Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstproinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:26:49 UTC · ↺ Refresh
MX Hostnames
- firstproinc-com.mail.protection.outlook.com
MX Priorities
- firstproinc-com.mail.protection.outlook.com: 5
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns19.worldnic.com namehost.worldnic.com 125120911 10800 3600 604800 3600
Primary NS (mname)
ns19.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125120911
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns20.worldnic.com
ns19.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhornmail.com include:spf.protection.outlook.com ip4:198.37.153.11 ip4:209.202.128.38 ip4:204.15.171.6 ip4:52.129.17.4 ~all include:_dmarc.firstproinc.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected], mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- SPFv=spf1 a:outbound3.bullhorn.com a:outbound2.bullhorn.com a:o1.email.bullhornmail.com include:spf.protection.outlook.com ip4:198.37.153.11 ip4:209.202.128.38 ip4:204.15.171.6 ip4:52.129.17.4 ~all include:_dmarc.firstproinc.com ~all
- google-site-verification=S0M3KFFKvdtR1FpnKULhZORbacMCZpp9DzEExJwLH9Y
- MS=ms77334608
Full email verification for firstproinc.com
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