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74
Total
60
DNS
90
Email
77
Security
20
Network
100
Availability
Domaincoloradoan.com
IPv41
IPv60
MX records1
StatusActive
Domain technical report

The Coloradoan | Fort Collins news, community, entertainment, and classifieds. Serving Fort Collins, Colorado

coloradoan.com

Serving Fort Collins and Northern Colorado through news, community events, entertainment and classifieds.

Generated: 2026-08-11T11:18:16-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX1
NS8

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

8 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

1 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

50 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
IPv4 diversity20 / 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

1 record(s)
146.75.78.62

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
5 coloradoan-com.mail.protection.outlook.com.

TXT

9 record(s)
"3be965b2ba1a4380915b87ac27849a15"
"perplexity-ai-domain-verification-n4gym5=EsEq9KReUYUfG4uCz3SOGsJTD"
"00DWJ000007aRor=1TBWJ0000000Gcf"
"00DE0000000J6ks=1TBaZ00000004F1"
"facebook-domain-verification=sctd4rywafgbr7zu1eofyupviyub5j"
"MS=ms31644284"
"adobe-idp-site-verification=7a20173eab2daba6709deb0312d1a66f053c2d6fb763c416b7764b0c9c49f695"
"openai-domain-verification=dv-7fsRjbrhbuBtzuwzfI1Zijjm"
"v=spf1 include:spf.mandrillapp.com include:spf.gannett.com include:amazonses.com include:spf.extole.io -all"

NS

8 record(s)
ns01.gannett-dns.com.
dns4.p01.nsone.net.
ns04.gannett-dns.com.
ns02.gannett-dns.com.
dns3.p01.nsone.net.
dns1.p01.nsone.net.
dns2.p01.nsone.net.
ns03.gannett-dns.com.

SOA

1 record(s)
dns1.p01.nsone.net. hostmaster.infi.net. 1658672177 10800 3600 604800 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:spf.mandrillapp.com include:spf.gannett.com include:amazonses.com include:spf.extole.io -all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt/4NH9ox0YFH0Ctk6UDsxsDaLKMQ2GNUI71bzQbXAtXf4piQV5OElWzd07WwXLLeCTBkVOjxWke5FffvAjJMg6/hJQkuS7Q+NpxvLgor2LUSaNq9UBuOcKpa2lM/N3MtuLGaKh4P1asVSHQeRuYuPa9akyERfZwA30Z4NX12c2o3tJekq8LGzapk+r2ZGkxyBim/cF31yUepFHG8YIW+Faf+WpK70GVEkzfhEXIT6YITIQy1t8jFheu7N6dvboUEwt04HIecVpMkI01EZmDnxitX58hPe5KHxkeRkoa7PFeP8VKPxwAqSBZZInB9zrKE6kpduHJvcjejuQ628mb60QIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
The Coloradoan | Fort Collins news, community, entertainment, and classifieds. Serving Fort Collins, Colorado
Description
Serving Fort Collins and Northern Colorado through news, community events, entertainment and classifieds.
Final URL
https://www.coloradoan.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.coloradoan.com/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
coloradoan.com
Valid from
2026-07-02T13:41:09-05:00
Valid until
2026-09-30T13:41:08-05:00
Days remaining
50
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

3 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
✓
Permissions PolicyImplemented
—
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
199.232.66.62
66,44 ms
Cloudflare
1.1.1.1
140.248.150.62
25,97 ms
Quad9
9.9.9.9
151.101.114.62
23,46 ms
OpenDNS
208.67.222.222
146.75.78.62
84,74 ms
AdGuard
94.140.14.14
199.232.38.62
106,99 ms

IP, geolocation and ASNAssociated network information

146.75.78.62

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

coloradoan-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 24.9 ms - 
Port 465: Closed/unreachable - 4038 ms - 
Port 587: Closed/unreachable - 4019.3 ms -

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