oldchicago.com

Valid Email Server
Domain Lookup › oldchicago.com

Domain Overview

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

Checked via [email protected] · 2026-03-25 02:13:38 UTC · ↺ Refresh

MX Hostnames

  • oldchicago-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 130.211.172.201 ↩ 201.172.211.130.bc.googleusercontent.com

Mail Server IPs

  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com

SOA Record

Raw SOA ns53.worldnic.com namehost.worldnic.com 126020918 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126020918
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns53.worldnic.com
ns54.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

17 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=ywydcwylqspdy42tlvrhsoqhslwnmtryh8cdcj-4sbi
  • MS=ms87554942
  • ms=ms64019960
  • MS=ms85473364
  • facebook-domain-verification=qjjofxlko59n9vakrj88zv77lw7j81
  • google-site-verification=kgaoz_g2fk31bjcygvg4vckvqkylm-6eo5nxe4-5vd0
  • google-site-verification=pEGkurn42eIVP0k3wloa8gzFhbjqDSfOaMfeq3LRm6I
  • 2i2n1hbia4aoe3p7odkg0gq7qm
  • google-site-verification=pegkurn42eivp0k3wloa8gzfhbjqdsfoamfeq3lrm6i
  • google-site-verification=yn2zggdjdy7gv6zoldeuu7r_8i5v6tgafilsfvzxdbq
  • oc-web-prod.azurewebsites.net
  • apple-domain-verification=zYAXRlLJHy3V248j
  • ms=ms87554942
  • google-site-verification=Yn2ZggdjdY7gV6ZOlDEuu7r_8I5V6TgafIlsFvzxDBQ
  • knowbe4-site-verification=c33274bc8a82961dfd12ce7e818dc484
  • google-site-verification=YwYDcWYlQSpdy42TlVRHSoQhSLwNmTryH8Cdcj-4sbI
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