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Total

DNS

Email

Security

Network

100

Availability

Domaincsair.com

IPv41

IPv61

MX records3

StatusActive

Domain technical report

中国南方航空官网-机票查询,机票预定,航班查询

csair.com

中国南方航空官网,提供国内国际机票预订,飞机票查询,航班查询,特价打折机票预订,明珠会员服务等.南航特价优惠机票2折起,南航官网预订机票最高直减15%,南航全国销售服务热线95539.

Generated: 2026-08-10T11:24:36-05:00 · Cached result

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IPv41

IPv61

MX3

NS7

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

7 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

3 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

62 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 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 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 URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

183.236.6.196

AAAA

2 record(s)

;; communications error to 69.64.44.20#53: timed out
2409:8754:810:3::b7ec:6c4

CNAME

0 record(s)

—

Not configured

MX

3 record(s)

30 smtp1.cs-air.com.
10 mx1.csair.com.
20 mx2.csair.com.

TXT

1 record(s)

"v=spf1 ip4:59.41.199.0/24 ip4:157.122.72.0/24 ip4:183.236.6.0/24 ip4:45.194.96.240/28 ip4:202.156.53.128/26 -all"

NS

7 record(s)

;; communications error to 69.64.44.20#53: timed out
csans3.cs-air.com.
csans5.cs-air.com.
csans1.cs-air.com.
csans2.cs-air.com.
csans4.cs-air.com.
csans6.cs-air.com.

SOA

1 record(s)

csans1.cs-air.com. hostmaster. 2023121713 600 600 1209600 600

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

1 record(s)

;; communications error to 69.64.44.20#53: timed out

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:59.41.199.0/24 ip4:157.122.72.0/24 ip4:183.236.6.0/24 ip4:45.194.96.240/28 ip4:202.156.53.128/26 -all

DMARC

Configured

v=DMARC1; p=none; pct=100; rua=mailto:rua@csair.com; ruf=mailto:ruf@csair.com

DKIM

Selector default

v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTt8mTd/O6YsDfc1rf4Em7y8UhdNSog0GnMubtv6TVv1eDtii2dDYzH13cBSuMdvCSdTbDQZY+gRZ6oCu7q/ImNk0Vx51eTtN/bAl4MZxegO2NepNAw4aY3reRx3yJ24KxaEOGS6/iTHEm70kPCJhqHxDXfuBYlXCKbphQDd17/QIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

中国南方航空官网-机票查询,机票预定,航班查询

Description

Final URL

https://csair.com/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://csair.com/

Version

Server

openresty

X-Powered-By

106

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert, Inc.

*.csair.cn

Valid from

2026-03-26T19:00:00-05:00

Valid until

2026-10-11T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

183.236.6.196

278,58 ms

Cloudflare

1.1.1.1

183.236.6.196

576,73 ms

Quad9

9.9.9.9

183.236.6.196

264,63 ms

OpenDNS

208.67.222.222

183.236.6.196

235,49 ms

AdGuard

94.140.14.14

183.236.6.196

381,53 ms

IP, geolocation and ASNAssociated network information

183.236.6.196

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

smtp1.cs-air.com

Port 25: Closed/unreachable - 202.1 ms - 
Port 465: Closed/unreachable - 4208.2 ms - 
Port 587: Closed/unreachable - 2061.8 ms -

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