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80
Total
70
DNS
90
Email
77
Security
50
Network
100
Availability
Domaincna.com.tw
IPv41
IPv60
MX records1
StatusActive
Domain technical report

中央社 CNA

cna.com.tw

24小時報導國際、財經、科技、醫藥、生活、運動、教育、政治、影劇、社會、地方即時新聞的網站，並提供社群討論、分享功能。

Generated: 2026-08-09T19:08:22-05:00 · Cached result

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IPv41
IPv60
MX1
NS2

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

2 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

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

62 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 DNS30 / 30 pts · Network

PTR: 205.71.160.34.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)
34.160.71.205

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 mail.cna.com.tw.

TXT

6 record(s)
"v=spf1 ip4:61.219.29.196 ip4:60.251.96.132 include:_spf.google.com ~all"
"q3u5k9akaun5it3qi3c9glhdqk"
"google-site-verification=-6Yu287NAChwvoJ0WfFI80Lk_A8YDwMOFpERcs4ITIs"
"google-site-verification=B8ed_Ncqn8YG3DXIfy8TlQbbLOYJUEhd18k4-tNeYwc"
"google-site-verification=lQU1rsvm-IK17pIopHersLKk-lKO3KvGRsV9WrSfJ-U"
"hb54u0lclhkqo8b28819r2mn2l"

NS

2 record(s)
ns1.f5clouddns.com.
ns2.f5clouddns.com.

SOA

1 record(s)
ns1.f5clouddns.com. f5xc-dns.f5.com. 2023033214 3600 7200 360000 1800

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 ip4:61.219.29.196 ip4:60.251.96.132 include:_spf.google.com ~all

DMARC

Configured
v=DMARC1;p=none;pct=100;rua=mailto:ic00@cna.com.tw

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCaUYSH9+jsQIZyI6BN3EjAb9EPA+kqi8CtrDPALmoQl8zwcFybfNIHXaj168XysnW6hEAAZ57sZDKAJwUs212yGuVyn80Pn8rr+dUWl5KygRBDkG3a6P8LBDdO3SXkzNZtt2d1BwltsIS9gyJgeJGK2HTPjJc9yYCxx9NJubhz4wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
中央社 CNA
Description
24小時報導國際、財經、科技、醫藥、生活、運動、教育、政治、影劇、社會、地方即時新聞的網站，並提供社群討論、分享功能。
Final URL
https://www.cna.com.tw/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
cna.com.tw
Valid from
2026-07-13T03:44:44-05:00
Valid until
2026-10-11T04:40:40-05:00
Days remaining
62
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
34.160.71.205
156,94 ms
Cloudflare
1.1.1.1
34.160.71.205
309,73 ms
Quad9
9.9.9.9
34.160.71.205
441,22 ms
OpenDNS
208.67.222.222
34.160.71.205
227,94 ms
AdGuard
94.140.14.14
34.160.71.205
478,40 ms

IP, geolocation and ASNAssociated network information

34.160.71.205

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

mail.cna.com.tw

Port 25: Closed/unreachable - 86.8 ms - 
Port 465: Closed/unreachable - 620 ms - 
Port 587: Closed/unreachable - 195.1 ms - 220 [mail.cna.com.tw ESMTP ArmorX(SpamTrap)]

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