Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
e-sistemas.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 07:12:14 UTC · ↺ Refresh
MX Hostnames
- esistemas-net0c.mail.protection.outlook.com
MX Priorities
- esistemas-net0c.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.6.123 (no PTR)
- 172.67.134.215 (no PTR)
- 2606:4700:3032::ac43:86d7
- 2606:4700:3034::6815:67b
Mail Server IPs
- 52.101.91.21 ↩ mail-matpr05cu00105.inbound.protection.outlook.com
- 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.126 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca3c::a ↩ mail-zrxpr07cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::28 ↩ mail-am6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
anita.ns.cloudflare.com dns.cloudflare.com 2415632615 10000 2400 604800 1800
Primary NS (mname)
anita.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415632615
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
anita.ns.cloudflare.com
vicente.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.e-sistemas.net include:spf-eu.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
3 records- ppe-6e30dd0b2896dadb6071a50a2bfb413c5bb6c021
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.e-sistemas.net include:spf-eu.emailsignatures365.com -all
- MS=ms37031277
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