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68
Total
70
DNS
70
Email
65
Security
35
Network
80
Availability
Domaindangdang.com
IPv42
IPv60
MX records1
StatusActive
Domain technical report

µ±µ±Íø

dangdang.com

È«ÇòÁìÏȵÄ×ÛºÏÐÔÍøÉϹºÎïÖÐÐÄ¡£³¬¹ý100ÍòÖÖÉÌÆ·ÔÚÏßÈÈÏú£¡Í¼Ê顢ͯÊé¡¢»æ±¾¡¢ÖÐСѧ½Ì¸¨¡¢ÎÄѧС˵¡¢ÒôÏñ¡¢Ä¸Ó¤¡¢¼Ò¾Ó¡¢·þ×°¡¢Ð¬°üµÈ¼¸Ê®´óÀ࣬Õý°æ±£Ö¤£¬µÍÖÁ2ÕÛ£¨×ÔӪͼÊéÂú49ÔªÃâÔË·Ñ¡£µ±µ±ÍøÒ»¹á±ü³ÐÌáÉý¹Ë¿ÍÌåÑéµÄ³Ðŵ£¬×ÔÖúÍË»»»õ±ã½ÝÓÖ·ÅÐÄ£©

Generated: 2026-08-09T04:36:44-05:00 · Cached result

JSONCSVPDFVisit site
IPv42
IPv60
MX1
NS4

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

4 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.

!
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

123 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 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/1.1 200 OK

!
HTTPS final URL0 / 20 pts · Availability

Final URL is not HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
39.101.89.100
39.101.91.100

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
1 ddgw.mail2relay.com.

TXT

1 record(s)
"v=spf1 ip4:219.142.192.150/32 ip4:111.207.228.126/32 ip4:221.122.85.0/24 ip4:119.90.60.0/24 ip4:119.90.61.0/24 ip4:221.122.65.123/32 ip4:221.122.65.124 ip4:219.142.192.153/32 ip4:120.133.44.249/32 ip4:120.133.44.8/32 include:spf.mail2relay.com ~all"

NS

4 record(s)
vip3.alidns.com.
ns1.volcengine-dns.com.
ns2.volcengine-dns.com.
vip4.alidns.com.

SOA

1 record(s)
ns1.volcdns.com. dnsadmin.bytedance.com. 2025021800 3600 1200 86400 300

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 ip4:219.142.192.150/32 ip4:111.207.228.126/32 ip4:221.122.85.0/24 ip4:119.90.60.0/24 ip4:119.90.61.0/24 ip4:221.122.65.123/32 ip4:221.122.65.124 ip4:219.142.192.153/32 ip4:120.133.44.249/32 ip4:120.133.44.8/32 include:spf.mail2relay.com ~all

DMARC

Configured
v=DMARC1; p=none; ruf=mailto:muxiaolong@dangdang.com

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
µ±µ±Íø
Description
È«ÇòÁìÏȵÄ×ÛºÏÐÔÍøÉϹºÎïÖÐÐÄ¡£³¬¹ý100ÍòÖÖÉÌÆ·ÔÚÏßÈÈÏú£¡Í¼Ê顢ͯÊé¡¢»æ±¾¡¢ÖÐСѧ½Ì¸¨¡¢ÎÄѧС˵¡¢ÒôÏñ¡¢Ä¸Ó¤¡¢¼Ò¾Ó¡¢·þ×°¡¢Ð¬°üµÈ¼¸Ê®´óÀ࣬Õý°æ±£Ö¤£¬µÍÖÁ2ÕÛ£¨×ÔӪͼÊéÂú49ÔªÃâÔË·Ñ¡£µ±µ±ÍøÒ»¹á±ü³ÐÌáÉý¹Ë¿ÍÌåÑéµÄ³Ðŵ£¬×ÔÖúÍË»»»õ±ã½ÝÓÖ·ÅÐÄ£©
Final URL
http://www.dangdang.com/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
http://www.dangdang.com/
Version
2
Server
TencentEdgeOne
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.dangdang.com
Valid from
2026-05-25T19:00:00-05:00
Valid until
2026-12-10T17:59:59-06:00
Days remaining
123
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

0 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
39.101.89.100, 39.101.91.100
86,74 ms
Cloudflare
1.1.1.1
39.101.89.100, 39.101.91.100
186,69 ms
Quad9
9.9.9.9
39.101.89.100, 39.101.91.100
277,25 ms
OpenDNS
208.67.222.222
39.101.89.100, 39.101.91.100
117,45 ms
AdGuard
94.140.14.14
39.101.89.100, 39.101.91.100
324,35 ms

IP, geolocation and ASNAssociated network information

39.101.89.100

No data
success
No
country
region
city
asn
organization
isp

39.101.91.100

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

ddgw.mail2relay.com

Port 25: Closed/unreachable - 23.6 ms - 
Port 465: Closed/unreachable - 4036.7 ms - 
Port 587: Closed/unreachable - 4020.6 ms -

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