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76
Total
75
DNS
45
Email
84
Security
65
Network
100
Availability
Domainwretch.cc
IPv42
IPv60
MX records1
StatusActive
Domain technical report

Yahoo

wretch.cc

Yahoo Yahoo奇摩 提供即時新聞、氣象、購物、信箱、搜尋、政治、國際、運動、股市、娛樂、科技、電影、汽機車、旅遊、遊戲。每天賺奇摩值、發掘更多精彩內容、一站獲取豐富生活！

Generated: 2026-08-11T12:10:24-05:00 · Cached result

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IPv42
IPv60
MX1
NS5

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

5 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 policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
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

134 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: a7de0457831fd11f7.awsglobalaccelerator.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)
76.223.84.192
13.248.158.7

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 .

TXT

0 record(s)
—

Not configured

NS

5 record(s)
ns5.yahoo.com.
ns1.yahoo.com.
ns4.yahoo.com.
ns3.yahoo.com.
ns2.yahoo.com.

SOA

1 record(s)
hidden-master.yahoo.com. hostmaster.yahoo-inc.com. 2026080501 3600 900 604800 600

CAA

3 record(s)
0 iodef "mailto:security@yahooinc.com"
0 issue "digicert.com"
0 issue "globalsign.com"

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

Not configured
—

Not configured

DMARC

Configured
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-yahoo-rua@yahoo-inc.com;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Yahoo
Description
Yahoo Yahoo奇摩 提供即時新聞、氣象、購物、信箱、搜尋、政治、國際、運動、股市、娛樂、科技、電影、汽機車、旅遊、遊戲。每天賺奇摩值、發掘更多精彩內容、一站獲取豐富生活！
Final URL
https://tw.yahoo.com/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
src3.yahoo.com
Valid from
2026-06-30T19:00:00-05:00
Valid until
2026-12-23T17:59:59-06:00
Days remaining
134
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

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
13.248.158.7, 76.223.84.192
58,85 ms
Cloudflare
1.1.1.1
13.248.158.7, 76.223.84.192
455,35 ms
Quad9
9.9.9.9
13.248.158.7, 76.223.84.192
322,69 ms
OpenDNS
208.67.222.222
13.248.158.7, 76.223.84.192
190,80 ms
AdGuard
94.140.14.14
13.248.158.7, 76.223.84.192
302,85 ms

IP, geolocation and ASNAssociated network information

76.223.84.192

No data
success
No
country
region
city
asn
organization
isp

13.248.158.7

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

wretch.cc

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4025 ms - 
Port 587: Closed/unreachable - 4020 ms -

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