 3600 604800 3600
Primary NS (mname)
dns105.register.com
Admin Email (rname)
root@register.com
Serial
126031217
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns106.register.com
dns105.register.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:4.38.231.58 ip4:4.39.77.250 ip4:12.161.111.0/24 ip4:35.165.92.30 ip4:50.251.213.249 ip4:65.140.174.122 ip4:69.84.243.0/24 ip4:70.88.162.53 ip4:74.80.235.0/24 ip4:104.218.133.18 ip4:104.196.125.14 ip4:150.136.42.132 ip4:199.59.103.0/24 ip4:199.200.69.242 ip4:129.213.86.45 ip4:150.136.92.163 ip4:150.136.39.220 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- SPFv=spf1 ip4:4.38.231.58 ip4:4.39.77.250 ip4:12.161.111.0/24 ip4:35.165.92.30 ip4:50.251.213.249 ip4:65.140.174.122 ip4:69.84.243.0/24 ip4:70.88.162.53 ip4:74.80.235.0/24 ip4:104.218.133.18 ip4:104.196.125.14 ip4:150.136.42.132 ip4:199.59.103.0/24 ip4:199.200.69.242 ip4:129.213.86.45 ip4:150.136.92.163 ip4:150.136.39.220 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- anthropic-domain-verification-s5haxa=s1gDxOhRdzZIUT8MUahY1PjC4
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