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75
Total
60
DNS
90
Email
61
Security
65
Network
100
Availability
Domaincityofchicago.org
IPv42
IPv60
MX records2
StatusActive
Domain technical report

Access Denied

cityofchicago.org

Generated: 2026-08-10T07:36:49-05:00 · Cached result

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IPv42
IPv60
MX2
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

20 day(s) remaining.

i
Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-216-5-196.deploy.static.akamaitechnologies.com

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
23.216.5.196
23.216.5.213

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mxa-00007602.gslb.pphosted.com.
10 mxb-00007602.gslb.pphosted.com.

TXT

11 record(s)
"hoqahslQp3Jc7Aie4V2C5GrBAw6CpYYuVhFPxT0ZZJWgw4yAyPRjHlYEXUawfYouRxbsa/NxlL56XF2ezgnFsA=="
"_73bvpdmr1sihsasx3vqlrre6igfbiqs"
"mongodb-site-verification=TlgZplyGfEwcJnUXODPFriikftstwxH8"
"MS=ms42423307"
"_globalsign-domain-verification=ZSjib38mZTRF2oq0ZFS3f9cSgM8t-qLyw09ST06yT5"
"SFMC-sDerr5wifD_BW1M3v9zDwmwXbHBJXS4j50nnp3Ok"
"secureframe-domain-verification-d2vdmm=X7zgBRGyZBataqqF3L2L3XLEx"
"cisco-ci-domain-verification=50fcd671b109f3c712ebf2040868c8b21a49bb78144cacd87bcceeb4b69f1aaf"
"apple-domain-verification=9szusqrC1OX75soA"
"0b707ad0-73ae-4434-80bf-65a6948f6d34"
"v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all "

NS

6 record(s)
a5-64.akam.net.
a10-67.akam.net.
a7-66.akam.net.
a4-65.akam.net.
a1-221.akam.net.
a22-65.akam.net.

SOA

1 record(s)
a1-221.akam.net. hostmaster.cityofchicago.org. 2014083129 14400 3600 2419200 300

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdoUWSPyAKsRk+Ev1hV4VEuf3diQIwPK5GToAQEoFZRjoAF27iOsmvkWIEkoh9T2vyCiPeMEn6A1D3Y2uXZiM/rIK4i9HsI7NhuGgbVFN3FppuJQFo7oKi0GIvkRTyTdCEJv1zl5alyqCHdSA59RfUzcQiblYhj8Jfs7JGcKCStQIDAQAB; n=1024,1453323530,1469048330

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Access Denied
Description
Final URL
https://cityofchicago.org/
HTTP status
403

HTTP

Status
HTTP/2 200
Final URL
https://www.chicago.gov/city/en.html
Version
3
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
chicago.gov
Valid from
2026-06-01T14:05:35-05:00
Valid until
2026-08-30T14:05:34-05:00
Days remaining
20
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

0 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.216.5.196, 23.216.5.213
64,12 ms
Cloudflare
1.1.1.1
23.216.5.134, 23.216.5.154
50,80 ms
Quad9
9.9.9.9
23.55.236.134, 23.55.236.140
200,68 ms
OpenDNS
208.67.222.222
23.216.5.196, 23.216.5.213
94,44 ms
AdGuard
94.140.14.14
23.49.251.198, 23.49.251.218
275,81 ms

IP, geolocation and ASNAssociated network information

23.216.5.196

No data
success
No
country
region
city
asn
organization
isp

23.216.5.213

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mxa-00007602.gslb.pphosted.com

Port 25: Closed/unreachable - 23.2 ms - 
Port 465: Closed/unreachable - 71.4 ms - 
Port 587: Closed/unreachable - 21.4 ms -

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