ykc.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ykc.com
Yes
✓ Yes
Outlook
No
Yes
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 23:01:38 UTC · ↺ Refresh

MX Hostnames

  • ykc-com.mail.protection.outlook.com

MX Priorities

  • ykc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 184.154.215.138 ↩ chir200.websitehostserver.net

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns10.digicertdns.com dns.digicertdns.com 2009010242 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010242
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns10.digicertdns.com
ns11.digicertdns.com
ns15.digicertdns.net
ns14.digicertdns.net
ns13.digicertdns.net
ns12.digicertdns.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:66.179.68.37 ip4:167.89.62.48 ip4:66.84.14.4 ip4:137.118.32.176 include:spf1.neonova.net include:spf.protection.outlook.com include:elation.biz include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected]; sp=none; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
dkim._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

6 records
  • SPFv=spf1 mx ip4:66.179.68.37 ip4:167.89.62.48 ip4:66.84.14.4 ip4:137.118.32.176 include:spf1.neonova.net include:spf.protection.outlook.com include:elation.biz include:spf-us.emailsignatures365.com -all
  • MS=ms70504201
  • mruodrlds1407cdhtv573pb8be
  • apple-domain-verification=PxdFJ1p8nWAuKg4P
  • 5h7um298skuk53mvthemjg5d0r
  • google-site-verification=mLg36KpRTBgpRBeN_9d4427F6vpf6H3gZ0J0BpJZRnY
Full email verification for ykc.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits