smtswitch.com - robtex.com

smtswitch.com

DNSSEC⚠️ Not signed
A12.59.154.172🇺🇸 AS701812.56.0.0/13 AT&T Enterprises, LLC
NSns11.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns15.xincache.com
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns16.xincache.com
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
MXmxbiz1.qq.com ⭐
MXmxbiz2.qq.com(10)
TXTv=spf1 include:spf.mail.qq.com ~all
SOAns11.xincache.comns12@xincache.com serial=1700015412

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774582392

Subdomains

www.smtswitch.com

Same first word

smtswitch.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns15.xincache.comns16.xincache.comMXmxbiz1.qq.commxbiz2.qq.comA12.59.154.172121.40.131.19247.105.145.104
●NSns11.xincache.com2026-02-28 → 2026-03-27 · 3 obs
○ 2015-07-10 05:20:10
● 2026-02-28 19:15:00
● 2026-03-27 03:46:20
●NSns15.xincache.com2015-07-10 → 2026-03-27 · 2 obs
● 2015-07-10 05:20:10
● 2026-03-27 03:46:20
●NSns16.xincache.com2015-07-10 → 2026-03-27 · 2 obs
● 2015-07-10 05:20:10
● 2026-03-27 03:46:20
●MXmxbiz1.qq.com2015-07-10 → 2026-03-27 · 2 obs
● 2015-07-10 05:20:10
● 2026-03-27 03:46:20
●MXmxbiz2.qq.com2015-07-10 → 2026-03-27 · 2 obs
● 2015-07-10 05:20:10
● 2026-03-27 03:46:20
●A12.59.154.1722026-02-28 → 2026-03-27 · 3 obs
○ 2019-03-27 15:48:08
● 2026-02-28 19:15:00
● 2026-03-27 03:46:20
○A121.40.131.1922015-07-10 → 2017-02-02 · 4 obs
● 2015-07-10 05:20:10
● 2017-02-02 16:28:38
○ 2019-03-27 15:48:08
○ 2026-03-27 03:46:20
○A47.105.145.1042019-03-27 → 2019-03-27 · 4 obs
○ 2017-02-02 16:28:38
● 2019-03-27 15:48:08
○ 2026-02-28 19:15:00
○ 2026-03-27 03:46:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
smtswitch.comns15.xincache.com, ns16.xincache.com12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns15.xincache.com, ns16.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smtswitch.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

TypeCountSample Data
A112.59.154.172
NS2ns16.xincache.com, ns15.xincache.com
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
TXT1v=spf1 include:spf.mail.qq.com ~all
SOA1ns11.xincache.com ns12.xincache.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns15.xincache.com, ns15.xincache.com, ns15.xincache.com...)

Analysis

Hierarchy

www.smtswitch.com is a child of smtswitch.com.

IP Addresses

smtswitch.com resolves to one IP number: 12.59.154.172.

Name Servers

smtswitch.com is delegated to three name servers: ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.

smtswitch.com at least partially shares name servers with other domains, including hzjsht.com, cqyhjt.com, ntxx.com, testron.com.cn and huasang.com.

these name servers are commonly used with ns12.xincache.com, ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com and ns18.xincache.com.

Host names with eight IP numbers:

Host ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host ns15.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host names with seven IP numbers:

Host ns16.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns15.xincache.com.

Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns15.xincache.com.

Host names that point to 1.12.0.4: ns11.xincache.com and ns15.xincache.com.

Host names that point to 36.155.149.180: ns11.xincache.com and ns15.xincache.com.

Host names that point to 112.80.181.45: ns11.xincache.com and ns15.xincache.com.

Host names that point to 117.89.178.173: ns11.xincache.com and ns15.xincache.com.

Host names that point to 125.94.59.210: ns11.xincache.com and ns15.xincache.com.

Host names that point to 129.211.176.209: ns11.xincache.com and ns15.xincache.com.

Mail Servers

smtswitch.com is served by two mail servers mxbiz1.qq.com and mxbiz2.qq.com.

smtswitch.com shares the same mail server setup as other domains, for instance raoxiang.com, yrencai.com, globalsim.hk, zerophil.com and shineofdiamond.com.

smtswitch.com shares some mail servers with other domains, for instance nanjer.cn, marka.cn, hnjs888.com and edu-sketch.com.