Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yesprep.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 19:47:58 UTC · ↺ Refresh
MX Hostnames
- yesprep-org.mail.protection.outlook.com
MX Priorities
- yesprep-org.mail.protection.outlook.com: 10
A / AAAA Records
- 104.17.71.73 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.worldnic.com namehost.worldnic.com 126012020 10800 3600 604800 3600
Primary NS (mname)
ns63.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012020
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns63.worldnic.com
ns64.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.195.143.26 ip4:8.12.72.20 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.mandrillapp.com include:_spf.qemailserver.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 5/10
✓ 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
✓ 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
13 records- MS=ms75212378
- v=37867ad4-4bea-49a2-8a03-f420d151adf6
- 34uuRhQTid0wK2i5aXpNawRGpmwHFBjK2x0HylAxytn1tDXoocl6Ai6MtIV0Gyai8AHyi2P4m5+s33YyFm7x9Q==
- docusign=0c01bafd-bafb-4720-bd32-ea618a39a481
- crvnptb0/muhy/3kcyvz6rrkrn5v4c9jjwrk+6d3hr9w/dzialvyfisgiqwtsrlqbycgoau8bbgp4jkubw4lrq
- adobe-idp-site-verification=d6b7c99ce424ea2e4cb94992e717cfde1426b0b5bf8eb74ac1957160700e85ae
- solarwinds-service0desk-verification=7caab20fa18c57529454eb26a14f0070
- SPFv=spf1 ip4:66.195.143.26 ip4:8.12.72.20 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.mandrillapp.com include:_spf.qemailserver.com include:_spf.psm.knowbe4.com -all
- docusign=b67b6861-9c32-48dd-9156-f282b1d433a5
- google-site-verification=0nFgWrhZGTpDyuF4Rp8VyB_COkxVNeypZPgHBLoVFg4
- MS=ms15565504
- google-site-verification=C8Evar6aEnzVMK8MDExRXmHL3Q65dQ8xLAmWt5I3FJ0
- ns/cjhknk4hwgbnunqzx12h1/xzhgffycrzpq149p+cuicoojs9cjusdu0bpq9vonatumv1q+wqvurmozvklhw==
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