Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
grupoacerta.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-07 16:03:24 UTC · ↺ Refresh
MX Hostnames
- grupoacerta-com.mail.protection.outlook.com
MX Priorities
- grupoacerta-com.mail.protection.outlook.com: 0
A / AAAA Records
- 46.105.204.31 ↩ cluster031.hosting.cdn.ovh.net
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
dns20.ovh.net tech.ovh.net 2026032600 86400 3600 3600000 60
Primary NS (mname)
dns20.ovh.net
Admin Email (rname)
tech@ovh.net
Serial
2026032600
Refresh
86400s
Retry
3600s
Expire
3600000s
Minimum TTL
60s
Nameservers (NS)
ns20.ovh.net
dns20.ovh.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:62.210.227.170 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;sp=quarantine;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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
3 records- google-site-verification=AUnfH6mz8QYZH1TFFBY6r4GNd2Fpl3jnR8jTY197cQI
- v=verifydomain MS=5190480
- SPFv=spf1 +a +mx +ip4:62.210.227.170 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de ~all
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