cotcn.com - dns.ninja

cotcn.com

DNSSEC⚠️ Not signed
A23.231.123.204🇺🇸 EONIX-NA23.231.122.0/23 Proxy-registered route object
NSa1.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb1.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1781312227

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=1785301252

Same first word

cotcn.com

Similar names

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ctcon.at
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ctcon.services
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noctc.com
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ctcon.vote
tccon.org
ctcon.online

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma1.share-dns.comb.share-dns.netb1.share-dns.netexpire1.gname-dns.comexpire2.gname-dns.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netA23.231.123.204120.55.169.16838.6.22.22872.167.232.78CNAMEexp.gs-cdn.com
●NSa.share-dns.com2026-05-31 → 2026-07-29 · 4 obs
○ 2026-03-23 03:54:20
○ 2026-05-21 02:34:30
● 2026-05-31 23:34:14
● 2026-07-29 05:22:28
●NSa1.share-dns.com2026-05-31 → 2026-07-29 · 3 obs
○ 2026-05-21 02:34:30
● 2026-05-31 23:34:14
● 2026-07-29 05:22:28
●NSb.share-dns.net2026-05-31 → 2026-07-29 · 4 obs
○ 2026-03-23 03:54:20
○ 2026-05-21 02:34:30
● 2026-05-31 23:34:14
● 2026-07-29 05:22:28
●NSb1.share-dns.net2026-05-31 → 2026-07-29 · 3 obs
○ 2026-05-21 02:34:30
● 2026-05-31 23:34:14
● 2026-07-29 05:22:28
○NSexpire1.gname-dns.com2026-03-23 → 2026-04-07 · 5 obs
○ 2017-02-07 13:16:24
● 2026-03-23 03:54:20
● 2026-04-07 22:33:20
○ 2026-05-21 02:34:30
○ 2026-07-29 05:22:28
○NSexpire2.gname-dns.com2026-03-23 → 2026-04-07 · 5 obs
○ 2017-02-07 13:16:24
● 2026-03-23 03:54:20
● 2026-04-07 22:33:20
○ 2026-05-21 02:34:30
○ 2026-07-29 05:22:28
○NSf1g1ns1.dnspod.net2015-06-19 → 2017-02-07 · 4 obs
● 2015-06-19 09:29:36
● 2017-02-07 13:16:24
○ 2026-03-23 03:54:20
○ 2026-07-29 05:22:28
○NSf1g1ns2.dnspod.net2015-06-19 → 2017-02-07 · 4 obs
● 2015-06-19 09:29:36
● 2017-02-07 13:16:24
○ 2026-03-23 03:54:20
○ 2026-07-29 05:22:28
○A120.55.169.1682017-02-07 → 2017-02-07 · 4 obs
○ 2016-04-15 22:15:02
● 2017-02-07 13:16:24
○ 2026-03-23 03:54:20
○ 2026-07-29 05:22:28
●A23.231.123.2042026-06-22 → 2026-07-29 · 3 obs
○ 2026-03-23 03:54:20
● 2026-06-22 09:10:18
● 2026-07-29 05:22:28
○A38.6.22.2282026-03-23 → 2026-07-29 · 2 obs
○ 2026-03-23 03:54:20
○ 2026-07-29 05:22:28
○A72.167.232.782015-06-19 → 2016-04-15 · 4 obs
● 2015-06-19 09:29:36
● 2016-04-15 22:15:02
○ 2017-02-07 13:16:24
○ 2026-07-29 05:22:28
○CNAMEexp.gs-cdn.com2026-03-23 → 2026-04-07 · 4 obs
● 2026-03-23 03:54:20
● 2026-04-07 22:33:20
○ 2026-05-21 02:34:30
○ 2026-07-29 05:22:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
cotcn.comb1.share-dns.net, a1.share-dns.com1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b1.share-dns.net, a1.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotcn.com (unsigned zone)

⏱️ Timing

Total: 264ms | Queries: -

📄 Records

TypeCountSample Data
A123.231.123.204
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a1.share-dns.com)

Analysis

IP Addresses

cotcn.com points to a single IP number: 23.231.123.204.

Name Servers

cotcn.com has four authoritative name servers: a1.share-dns.com, a.share-dns.com, b1.share-dns.net and b.share-dns.net.

At least some of cotcn.com's name servers are shared with other domains, for example jmxyql.com, shunjingroup.com, mswkzs.com and two more.

These name servers tend to co-occur with a5.share-dns.com, b5.share-dns.net, a8.share-dns.com and 7 other name servers in the same DNS delegations.

a1.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b1.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

The host names a1.share-dns.com and a.share-dns.com both resolve to 172.64.53.25 IP addresses.

The host names b1.share-dns.net and b.share-dns.net both resolve to 172.64.52.239 IP addresses.