Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
osatech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 04:11:18 UTC · ↺ Refresh
MX Hostnames
- osatech-com.mail.protection.outlook.com
- osatech-com.mail.protection.outlook.com
MX Priorities
- osatech-com.mail.protection.outlook.com: 1
- osatech-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.32.19 (no PTR)
- 172.67.182.71 (no PTR)
- 2606:4700:3031::6815:2013
- 2606:4700:3037::ac43:b647
Mail Server IPs
- 52.101.60.182 ↩ mail-bn3pr0301cu00206.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.60.65 ↩ mail-bn3pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c803::b ↩ mail-bn3pr0301cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c918::5 ↩ mail-byapr05cu00805.inbound.protection.outlook.com
SOA Record
Raw SOA
sam.ns.cloudflare.com dns.cloudflare.com 2415589239 10000 2400 604800 1800
Primary NS (mname)
sam.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415589239
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sam.ns.cloudflare.com
zara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:67.43.13.224/30 MX A include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 ip4:67.43.13.224/30 MX A include:spf.protection.outlook.com ~all
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