ren - dns.ninja

ren

DNSSEC🔒 Signed (DS record present)
NSa.zdnscloud.com
A203.99.24.1🇨🇳 ZDNS203.99.24.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRa.zdnscloud.com
NSa.zdnscloud.cn
A203.99.24.1🇨🇳 ZDNS203.99.24.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRa.zdnscloud.com
NSb.zdnscloud.cn
NSc.zdnscloud.com
A203.99.26.1🇨🇳 ZDNS203.99.26.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRc.zdnscloud.com
NSd.zdnscloud.com
A203.99.27.1🇨🇳 ZDNS203.99.27.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRd.zdnscloud.com
NSf.zdnscloud.cn
A116.169.54.111🇨🇳 CHINA169-Backbone116.169.0.0/16 route of Chinaunicom
NSg.zdnscloud.com
A223.72.199.37🇨🇳 CMNET-BEIJING-AP223.72.199.0/24 CMI (Customer Route)
NSi.zdnscloud.cn
A2401:8d00:1::1🇨🇳 ZDNS2401:8d00:1::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRi.zdnscloud.com
NSj.zdnscloud.com
A2401:8d00:2::1🇨🇳 ZDNS2401:8d00:2::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
PTRj.zdnscloud.com
TXT2018-04-16_11:41:46
SOAa.zdnscloud.comtd_dns_gtld@knet.cn serial=1423182885

(root)

DNSSEC🔒 Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-08-11 #0
⚠️ On DNS blocklist: spam-tlds

Subdomains

Same first word

Similar names

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSa.zdnscloud.cna.zdnscloud.comb.zdnscloud.cnc.zdnscloud.comd.zdnscloud.comf.zdnscloud.cng.zdnscloud.comi.zdnscloud.cnj.zdnscloud.comb.zdnscloud.come.zdnscloud.comf.zdnscloud.comi.zdnscloud.com
NSa.zdnscloud.cn2026-02-14 → 2026-08-11 · 3 obs
○ 2021-10-27 08:32:28
● 2026-02-14 16:26:16
● 2026-08-11 09:48:50
NSa.zdnscloud.com2015-07-31 → 2026-08-11 · 7 obs
● 2015-07-31 22:40:42
● 2021-10-27 08:32:28
○ 2026-06-29 16:17:04
● 2026-06-29 17:42:52
○ 2026-07-03 03:32:54
● 2026-07-03 05:20:50
● 2026-08-11 09:48:50
NSb.zdnscloud.cn2026-02-14 → 2026-08-11 · 3 obs
○ 2021-10-27 08:32:28
● 2026-02-14 16:26:16
● 2026-08-11 09:48:50
NSb.zdnscloud.com2015-07-31 → 2021-10-27 · 4 obs
● 2015-07-31 22:40:42
● 2021-10-27 08:32:28
○ 2026-02-14 16:26:16
○ 2026-08-11 09:48:50
NSc.zdnscloud.com2015-07-31 → 2026-08-11 · 2 obs
● 2015-07-31 22:40:42
● 2026-08-11 09:48:50
NSd.zdnscloud.com2015-07-31 → 2026-08-11 · 2 obs
● 2015-07-31 22:40:42
● 2026-08-11 09:48:50
NSe.zdnscloud.com2015-07-31 → 2018-01-25 · 4 obs
● 2015-07-31 22:40:42
● 2018-01-25 01:57:58
○ 2018-05-19 02:27:00
○ 2026-08-11 09:48:50
NSf.zdnscloud.cn2026-02-14 → 2026-08-11 · 3 obs
○ 2021-10-27 08:32:28
● 2026-02-14 16:26:16
● 2026-08-11 09:48:50
NSf.zdnscloud.com2015-07-31 → 2021-10-27 · 4 obs
● 2015-07-31 22:40:42
● 2021-10-27 08:32:28
○ 2026-02-14 16:26:16
○ 2026-08-11 09:48:50
NSg.zdnscloud.com2015-07-31 → 2026-08-11 · 2 obs
● 2015-07-31 22:40:42
● 2026-08-11 09:48:50
NSi.zdnscloud.cn2026-02-14 → 2026-08-11 · 3 obs
○ 2021-10-27 08:32:28
● 2026-02-14 16:26:16
● 2026-08-11 09:48:50
NSi.zdnscloud.com2015-07-31 → 2021-10-27 · 4 obs
● 2015-07-31 22:40:42
● 2021-10-27 08:32:28
○ 2026-02-14 16:26:16
○ 2026-08-11 09:48:50
NSj.zdnscloud.com2015-07-31 → 2026-08-11 · 2 obs
● 2015-07-31 22:40:42
● 2026-08-11 09:48:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rena.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com...8 records

✅ Authoritative Response

Server:116.169.54.111

NS records: a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com, f.zdnscloud.cn, g.zdnscloud.com, i.zdnscloud.cn, j.zdnscloud.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

TypeCountSample Data
NS8a.zdnscloud.cn, b.zdnscloud.cn...
TXT12018-04-16_11:41:46
SOA1a.zdnscloud.com td_dns_gtld.knet.cn

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com...)

Analysis

Hierarchy

The host names ano.ren, f168b3.ren, icampus.ren, dehua.ren and carbon.ren — along with several hundred others — are all subdomains of ren.

Name Servers

ren carries NS records listing 9 name servers — a.zdnscloud.cn, b.zdnscloud.cn, f.zdnscloud.cn and 6 others.

ren has at least partial name server overlap with other domains, such as xn--imr513n, baidu, citic and two others.

a.zdnscloud.com, i.zdnscloud.cn and c.zdnscloud.com — plus 4 other name servers — are commonly paired with these name servers.

Hosts that resolve to one IP address:

a.zdnscloud.cn resolves to the IP address 203.99.24.1.

f.zdnscloud.cn resolves to the IP address 116.169.54.111.

i.zdnscloud.cn resolves to the IP address 2401:8d00:1::1.

a.zdnscloud.com resolves to the IP address 203.99.24.1.

c.zdnscloud.com resolves to the IP address 203.99.26.1.

d.zdnscloud.com resolves to the IP address 203.99.27.1.

g.zdnscloud.com resolves to the IP address 223.72.199.37.

j.zdnscloud.com resolves to the IP address 2401:8d00:2::1.

a.zdnscloud.cn and a.zdnscloud.com each have 203.99.24.1 IP addresses.