Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentridocs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:15:15 UTC · ↺ Refresh
MX Hostnames
- sentridocs-com.mail.protection.outlook.com
MX Priorities
- sentridocs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.66.105 (no PTR)
- 172.67.203.159 (no PTR)
- 2606:4700:3031::ac43:cb9f
- 2606:4700:3037::6815:4269
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
dion.ns.cloudflare.com dns.cloudflare.com 2399445491 10000 2400 604800 1800
Primary NS (mname)
dion.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399445491
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
sima.ns.cloudflare.com
dion.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- Probely=3aa677c6-9c1c-4f46-add4-4a742fcd8a74
- Probely=e225f304-133b-4c14-926c-d3010bb937aa
- detectify-verification=d7a3e17f21c524064b638b4159d70fd4
Full email verification for sentridocs.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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