sei.sd.cn - robtex.com

sei.sd.cn

DNSSEC⚠️ Not signed
A39.105.121.111🇨🇳 Alibaba-Cloud39.104.0.0/15 CT BeiJing IDC
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
NSns13.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
NSns14.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
SOAns11.xincache.comns12@xincache.com serial=1723082347

sd.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2027240243
WOT: SAFE (99/100)

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DNS History

6 records (4 active, 2 former)

201820192020202120222023202420252026NSns11.xincache.comns13.xincache.comns14.xincache.comMXmail.sei.sd.cnA39.105.121.111124.128.79.122
●NSns11.xincache.com2026-06-04 → 2026-06-13 · 3 obs
○ 2017-12-28 14:16:02
● 2026-06-04 12:36:06
● 2026-06-13 19:36:38
●NSns13.xincache.com2017-12-28 → 2026-06-13 · 2 obs
● 2017-12-28 14:16:02
● 2026-06-13 19:36:38
●NSns14.xincache.com2017-12-28 → 2026-06-13 · 2 obs
● 2017-12-28 14:16:02
● 2026-06-13 19:36:38
○MXmail.sei.sd.cn2017-12-28 → 2017-12-28 · 3 obs
● 2017-12-28 14:16:02
○ 2026-06-04 12:36:06
○ 2026-06-13 19:36:38
○A124.128.79.1222017-12-28 → 2017-12-28 · 3 obs
● 2017-12-28 14:16:02
○ 2026-06-04 12:36:06
○ 2026-06-13 19:36:38
●A39.105.121.1112026-06-04 → 2026-06-13 · 3 obs
○ 2017-12-28 14:16:02
● 2026-06-04 12:36:06
● 2026-06-13 19:36:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
sei.sd.cnns13.xincache.com, ns14.xincache.com-

✅ Authoritative Response

Server:36.155.149.180

NS records: ns13.xincache.com, ns14.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sei.sd.cn (unsigned zone)

⏱️ Timing

Total: 1815ms | Queries: -

📄 Records

TypeCountSample Data
A139.105.121.111
NS2ns14.xincache.com, ns13.xincache.com
SOA1ns11.xincache.com ns12.xincache.com

Analysis

IP Addresses

sei.sd.cn has exactly one IP address — 39.105.121.111.

Name Servers

DNS for sei.sd.cn is handled by three authoritative name servers: ns11.xincache.com, ns13.xincache.com and ns14.xincache.com.

The name servers of sei.sd.cn overlap at least partially with those of other domains — among them sinocontrols.com.cn, kandschem.com, 54k.net.cn and two more.

These name servers commonly appear in delegations together with ns12.xincache.com, ns17.xincache.com, ns18.xincache.com and 6 other.

Hosts with 8 IP addresses each:

ns11.xincache.com has IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, plus 5 other.

ns13.xincache.com has IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, plus 5 other.

Hosts with 7 IP addresses each:

ns14.xincache.com has IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, plus 4 other.

Host names pointing to 2402:4e00:1470:2::e IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 2402:4e00:1730::e IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 1.12.0.4 IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 36.155.149.180 IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 112.80.181.45 IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 117.89.178.173 IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 125.94.59.210 IP addresses: ns11.xincache.com and ns13.xincache.com.

Host names pointing to 129.211.176.209 IP addresses: ns11.xincache.com and ns13.xincache.com.