Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
prepass.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 17:57:34 UTC · ↺ Refresh
MX Hostnames
- prepass-com.mail.protection.outlook.com
MX Priorities
- prepass-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.26.8.22 (no PTR)
- 172.67.68.182 (no PTR)
- 104.26.9.22
- 2606:4700:20::681a:916
- 2606:4700:20::681a:816
- 2606:4700:20::ac43:44b6
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
luke.ns.cloudflare.com dns.cloudflare.com 2399520819 10000 2400 604800 1800
Primary NS (mname)
luke.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399520819
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
luke.ns.cloudflare.com
robin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:8.41.31.194 ip4:174.47.183.128/25 include:spf.protection.outlook.com include:mktomail.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
19 records- jetbrains-domain-verification=8v82krfwhmxu37j0i4cp34zzq
- docker-verification=01570f11-47ca-42ad-b8e8-17549c5f6b54
- launchdarkly-domain-verification=17a71563-e811-4299-aff5-86563998aae5
- 68d4808e-8467-4214-b00f-41d616b31803
- atlassian-domain-verification=Sr78ySva0pC6CEETNu4Pi7ViDnXnJreOcW09IYdiHQUTtz6gcYZzPOcsAuio8yG3
- google-site-verification=X7yuECv5zkSnCg5qATy1H9uNrk08Z0pTJJ73GAVNW40
- mixpanel-domain-verify=525331ae-1400-4e67-bec9-b9ea5a41d216
- postman-domain-verification=84a12629cb0306aaa968e32462ab3487cff35a77496be2c49115548b684a815be3ec120ed37d579d76a081120e2f4df01abee73770355ce7ae2967b3177d44a1
- google-site-verification=S6f_TAwzjOJmGhG-I3cCvcEExNJ5VFTYOGN_oBeA-qY
- globalsign-domain-verification=P-_globalsign-domain-verification=gRZ1FQd9cblZsAn-S3wUiwLGE9issmctT-0jt4K_xK
- SPFv=spf1 mx ip4:8.41.31.194 ip4:174.47.183.128/25 include:spf.protection.outlook.com include:mktomail.com -all
- MS=ms31715620
- Mosyle-verification-code=902879112528
- cursor-domain-verification-w3159p=uWZY92piRZX1qeK4FyEkkIwOy
- openai-domain-verification=dv-gDz5cIZ9rAMDdFX8cIj2CiR7
- knowbe4-site-verification=0c38cc7d19993fbf12ddecf5ddddece0
- apple-domain-verification=WPLFgl3pj5DT7Fc0
- anthropic-domain-verification-ghb8rk=mnYZ6Qir85khFxZuKydEaZuxT
- teamviewer-sso-verification=a748276749c544a09b077774fba61d8c
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