cityofchicago.org

Valid Email Server
Domain Lookup › cityofchicago.org

Domain Overview

DNS: ✓ just now Checker: ✓ just now
cityofchicago.org
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-01 19:23:24 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mxa-00007602.gslb.pphosted.com
  • mxb-00007602.gslb.pphosted.com

MX Priorities

  • mxa-00007602.gslb.pphosted.com: 10
  • mxb-00007602.gslb.pphosted.com: 10

A / AAAA Records

  • 23.219.36.134 ↩ a23-219-36-134.deploy.static.akamaitechnologies.com
  • 23.219.36.139 ↩ a23-219-36-139.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 205.220.181.221 ↩ mx0b-00007602.pphosted.com
  • 205.220.169.222 ↩ mx0a-00007602.pphosted.com

SOA Record

Raw SOA a1-221.akam.net hostmaster.cityofchicago.org 2014083119 14400 3600 2419200 300
Primary NS (mname)
a1-221.akam.net
Admin Email (rname)
hostmaster@cityofchicago.org
Serial
2014083119
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

a7-66.akam.net
a1-221.akam.net
a4-65.akam.net
a10-67.akam.net
a22-65.akam.net
a5-64.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

11 records
  • SFMC-sDerr5wifD_BW1M3v9zDwmwXbHBJXS4j50nnp3Ok
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • cisco-ci-domain-verification=50fcd671b109f3c712ebf2040868c8b21a49bb78144cacd87bcceeb4b69f1aaf
  • secureframe-domain-verification-d2vdmm=X7zgBRGyZBataqqF3L2L3XLEx
  • hoqahslQp3Jc7Aie4V2C5GrBAw6CpYYuVhFPxT0ZZJWgw4yAyPRjHlYEXUawfYouRxbsa/NxlL56XF2ezgnFsA==
  • _73bvpdmr1sihsasx3vqlrre6igfbiqs
  • 0b707ad0-73ae-4434-80bf-65a6948f6d34
  • apple-domain-verification=9szusqrC1OX75soA
  • mongodb-site-verification=TlgZplyGfEwcJnUXODPFriikftstwxH8
  • MS=ms42423307
  • _globalsign-domain-verification=ZSjib38mZTRF2oq0ZFS3f9cSgM8t-qLyw09ST06yT5
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for cityofchicago.org

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits