Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
randoncorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 13:51:19 UTC · ↺ Refresh
MX Hostnames
- randoncorp-com.mail.protection.outlook.com
MX Priorities
- randoncorp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 191.235.228.32 (no PTR)
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-04.azure-dns.info
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ip4:200.248.38.40 ip4:189.125.195.40 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
9 records- _42sd3hv1f4dvz6b4pef97bneb7umpho
- bw=wd5XkebEJvdBjkOMhEMD2vcSazGKJQDCJDWs06QQN5np
- cisco-ci-domain-verification=41b9164251a710bbad0d5e20ccea42583105b9dbdf424895e8f2e27e3d84634d
- _rs9d3t2ovawnqe92oteb2h97xa4x0yb
- MS=ms10341874
- knowbe4-site-verification=ff3146ced46f13f341289cabf8e0bd2d
- docusign=d1f61388-e967-462e-9a0b-50f5cd18bae6
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br include:sendgrid.net ip4:200.248.38.40 ip4:189.125.195.40 ~all
- google-site-verification=VdYLLp7wtWj9_2uZx73mLNJd63eEQ7UaPICAfT-pEV4
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