Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grupoarmstrong.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 13:30:39 UTC · ↺ Refresh
MX Hostnames
- grupoarmstrong-com.mail.protection.outlook.com
MX Priorities
- grupoarmstrong-com.mail.protection.outlook.com: 0
A / AAAA Records
- 67.23.228.122 ↩ server2.grupoarmstrong.com
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
dns33388.dizinc.com sistemas.grupoarmstrong.com 2026022700 3600 1800 1209600 86400
Primary NS (mname)
dns33388.dizinc.com
Admin Email (rname)
sistemas@grupoarmstrong.com
Serial
2026022700
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
dns33388.dizinc.com
dns33389.dizinc.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:67.23.228.122 ip4:107.190.129.170 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=1;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
5 records- MS=78C17C9C85854451DC5340453875A460126FD626
- SPFv=spf1 mx a ip4:67.23.228.122 ip4:107.190.129.170 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- google-site-verification=UoMiaX4hVMR45b-BlcXvm9gygDtsTmLyIPwzYl3sx-4
- MS=ms55597293
- MS=ms49314186
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