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70
Total
85
DNS
45
Email
96
Security
35
Network
60
Availability
Domainyuku.com
IPv42
IPv60
MX records0
StatusActive
Domain technical report

Just a moment...

yuku.com

Generated: 2026-08-10T19:13:31-05:00 · Cached result

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IPv42
IPv60
MX0
NS2

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

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

✓
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

74 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers31 / 35 pts · Security

8 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
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 response0 / 40 pts · Availability

HTTP/1.1 403 Forbidden

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
104.21.34.173
172.67.163.79

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

1 record(s)
"v=spf1 ip4:13.77.82.104 ip4:40.84.3.83 include:_spf.google.com include:amazonses.com ~all"

NS

2 record(s)
cory.ns.cloudflare.com.
mira.ns.cloudflare.com.

SOA

1 record(s)
cory.ns.cloudflare.com. dns.cloudflare.com. 2411196705 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 CEBBAF280795021CBA248E0DE65D12FFCB8B08DE93F6A3CCF328F98F A4E9DABE

DNSKEY

2 record(s)
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

4 record(s)
SOA 13 2 1800 20260812011321 20260809231321 34505 yuku.com. GWB7taNcPLrAyO59t4AUs6A2kXd9TytCjGHgvpIRRwLNbLXsIOJkm0Xn SbnZ/UcALWjEoiBtah2WX1Z5FIykoQ==
TXT 13 2 300 20260812011321 20260809231321 34505 yuku.com. Y1jUtPklrKocYj2oXvTYYuga8pZUsC/v+oUElDT8piimN03WOfOHG+Qx ItMHLrF2oQJU13fFVxOQUHXkEPxsxA==
NS 13 2 86400 20260812000054 20260809220054 34505 yuku.com. 5m8jpnBf5aL0wmso02fB3/6bLpYBI7PXGO7QE7SYOY/vMNBSwnVlKUNE 19emGAHGa4V0g8Sm5AnR39/vc5U/ng==
DS 13 2 86400 20260816020540 20260809005540 41446 com. SI1YD2HLjRWOgRHcL3637KiRUm/XvGTWV3aGNPguD10xYitr4NkttD6f mC6Dkf79ZvjY1P6Cl4hN8V8MuJ6LjQ==

NSEC

1 record(s)
\000.yuku.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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 ip4:13.77.82.104 ip4:40.84.3.83 include:_spf.google.com include:amazonses.com ~all

DMARC

Not configured
—

Not configured

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC2gNi4GNDswyXkWPO3cWIa4849VQSJGni408pCx3qVNwlPcp2TqK5x9V+0Fm+O4G6lpX/jlSC+2hUdqyG+O8H9l+SpZCgiFf3BzfmdCSnbg8DJcHFOpWVLKxU0DPlojZubOyNCWpNaDkioBaEgQecueuf1UMfgnObvwr+Bnvu0UwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Just a moment...
Description
Final URL
https://yuku.com/
HTTP status
403

HTTP

Status
HTTP/1.1 403 Forbidden
Final URL
https://yuku.com/
Version
2
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
yuku.com
Valid from
2026-07-26T01:27:35-05:00
Valid until
2026-10-24T01:27:34-05:00
Days remaining
74
Protocol
TLSv1.2
Cipher
ECDHE-ECDSA-AES128-GCM-SHA256

Security headers

8 active
—
HSTSNot detected
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
✓
Cross-Origin-Opener-PolicyImplemented
✓
Cross-Origin-Embedder-PolicyImplemented
✓
Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
104.21.34.173, 172.67.163.79
65,45 ms
Cloudflare
1.1.1.1
104.21.34.173, 172.67.163.79
30,78 ms
Quad9
9.9.9.9
104.21.34.173, 172.67.163.79
53,15 ms
OpenDNS
208.67.222.222
104.21.34.173, 172.67.163.79
61,97 ms
AdGuard
94.140.14.14
104.21.34.173, 172.67.163.79
54,03 ms

IP, geolocation and ASNAssociated network information

104.21.34.173

No data
success
No
country
region
city
asn
organization
isp

172.67.163.79

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

yuku.com

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 4009 ms - 
Port 587: Closed/unreachable - 4004.1 ms -

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