Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
1telecom.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 02:52:17 UTC · ↺ Refresh
MX Hostnames
- 1telecom-com-br.mail.protection.outlook.com
MX Priorities
- 1telecom-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 177.36.2.27 ↩ ns1.1telecom.com.br
Mail Server IPs
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.1telecom.com.br 1telecom.com.br 2026033001 28880 7200 604800 86400
Primary NS (mname)
ns1.1telecom.com.br
Admin Email (rname)
1telecom@com.br
Serial
2026033001
Refresh
28880s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.1telecom.com.br
ns2.1telecom.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:u15674534.wl035.sendgrid.net include:_spf.salesforce.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- MS=ms63523847
- SPFv=spf1 include:spf.protection.outlook.com include:u15674534.wl035.sendgrid.net include:_spf.salesforce.com ~all
- brevo-code:37c94797a8fbe0b08ec0a8b524b01b2c
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