Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
tec5.tech
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 00:08:59 UTC · ↺ Refresh
MX Hostnames
- tec5-tech.mail.protection.outlook.com
MX Priorities
- tec5-tech.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.13.111 (no PTR)
- 172.67.155.224 (no PTR)
- 2606:4700:3036::6815:d6f
- 2606:4700:3035::ac43:9be0
Mail Server IPs
- 52.101.41.122 ↩ mail-byapr02cu00302.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.41.206 ↩ mail-byapr05cu00806.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f909::4 ↩ mail-bn0pr03cu00304.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
jacob.ns.cloudflare.com dns.cloudflare.com 2415069141 10000 2400 604800 1800
Primary NS (mname)
jacob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415069141
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jacob.ns.cloudflare.com
nola.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.tecnologia5mail.com include:spf.protection.outlook.com ip4:20.127.228.189/32 include:spf.mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.tecnologia5mail.com include:spf.protection.outlook.com ip4:20.127.228.189/32 include:spf.mandrillapp.com -all
- MS=ms28790127
- mandrill_verify.B_hyrQJ41GnqS9k1a69BBQ
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