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57
Total
40
DNS
90
Email
69
Security
0
Network
60
Availability
Domainzalo.me
IPv40
IPv60
MX records1
StatusActive
Domain technical report

Zalo: Phát triển Internet thay đổi cuộc sống người Việt Nam

zalo.me

Tìm hiểu cách Zalo xây dựng, phát triển và đóng góp thông qua Zalo, Zing, Zalo Video; Trí tuệ nhân tạo (AI) Kiki Auto, mô hình ngôn ngữ lớn; Chuyển đổi số …

Generated: 2026-08-08T23:34:03-05:00 · Cached result

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IPv40
IPv60
MX1
NS4

DiagnosticsMain findings and recommendations

!
IPv4 (A)0 / 30 pts · Dns

0 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.

✓
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

168 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 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

!
DNS resolution0 / 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

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 <<>> zalo.me A +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

AAAA

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 <<>> zalo.me AAAA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

CNAME

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

MX

1 record(s)
10 zalo-me.mail.protection.outlook.com.

TXT

4 record(s)
"google-site-verification=W6B6OX-CH4YVR2qoG-rApRzMLtlkKQeHOZfkOO4NX_U"
"openai-domain-verification=dv-uGGHCB0vmqsOgOJBOVI4WypD"
"v=spf1 a mx include:amazonses.com include:spf.protection.outlook.com include:zapps.me include:zapps.vn ~all"
"google-site-verification=lpuA40S08EYD9BwfGINK96Y4LC0qkU7CBolRXlaYoT8"

NS

4 record(s)
zans1.zadns.vn.
zans2.zadns.vn.
zans1.zadns.me.
zans2.zadns.me.

SOA

2 record(s)
;; communications error to 69.64.44.20#53: timed out
zans1.zadns.vn. zdn.vng.com.vn. 2026073103 10000 2400 604800 300

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

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

NSEC

0 record(s)
—

Not configured

NSEC3

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

SRV

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 <<>> zalo.me SRV +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

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 <<>> zalo.me SSHFP +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

SPF

Configured
v=spf1 a mx include:amazonses.com include:spf.protection.outlook.com include:zapps.me include:zapps.vn ~all

DMARC

Configured
v=DMARC1; p=none; sp=reject; ruf=mailto:hotro@zalo.me,mailto:no-reply@zalo.me; rua=mailto:hotro@zalo.me,mailto:no-reply@zalo.me

DKIM

Selector default
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWQjKZxFWisWlmcrGxKV8Ws9AcJJvyYLi5dqBXJKe6TXlvPqz04yO2MXYz75nxJCg3N0O3Kj/92cPXqaxvmqdm9EYI//7TG6K80ESORg7Kh2dObtNqv6E1f6WjMsNcEvp7IDM3J3yqMKTQioMxQza1IcPA0MKv6W+8qvXkO+fDswIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Zalo: Phát triển Internet thay đổi cuộc sống người Việt Nam
Description
Tìm hiểu cách Zalo xây dựng, phát triển và đóng góp thông qua Zalo, Zing, Zalo Video; Trí tuệ nhân tạo (AI) Kiki Auto, mô hình ngôn ngữ lớn; Chuyển đổi số …
Final URL
https://zalo.me/vi/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://zalo.me/vi/
Version
3
Server
za-ngx-srv
X-Powered-By
Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.zalo.me
Valid from
2026-07-09T19:00:00-05:00
Valid until
2027-01-24T17:59:59-06:00
Days remaining
168
Protocol
TLSv1.2
Cipher
ECDHE-ECDSA-AES128-GCM-SHA256

Security headers

1 active
✓
HSTSImplemented
—
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
49.213.95.151, 49.213.95.189
41,33 ms
Cloudflare
1.1.1.1
49.213.95.151, 49.213.95.189
299,08 ms
Quad9
9.9.9.9
49.213.95.151, 49.213.95.189
250,76 ms
OpenDNS
208.67.222.222
49.213.95.151, 49.213.95.189
758,79 ms
AdGuard
94.140.14.14
49.213.95.151, 49.213.95.189
555,55 ms

IP, geolocation and ASNAssociated network information

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

zalo-me.mail.protection.outlook.com

Port 25: Closed/unreachable - 20.2 ms - 
Port 465: Closed/unreachable - 4029.8 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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