mail.szjunlin.com - robtex.com

mail.szjunlin.com

CNAMEexmail.qq.com
DNSSEC⚠️ Not signed
NSns-cmn1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A42.187.235.2🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network
A43.140.54.204🇨🇳 TENCENT-NET-AP43.140.0.0/18 Tencent Cloud Computing (Beijing) Co., Ltd 309 West Zone, 3F. 49 Zhichun Road. Haidian District.
A43.142.212.27🇨🇳 TENCENT-NET-AP43.142.192.0/18
NSns-cnc1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A61.135.196.2🇨🇳 CHINA169-BJ61.135.196.0/24
A140.207.180.96🇨🇳 UNICOM-SHFT-IDC140.207.180.0/24 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street
A157.255.6.102🇨🇳 UNICOM-GuangZhou-IDC157.255.6.0/24
NSns-os1.qq.com ⚠️ Not in parent delegation
A2402:4e00:111:ff4::3🇨🇳 TENCENT-NET-AP2402:4e00::/35
A43.129.131.16🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20
A43.130.172.23🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.134.249.23🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.10🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.159.167.133🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A43.166.55.3🇸🇬 TENCENT-NET-AP-CN43.166.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES
A49.51.76.46🇺🇸 TENCENT-NET-AP-CN49.51.76.0/23 Proxy-registered route object
A170.106.32.16🇺🇸 TENCENT-NET-AP-CN170.106.32.0/22 Proxy-registered route object
A203.205.220.26🇭🇰 TENCENT-NET-AP-CN203.205.220.0/23 Proxy-registered route object
NSns-tel1.qq.com ⚠️ Not in parent delegation
A240e:e1:aa00:2002::3🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC
A14.116.238.220🇨🇳 CHINANET-BACKBONE14.112.0.0/12 China Telecom Network
A49.7.250.139🇨🇳 CHINA-149.7.192.0/18 China Telecom Beijing Co. Ltd.
A101.227.161.254🇨🇳 SHANGHAITELECOM101.227.161.0/24 SHIDC

szjunlin.com

DNSSEC⚠️ Not signed
A120.77.202.104🇨🇳 Alibaba-Cloud120.77.128.0/17
NSns11.xincache.com ⭐
NSns12.xincache.com
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
TXTgoogle-site-verification=CXVxVhvHlsEnMZpki0nEXsSK4Puq6wzNndk5NcuRiaA
SOAns11.xincache.comns12@xincache.com serial=1775121430

Previously MX for

szjunlin.com

Same first word

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DNS History

5 records (1 active, 4 former)

200920112013201520172019202120232025MXmxbiz1.qq.commxbiz2.qq.comA103.7.30.46CNAMEexmail.qq.comexmail.wechatos.net
○MXmxbiz1.qq.com2016-07-01 → 2016-07-01 · 3 obs
● 2016-07-01 12:07:00
○ 2026-04-15 20:43:50
○ 2026-04-15 20:43:52
○MXmxbiz2.qq.com2016-07-01 → 2016-07-01 · 3 obs
● 2016-07-01 12:07:00
○ 2026-04-15 20:43:50
○ 2026-04-15 20:43:52
○A103.7.30.462015-07-04 → 2016-07-01 · 4 obs
● 2015-07-04 18:59:06
● 2016-07-01 12:07:00
○ 2026-04-15 20:43:50
○ 2026-04-15 20:43:52
●CNAMEexmail.qq.com2015-07-04 → 2026-04-15 · 3 obs
○ 2008-03-13 01:29:40
● 2015-07-04 18:59:06
● 2026-04-15 20:43:52
○CNAMEexmail.wechatos.net2015-11-09 → 2016-07-01 · 5 obs
○ 2015-07-04 18:59:06
● 2015-11-09 14:04:54
● 2016-07-01 12:07:00
○ 2026-04-15 20:43:50
○ 2026-04-15 20:43:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
szjunlin.comns11.xincache.com, ns12.xincache.com12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for szjunlin.com (unsigned zone)

⏱️ Timing

Total: 88ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1exmail.qq.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

Name Servers

mail.szjunlin.com is delegated to four name servers: ns-cmn1.qq.com, ns-cnc1.qq.com, ns-os1.qq.com and ns-tel1.qq.com.

mail.szjunlin.com at least partially shares name servers with other domains such as mxdomain1.qq.com, smtpbg221.qq.com, 821642047.qq.com, haina.qq.com and qqread.qq.com.

These name servers are commonly used alongside ns1.qq.com, ns2.qq.com, ns3.qq.com, ns4.qq.com, ns-open1.qq.com, ns-open2.qq.com and ns-open3.qq.com.

Ten IPs for host ns-os1.qq.com: 2402:4e00:111:ff4::3, 43.129.131.16, 43.130.172.23, 43.134.249.23, 43.159.167.10, 43.159.167.133, 43.166.55.3, 49.51.76.46, 170.106.32.16 and 203.205.220.26.

Four IPs for host ns-cmn1.qq.com: 2402:4e00:111:ff4::3, 42.187.235.2, 43.140.54.204 and 43.142.212.27.

Four IPs for host ns-cnc1.qq.com: 240e:e1:aa00:2002::3, 61.135.196.2, 140.207.180.96 and 157.255.6.102.

Four IPs for host ns-tel1.qq.com: 240e:e1:aa00:2002::3, 14.116.238.220, 49.7.250.139 and 101.227.161.254.

Hosts pointing to 2402:4e00:111:ff4::3: ns-os1.qq.com and ns-cmn1.qq.com.

Hosts pointing to 240e:e1:aa00:2002::3: ns-cnc1.qq.com and ns-tel1.qq.com.