cem100.com - robtex.com

cem100.com

DNSSEC⚠️ Not signed
A156.250.254.5🇿🇦 POWERLINE-HK156.250.128.0/17 Digital Core Technology Co., Ltd
NSa12.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
NSb12.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=1777622028

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=1784510842

Same first word

cem100.cn
cem100.com

DNS History

12 records (5 active, 7 former)

2017201820192020202120222023202420252026NSa.share-dns.coma12.share-dns.comb.share-dns.netb12.share-dns.netdns3.hichina.comdns4.hichina.comns3.hostmar.comns4.hostmar.comMXmail.cem100.commx1.cem100.comA156.250.254.5200.58.111.178
●NSa.share-dns.com2026-07-08 → 2026-07-20 · 3 obs
○ 2017-04-20 22:24:18
● 2026-07-08 16:58:28
● 2026-07-20 01:42:48
●NSa12.share-dns.com2026-07-08 → 2026-07-20 · 3 obs
○ 2017-04-20 22:24:18
● 2026-07-08 16:58:28
● 2026-07-20 01:42:48
●NSb.share-dns.net2026-07-08 → 2026-07-20 · 3 obs
○ 2017-04-20 22:24:18
● 2026-07-08 16:58:28
● 2026-07-20 01:42:48
●NSb12.share-dns.net2026-07-08 → 2026-07-20 · 3 obs
○ 2017-04-20 22:24:18
● 2026-07-08 16:58:28
● 2026-07-20 01:42:48
○NSdns3.hichina.com2026-07-08 → 2026-07-20 · 2 obs
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
○NSdns4.hichina.com2026-07-08 → 2026-07-20 · 2 obs
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
○NSns3.hostmar.com2016-07-27 → 2017-04-20 · 4 obs
● 2016-07-27 01:40:12
● 2017-04-20 22:24:18
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
○NSns4.hostmar.com2016-07-27 → 2017-04-20 · 4 obs
● 2016-07-27 01:40:12
● 2017-04-20 22:24:18
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
○MXmail.cem100.com2016-07-27 → 2017-04-20 · 4 obs
● 2016-07-27 01:40:12
● 2017-04-20 22:24:18
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
○MXmx1.cem100.com2016-07-27 → 2017-04-20 · 4 obs
● 2016-07-27 01:40:12
● 2017-04-20 22:24:18
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48
●A156.250.254.52026-07-08 → 2026-07-20 · 3 obs
○ 2017-04-20 22:24:18
● 2026-07-08 16:58:28
● 2026-07-20 01:42:48
○A200.58.111.1782016-07-27 → 2017-04-20 · 4 obs
● 2016-07-27 01:40:12
● 2017-04-20 22:24:18
○ 2026-07-08 16:58:28
○ 2026-07-20 01:42:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...-
cem100.comb12.share-dns.net, a12.share-dns.com1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b12.share-dns.net, a12.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cem100.com (unsigned zone)

⏱️ Timing

Total: 452ms | Queries: -

📄 Records

TypeCountSample Data
A1156.250.254.5
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 (a12.share-dns.com)

Analysis

IP Addresses

cem100.com points to a single IP number: 156.250.254.5.

Name Servers

cem100.com has four authoritative name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

There is at least partial name server overlap between cem100.com and other domains — sansifood.com, bohaishiye04.com, fj-xny.com and two more among them.

These name servers regularly appear alongside a5.share-dns.com, b5.share-dns.net, a9.share-dns.com and 7 other name servers in NS record sets.

a12.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b12.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

These two host names — a12.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.

These two host names — b12.share-dns.net and b.share-dns.net — each point to 172.64.52.239 IP addresses.