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65
Total
80
DNS
20
Email
69
Security
35
Network
100
Availability
Domaindoubao.com
IPv48
IPv60
MX records3
StatusActive
Domain technical report

豆包 - 字节跳动旗下 AI 智能助手

doubao.com

Seedance 2.0 视频生成模型现已全面接入豆包，现在登录即可免费使用！豆包 是你的 AI 聊天智能对话问答助手，写作文案翻译编程工具。豆包为你答疑解惑，提供灵感，辅助创作，也可以和你畅聊任何你感兴趣的话题

Generated: 2026-08-09T08:32:47-05:00 · Cached result

JSONCSVPDFVisit site
IPv48
IPv60
MX3
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

8 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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓
CAA policy5 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

3 MX record(s).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
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

162 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 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 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

11 record(s)
;; communications error to 69.64.44.20#53: timed out
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.
163.181.246.195
163.181.246.191
163.181.246.194
163.181.246.188
163.181.246.192
163.181.246.189
163.181.246.193
163.181.246.190

AAAA

3 record(s)
doubao.com.bytedns1.com.
doubao.com.c.dsa.cdnbuild.net.
l7-online-self-max.s.dsa.cdnbuild.net.

CNAME

1 record(s)
doubao.com.bytedns1.com.

MX

3 record(s)
doubao.com.bytedns1.com.
doubao.com.c.dsa.cdnbuild.net.
l7-online-self-max.s.dsa.cdnbuild.net.

TXT

3 record(s)
doubao.com.bytedns1.com.
doubao.com.c.dsa.cdnbuild.net.
l7-online-self-max.s.dsa.cdnbuild.net.

NS

5 record(s)
ns-mobile.bytedns.com.
ns2.bytedns.com.
ns-telecom.bytedns.com.
ns-unicom.bytedns.com.
ns1.bytedns.com.

SOA

3 record(s)
doubao.com.bytedns1.com.
doubao.com.c.dsa.cdnbuild.net.
l7-online-self-max.s.dsa.cdnbuild.net.

CAA

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

DS

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

DNSKEY

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

RRSIG

1 record(s)
;; communications error to 69.64.44.20#53: timed out

NSEC

5 record(s)
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> doubao.com NSEC +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

NSEC3

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

SRV

11 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.
96 1 443 163.181.246.189.
95 1 443 163.181.246.191.
95 1 443 163.181.246.193.
95 1 443 163.181.246.192.
95 1 443 163.181.246.188.
95 1 443 163.181.246.195.
95 1 443 163.181.246.189.
95 1 443 163.181.246.194.
95 1 443 163.181.246.190.

NAPTR

3 record(s)
doubao.com.bytedns1.com.
doubao.com.c.dsa.cdnbuild.net.
l7-online-self-max.s.dsa.cdnbuild.net.

TLSA

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

SSHFP

2 record(s)
doubao.com.bytedns1.com.
doubao.com.230b2a2545cfa773.queniuck.com.

SPF

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
豆包 - 字节跳动旗下 AI 智能助手
Description
Seedance 2.0 视频生成模型现已全面接入豆包，现在登录即可免费使用！豆包 是你的 AI 聊天智能对话问答助手，写作文案翻译编程工具。豆包为你答疑解惑，提供灵感，辅助创作，也可以和你畅聊任何你感兴趣的话题
Final URL
https://www.doubao.com/chat/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.doubao.com/chat/
Version
3
Server
volc-dcdn
X-Powered-By
Goofy Node

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.doubao.com
Valid from
2026-01-18T18:00:00-06:00
Valid until
2027-01-18T17:59:59-06:00
Days remaining
162
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

1 active
—
HSTSNot detected
✓
Content Security PolicyImplemented
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
155.102.176.81, 155.102.176.82, 155.102.176.83, 155.102.176.84, 155.102.176.85, 155.102.176.86, 155.102.176.87, 155.102.176.88
439,87 ms
Cloudflare
1.1.1.1
98.96.213.145, 98.96.242.53
730,76 ms
Quad9
9.9.9.9
98.96.213.145, 98.96.242.53
1.811,52 ms
OpenDNS
208.67.222.222
98.96.213.145, 98.96.242.53
1.022,49 ms
AdGuard
94.140.14.14
98.96.213.145, 98.96.242.53
1.496,35 ms

IP, geolocation and ASNAssociated network information

163.181.246.195

No data
success
No
country
region
city
asn
organization
isp

163.181.246.191

No data
success
No
country
region
city
asn
organization
isp

163.181.246.194

No data
success
No
country
region
city
asn
organization
isp

163.181.246.188

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

doubao.com.bytedns1.com

Port 25: Closed/unreachable - 1.1 ms - 
Port 465: Closed/unreachable - 4017.8 ms - 
Port 587: Closed/unreachable - 4020 ms -

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