centuryac.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
centuryac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 20:27:16 UTC · ↺ Refresh

MX Hostnames

  • centuryac-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 20.62.174.8 (no PTR)

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns35.domaincontrol.com dns.jomax.net 2025070300 28800 7200 604800 86400
Primary NS (mname)
ns35.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025070300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns35.domaincontrol.com
ns36.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:12.247.246.102 ip4:12.97.48.145 ip4:64.106.173.15 ip4:64.106.173.18 ip4:64.106.173.19 ip4:64.106.173.20 include:spf-us.emailsignatures365.com include:spf-westeu.emailsignatures365.com include:cvent-planner.com include:servers.mcsv.net include:sendgrid.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=none; aspf=r; adkim=r; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

8 records
  • knowbe4-site-verification=9d275b2742c645fb2c14dc8141603eb7
  • apple-domain-verification=ObZJ4T9X64yBbveM
  • 20hz42dymqhtz4shcylk043q57pdjd8s
  • google-site-verification=srrzLD7PCMKJ_-neumqZMWDSbS51kC2aZfE4JpwMl0E
  • MS=ms30429661
  • ms-domain-verification=87d1dae7-bfc1-431c-b0c6-a0ac7295e8e4
  • SPFv=spf1 a mx ip4:12.247.246.102 ip4:12.97.48.145 ip4:64.106.173.15 ip4:64.106.173.18 ip4:64.106.173.19 ip4:64.106.173.20 include:spf-us.emailsignatures365.com include:spf-westeu.emailsignatures365.com include:cvent-planner.com include:servers.mcsv.net include:sendgrid.net include:spf.protection.outlook.com ~all
  • zoho-verification=zb15566522.zmverify.zoho.com
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