Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
sider.com.pe
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 02:12:46 UTC · ↺ Refresh
MX Hostnames
- sider-com-pe.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns.gerdau.com.br
ns2.gerdau.com.br
SPF Record
✓ Strict (-all)
v=spf1 ip4:189.42.125.0/24 ip4:134.65.230.187 include:nets1.spf.messagelabs.com include:nets2.spf.messagelabs.com include:spf.protection.outlook.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
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
5 records- Yy4FWmsTHLGL/LfQYkVq0xRQlzzInjeopIkvcDXKMi4Q+YWZjwuFSTX41yTtRfj06a4DJ4Xkub8VMe/XB4ZC6Q==
- SPFv=spf1 ip4:189.42.125.0/24 ip4:134.65.230.187 include:nets1.spf.messagelabs.com include:nets2.spf.messagelabs.com include:spf.protection.outlook.com -all
- MS=ms53944230
- google-site-verification=cVqC5mumYQ-kir5AEvqeUCQVR6rQPPnWyNmbaUhiWdk
- knowbe4-site-verification=e4c7ca1bb983f61a66d1e320081bfc94
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