Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
corcept.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:03:14 UTC · ↺ Refresh
MX Hostnames
- corcept-com.mail.protection.outlook.com
MX Priorities
- corcept-com.mail.protection.outlook.com: 0
A / AAAA Records
- 166.117.64.72 ↩ a2c9ff40d684b8652.awsglobalaccelerator.com
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns45.worldnic.com namehost.worldnic.com 126031812 10800 3600 604800 3600
Primary NS (mname)
ns45.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031812
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns46.worldnic.com
ns45.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.corcept.com
📊 DNS lookups: 1/10
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: 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
12 records- apple-domain-verification=vRXujwGjnbCcev17
- teamviewer-sso-verification=7677e7c3e44249c9a1bc2f5878ed2349
- uqda0p98ae3d93n4ckiqr2858t
- google-site-verification=sIF89en2Z_GYlYOVHzaHaMQ4BGYUoRCIUKNUk7pw_Ko
- smartsheet-site-validation=Jl3EHiUaRtat7_nZB0O4E6CPoVXUROH-
- SPFv=spf1 redirect=_spf.corcept.com
- docusign=883e19a6-f415-428e-bee8-87fb7307a345
- openai-domain-verification=dv-BqoJktMY352HF5yohh58IYui
- MS=ms79626484
- atlassian-domain-verification=nmDkhk8OUmvsj2Mkr/AxrRDxGLsTVfbXcQ2fXtqk3jbYxqsmEc2ikbSy8BNLECbi
- abk80dlepsvl7c95t4too2j8i6
- ZOOM_verify_pQzHal2t8KU47NppeDbe0c
Full email verification for corcept.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits