Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alpitronic.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:15:47 UTC · ↺ Refresh
MX Hostnames
- alpitronic-us.mail.protection.outlook.com
MX Priorities
- alpitronic-us.mail.protection.outlook.com: 20
A / AAAA Records
- 172.67.166.39 (no PTR)
- 104.21.11.141 (no PTR)
- 2606:4700:3035::ac43:a627
- 2606:4700:3031::6815:b8d
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
edna.ns.cloudflare.com dns.cloudflare.com 2399137614 10000 2400 604800 1800
Primary NS (mname)
edna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399137614
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
henrik.ns.cloudflare.com
edna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailjet.com ip4:89.190.164.129 ip4:37.186.157.110 include:spf.protection.outlook.com include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; rf=afrf; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
6 records- knowbe4-site-verification=176de22981615c95683ebab689878e0f
- SPFv=spf1 include:spf.mailjet.com ip4:89.190.164.129 ip4:37.186.157.110 include:spf.protection.outlook.com include:_spf.salesforce.com -all
- MS=ms58156996
- _globalsign-domain-verification=-CYlb8B5icfzHdmHORQy97bDh9x4AodF0Nru-QhX1j
- docusign=17c28d01-39be-479a-b592-095f9f09e6b5
- docusign=d5beeb86-0f69-4fb5-8a01-3c92236c23dc
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