cotcs.com - dns.ninja

cotcs.com

DNSSEC⚠️ Not signed
A156.245.45.201🇭🇰 MYCLOUD-AS-AP156.245.32.0/19 CloudFly Net Inc
NSa6.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
NSb6.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=1775358164

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=1785877899

Same first word

cotcs.org
cotcs.com

Similar names

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cstco.ca
ostcc.org
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stocc.org
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tsocc.com
scotc.org
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stcoc.cc
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ccots.cn
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ccsto.org
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otcsc.com.cn
tscco.com
costc.com
stocc.com

DNS History

14 records (5 active, 9 former)

200920112013201520172019202120232025NSa.share-dns.coma6.share-dns.comb.share-dns.netb6.share-dns.netns10.twservers.netns5.twservers.netns6.twservers.netns9.twservers.netMXmail.cotcs.comsmartermail01.twservers.netA156.245.45.201154.206.194.7745.76.149.460.249.109.30
●NSa.share-dns.com2026-02-26 → 2026-08-04 · 3 obs
○ 2020-02-15 04:22:30
● 2026-02-26 00:03:34
● 2026-08-04 21:37:42
●NSa6.share-dns.com2026-02-26 → 2026-08-04 · 3 obs
○ 2020-02-15 04:22:30
● 2026-02-26 00:03:34
● 2026-08-04 21:37:42
●NSb.share-dns.net2026-02-26 → 2026-08-04 · 3 obs
○ 2020-02-15 04:22:30
● 2026-02-26 00:03:34
● 2026-08-04 21:37:42
●NSb6.share-dns.net2026-02-26 → 2026-08-04 · 3 obs
○ 2020-02-15 04:22:30
● 2026-02-26 00:03:34
● 2026-08-04 21:37:42
○NSns10.twservers.net2020-02-15 → 2020-02-15 · 4 obs
○ 2017-04-03 04:10:46
● 2020-02-15 04:22:30
○ 2026-02-26 00:03:34
○ 2026-08-04 21:37:42
○NSns5.twservers.net2015-08-24 → 2017-04-03 · 5 obs
○ 2008-11-17 07:34:58
● 2015-08-24 10:06:16
● 2017-04-03 04:10:46
○ 2020-02-15 04:22:30
○ 2026-08-04 21:37:42
○NSns6.twservers.net2015-08-24 → 2017-04-03 · 5 obs
○ 2008-11-17 07:34:58
● 2015-08-24 10:06:16
● 2017-04-03 04:10:46
○ 2020-02-15 04:22:30
○ 2026-08-04 21:37:42
○NSns9.twservers.net2020-02-15 → 2020-02-15 · 4 obs
○ 2017-04-03 04:10:46
● 2020-02-15 04:22:30
○ 2026-02-26 00:03:34
○ 2026-08-04 21:37:42
○MXmail.cotcs.com2015-08-24 → 2017-04-03 · 5 obs
○ 2008-11-17 07:34:58
● 2015-08-24 10:06:16
● 2017-04-03 04:10:46
○ 2020-02-15 04:22:30
○ 2026-08-04 21:37:42
○MXsmartermail01.twservers.net2020-02-15 → 2020-02-15 · 4 obs
○ 2017-04-03 04:10:46
● 2020-02-15 04:22:30
○ 2026-02-26 00:03:34
○ 2026-08-04 21:37:42
○A154.206.194.772026-02-26 → 2026-03-26 · 5 obs
○ 2020-02-15 04:22:30
● 2026-02-26 00:03:34
● 2026-03-26 20:19:58
○ 2026-07-12 10:39:22
○ 2026-08-04 21:37:42
●A156.245.45.2012026-07-12 → 2026-08-04 · 3 obs
○ 2026-03-26 20:19:58
● 2026-07-12 10:39:22
● 2026-08-04 21:37:42
○A45.76.149.42020-02-15 → 2020-02-15 · 4 obs
○ 2017-04-03 04:10:46
● 2020-02-15 04:22:30
○ 2026-02-26 00:03:34
○ 2026-08-04 21:37:42
○A60.249.109.302015-08-24 → 2017-04-03 · 5 obs
○ 2008-11-17 07:34:58
● 2015-08-24 10:06:16
● 2017-04-03 04:10:46
○ 2020-02-15 04:22:30
○ 2026-08-04 21:37:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...-
cotcs.comb6.share-dns.net, a6.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b6.share-dns.net, a6.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotcs.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

TypeCountSample Data
A1156.245.45.201
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 (a6.share-dns.com)

Analysis

IP Addresses

cotcs.com directs to one IP number, which is 156.245.45.201.

Host names like oossw.com are further examples that share IP numbers with cotcs.com.

Name Servers

The domain cotcs.com is delegated to these four name servers: a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net.

cotcs.com has at least partial name server overlap with other domains, such as tikiyimhome.com, fzjbkj.com, tutor-master.com and two others.

a7.share-dns.com, b7.share-dns.net and a8.share-dns.com — plus 7 other name servers — are commonly paired with these name servers.

Each of a6.share-dns.com, a.share-dns.com, b6.share-dns.net and b.share-dns.net has a single IP address — a6.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b6.share-dns.net and b.share-dns.net direct to 172.64.52.239.

a6.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.

b6.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.