Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stpsb.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:26:58 UTC · ↺ Refresh
MX Hostnames
- stpsb-org.mail.protection.outlook.com
MX Priorities
- stpsb-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
localhost.stpsb.org root.stpsb.org 2026010800 3600 7200 3600000 86400
Primary NS (mname)
localhost.stpsb.org
Admin Email (rname)
root@stpsb.org
Serial
2026010800
Refresh
3600s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns5.huntbrothers.com
ens1.stpsb.org
ens.stpsb.org
SPF Record
✓ Strict (-all)
v=spf1 a:smtpin.stpsb.org a:smtpout.stpsb.org include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ 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: 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
5 records- SPFv=spf1 a:smtpin.stpsb.org a:smtpout.stpsb.org include:spf.protection.outlook.com -all
- adobe-idp-site-verification=301e8478967aab5b44558b349f631741b4412dd1282e8098827d37e1b2ea655d
- google-site-verification=XCLDhO7IZyqbXt5N_vfeMsJ6_-hq4AmvYh6iETEVt-M
- MS=ms78965876
- apple-domain-verification=fr7YnbRgnnyQ4HYo
Full email verification for stpsb.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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