ctbioscience.com - robtex.com

ctbioscience.com

DNSSEC⚠️ Not signed
A156.240.227.47🇭🇰 TCLOUDNET
NSa10.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare
PTRip-172-64-53-25.defastlink.net
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare
PTRip-172-64-53-25.defastlink.net
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare
PTRip-172-64-52-239.defastlink.net
NSb10.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1756275129

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=1771291435

Same first word

ctbioscience.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma10.share-dns.comb.share-dns.netb10.share-dns.netdns15.hichina.comdns16.hichina.comMXmxn.mxhichina.commxw.mxhichina.comA156.240.227.47223.7.224.153
●NSa.share-dns.com2026-02-21 → 2026-02-21 · 2 obs
○ 2017-01-11 04:18:18
● 2026-02-21 23:32:38
●NSa10.share-dns.com2026-02-21 → 2026-02-21 · 2 obs
○ 2017-01-11 04:18:18
● 2026-02-21 23:32:38
●NSb.share-dns.net2026-02-21 → 2026-02-21 · 2 obs
○ 2017-01-11 04:18:18
● 2026-02-21 23:32:38
●NSb10.share-dns.net2026-02-21 → 2026-02-21 · 2 obs
○ 2017-01-11 04:18:18
● 2026-02-21 23:32:38
○NSdns15.hichina.com2015-06-10 → 2017-01-11 · 3 obs
● 2015-06-10 10:44:24
● 2017-01-11 04:18:18
○ 2026-02-21 23:32:38
○NSdns16.hichina.com2015-06-10 → 2017-01-11 · 3 obs
● 2015-06-10 10:44:24
● 2017-01-11 04:18:18
○ 2026-02-21 23:32:38
○MXmxn.mxhichina.com2015-06-10 → 2017-01-11 · 3 obs
● 2015-06-10 10:44:24
● 2017-01-11 04:18:18
○ 2026-02-21 23:32:38
○MXmxw.mxhichina.com2015-06-10 → 2017-01-11 · 3 obs
● 2015-06-10 10:44:24
● 2017-01-11 04:18:18
○ 2026-02-21 23:32:38
●A156.240.227.472026-02-21 → 2026-02-21 · 2 obs
○ 2018-06-25 11:29:44
● 2026-02-21 23:32:38
○A223.7.224.1532015-06-10 → 2018-06-25 · 3 obs
● 2015-06-10 10:44:24
● 2018-06-25 11:29:44
○ 2026-02-21 23:32:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ctbioscience.comb10.share-dns.net, a10.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.52.239

NS records: b10.share-dns.net, a10.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbioscience.com (unsigned zone)

⏱️ Timing

Total: 475ms | Queries: -

📄 Records

TypeCountSample Data
A1156.240.227.47
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 (a10.share-dns.com)

AI analysis

ctbioscience.com resolves to one IP number: 156.240.227.47.

ctbioscience.com is delegated to four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

ctbioscience.com at least partially shares name servers with other domains, for instance yz-me.com, bol23.com, webcodeinnovation.com, 755nnn.com and qingdaolvyou114.com.

These name servers are commonly used with the following name servers: a1.share-dns.com, b1.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com, b6.share-dns.net, a3.share-dns.com, b3.share-dns.net, a12.share-dns.com and b12.share-dns.net.

Host names with a single IP:

a10.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b10.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Host names pointing to 172.64.53.25: a10.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239: b10.share-dns.net and b.share-dns.net.