Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
olsoftware.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 08:28:50 UTC · ↺ Refresh
MX Hostnames
- olsoftware-com.mail.protection.outlook.com
MX Priorities
- olsoftware-com.mail.protection.outlook.com: 1
A / AAAA Records
- 104.21.79.104 (no PTR)
- 172.67.169.240 (no PTR)
- 2606:4700:3032::6815:4f68
- 2606:4700:3033::ac43:a9f0
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
hal.ns.cloudflare.com dns.cloudflare.com 2398494771 10000 2400 604800 1800
Primary NS (mname)
hal.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398494771
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tessa.ns.cloudflare.com
hal.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:olsoftware.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rf=afrf; pct=100; ruf=mailto:[email protected]; ri=86400; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
google._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 include:spf.protection.outlook.com include:olsoftware.com.spf.auto.dnssmarthost.net -all
- 4113339TWI01BXSBJRB7IL8OW7D37TRXIDFZLB60
- MS=07789907C86BEE64A4D81C4E927F90F81CA2CE34
- UIQ6L2XSR6N7YB9I54JHZFADL7WFBS006GX82T02
- google-site-verification=Ba_Yq2AgnUwZXrdFGUBwhZcgG_ttABFGyDXIPurcj-4
- google-site-verification=CBS0rZfiWY8L9VA1TrruemqPxkpAmJZGXM84J1CWBaY
- google-site-verification=dnL8mPtkBse96SCKu_3tmtcDUij4wFgsDZnWmYf1YY0
Full email verification for olsoftware.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits