Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mobtelecom.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:46:21 UTC · ↺ Refresh
MX Hostnames
- mobtelecom-com-br.mail.protection.outlook.com
MX Priorities
- mobtelecom-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 201.139.186.217 ↩ mobtelecom.com.br
Mail Server IPs
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.argohost.net datecenter-l.mobtelecom.com.br 2026032305 3600 600 1209600 300
Primary NS (mname)
dns1.argohost.net
Admin Email (rname)
datecenter-l@mobtelecom.com.br
Serial
2026032305
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
dns3.argohost.net
dns2.argohost.net
dns1.argohost.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:201.139.186.192/26 +ip4:201.139.185.64/26 +ip4:201.20.82.126 +ip4:50.19.243.6 +ip4:201.139.184.195 +ip4:201.139.185.128/28 +ip4:201.139.185.64/26 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- MS=ms77346416
- facebook-domain-verification=x9v32zsu36b8kh30tii1n6um5qtj3y
- SPFv=spf1 ip4:201.139.186.192/26 +ip4:201.139.185.64/26 +ip4:201.20.82.126 +ip4:50.19.243.6 +ip4:201.139.184.195 +ip4:201.139.185.128/28 +ip4:201.139.185.64/26 include:spf.protection.outlook.com ~all
- mandrill_verify.Zv-1jq66VPDqlzlMg9noig
Full email verification for mobtelecom.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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