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73
Total
70
DNS
45
Email
84
Security
50
Network
100
Availability
Domainora.com
IPv41
IPv60
MX records5
StatusActive
Domain technical report

O'Reilly Media - Technology and Business Training

ora.com

Build the skills your teams need. Give them the O'Reilly learning platform and equip them with the resources that drive business outcomes.

Generated: 2026-08-08T20:57:55-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX5
NS6

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

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 propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

5 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
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 headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: 167.83.169.34.bc.googleusercontent.com

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)
34.169.83.167

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
1 aspmx.l.google.com.
10 aspmx3.googlemail.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
10 aspmx2.googlemail.com.

TXT

6 record(s)
"ms9geudeq4lcgiv638susjfjht"
"cdobt4pvidr3jtnu7nth96e664"
"8vnaab08160s9fqkrn7v8l3qmd"
"v=spf1 include:_spf.google.com -all"
"google-site-verification=AqP_FUfb8qzn0V4j1cQ-zvrzwYmLD4CNZR6Z49TBCXw"
"8cde0g9maphvns9ihb1frehdos"

NS

6 record(s)
a20-66.akam.net.
a13-64.akam.net.
a1-225.akam.net.
a4-64.akam.net.
a16-65.akam.net.
a3-67.akam.net.

SOA

1 record(s)
a1-225.akam.net. nic-tc.oreilly.com. 2021062355 600 1800 5184000 3600

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.google.com -all

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
O'Reilly Media - Technology and Business Training
Description
Build the skills your teams need. Give them the O'Reilly learning platform and equip them with the resources that drive business outcomes.
Final URL
https://www.oreilly.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.oreilly.com/
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
ora.com
Valid from
2026-06-30T18:08:21-05:00
Valid until
2026-09-28T18:08:20-05:00
Days remaining
50
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

5 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
34.169.83.167
45,97 ms
Cloudflare
1.1.1.1
34.169.83.167
72,35 ms
Quad9
9.9.9.9
34.169.83.167
82,77 ms
OpenDNS
208.67.222.222
34.169.83.167
354,03 ms
AdGuard
94.140.14.14
34.169.83.167
100,22 ms

IP, geolocation and ASNAssociated network information

34.169.83.167

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

aspmx.l.google.com

Port 25: Closed/unreachable - 21.7 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f216bc9asi5253467fac.376 - gsmtp
Port 465: Closed/unreachable - 4019 ms - 
Port 587: Closed/unreachable - 4002 ms -

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