dcor.cn - robtex.com

dcor.cn

DNSSEC⚠️ Not signed
A156.254.66.34🇭🇰 OWGELS-AS-AP156.254.66.0/24
NSns1.julydns.com ⭐ ⚠️ Not in parent delegation
A47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD
PTRip-47-97-51-45.defastlink.net
NSns1.judns.com ⚠️ Not in zone NS records
A47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD
PTRip-47-97-51-45.defastlink.net
NSns2.judns.com ⚠️ Not in zone NS records
A162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-162-159-27-251.defastlink.net
NSns2.julydns.com ⚠️ Not in parent delegation
A162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRip-162-159-48-223.defastlink.net
SOAns1.julydns.commaster@jmdns.com serial=1773058915

cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ 🔒
NSb.dns.cn
NSc.dns.cn 🔒
NSd.dns.cn 🔒
NSe.dns.cn 🔒
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034456417

Same first word

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dcor.org

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dorc.cn
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cdor.us

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns1.judns.comns1.julydns.comns2.judns.comns2.julydns.comdns29.hichina.comdns30.hichina.comns1.22.cnns2.22.cnns3.22.cnns4.22.cnMXmxdomain.qq.comA156.254.66.3447.88.34.223CNAMEexpired.hichina.com
○NSdns29.hichina.com2020-01-13 → 2021-02-12 · 5 obs
○ 2017-01-10 21:25:42
● 2020-01-13 18:05:42
● 2021-02-12 07:32:18
○ 2026-03-13 15:43:08
○ 2026-03-15 00:02:44
○NSdns30.hichina.com2020-01-13 → 2021-02-12 · 5 obs
○ 2017-01-10 21:25:42
● 2020-01-13 18:05:42
● 2021-02-12 07:32:18
○ 2026-03-13 15:43:08
○ 2026-03-15 00:02:44
○NSns1.22.cn2015-06-28 → 2017-01-10 · 4 obs
● 2015-06-28 09:49:18
● 2017-01-10 21:25:42
○ 2020-01-13 18:05:42
○ 2026-03-15 00:02:44
●NSns1.judns.com2026-03-13 → 2026-03-15 · 3 obs
○ 2021-02-12 07:32:18
● 2026-03-13 15:43:08
● 2026-03-15 00:02:44
●NSns1.julydns.com2026-03-13 → 2026-03-15 · 3 obs
○ 2021-02-12 07:32:18
● 2026-03-13 15:43:08
● 2026-03-15 00:02:44
○NSns2.22.cn2015-09-21 → 2016-01-30 · 5 obs
○ 2015-06-28 09:49:18
● 2015-09-21 16:32:28
● 2016-01-30 21:52:56
○ 2017-01-10 21:25:42
○ 2026-03-15 00:02:44
●NSns2.judns.com2026-03-13 → 2026-03-15 · 3 obs
○ 2021-02-12 07:32:18
● 2026-03-13 15:43:08
● 2026-03-15 00:02:44
●NSns2.julydns.com2026-03-13 → 2026-03-15 · 3 obs
○ 2021-02-12 07:32:18
● 2026-03-13 15:43:08
● 2026-03-15 00:02:44
○NSns3.22.cn2015-09-21 → 2016-01-30 · 5 obs
○ 2015-06-28 09:49:18
● 2015-09-21 16:32:28
● 2016-01-30 21:52:56
○ 2017-01-10 21:25:42
○ 2026-03-15 00:02:44
○NSns4.22.cn2015-09-21 → 2016-01-30 · 5 obs
○ 2015-06-28 09:49:18
● 2015-09-21 16:32:28
● 2016-01-30 21:52:56
○ 2017-01-10 21:25:42
○ 2026-03-15 00:02:44
○MXmxdomain.qq.com2015-09-21 → 2016-04-27 · 4 obs
● 2015-09-21 16:32:28
● 2016-04-27 22:38:16
○ 2020-01-13 18:05:42
○ 2026-03-15 00:02:44
●A156.254.66.342026-03-13 → 2026-03-15 · 3 obs
○ 2021-02-12 07:32:18
● 2026-03-13 15:43:08
● 2026-03-15 00:02:44
○A47.88.34.2232020-01-13 → 2021-02-12 · 4 obs
● 2020-01-13 18:05:42
● 2021-02-12 07:32:18
○ 2026-03-13 15:43:08
○ 2026-03-15 00:02:44
○CNAMEexpired.hichina.com2026-03-13 → 2026-03-15 · 2 obs
○ 2026-03-13 15:43:08
○ 2026-03-15 00:02:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
dcor.cnns1.judns.com, ns2.judns.com-

✅ Authoritative Response

Server: 47.97.51.45

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dcor.cn (unsigned zone)

⏱️ Timing

Total: 2565ms | Queries: -

📄 Records

TypeCountSample Data
A1156.254.66.34
NS2ns1.julydns.com, ns2.julydns.com
SOA1ns1.julydns.com master.jmdns.com

Analysis

IP Addresses

dcor.cn resolves to a single IP address: 156.254.66.34.

Name Servers

dcor.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

dcor.cn at least partially shares name servers with other domains, including scjiaonan.com, wrmjsol.cn, fanmaodata.com, ghxinxi.com and 59lc.com.

Host names with a single IP number:

- ns1.judns.com points to 47.97.51.45

- ns2.judns.com points to 162.159.27.251

- ns1.julydns.com points to 47.97.51.45

- ns2.julydns.com points to 162.159.48.223

Host names pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com