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bct-ad.com

DNSSEC⚠️ Not signed
A156.254.145.10🇭🇰 HKIDC-AS-AP
NSa10.share-dns.com ⭐ ⚠️
A172.64.53.25🇺🇸 Cloudflare
PTRip-172-64-53-25.defastlink.net
NSa.share-dns.com⚠️
A172.64.53.25🇺🇸 Cloudflare
PTRip-172-64-53-25.defastlink.net
NSb.share-dns.net⚠️
A172.64.52.239🇺🇸 Cloudflare
PTRip-172-64-52-239.defastlink.net
NSb10.share-dns.net⚠️
A172.64.52.239🇺🇸 Cloudflare
PTRip-172-64-52-239.defastlink.net
MXmxbiz1.qq.com(999)
MXmxbiz2.qq.com(999)
SOAa.share-dns.commaster@share-dns.com serial=1770626829

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=1770918430

Similar names

atc-bd.com
tac-bd.com
at-cbd.com

DNS History

10 records (7 active, 3 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma10.share-dns.comb.share-dns.netb10.share-dns.netns1.dns.com.cnns2.dns.com.cnMXmxbiz1.qq.commxbiz2.qq.comA156.254.145.10211.155.228.39
●NSa.share-dns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2016-09-07 03:59:28
● 2026-02-15 15:57:02
● 2026-02-15 15:57:04
●NSa10.share-dns.com2026-02-15 → 2026-02-15 · 3 obs
○ 2016-09-07 03:59:28
● 2026-02-15 15:57:02
● 2026-02-15 15:57:04
●NSb.share-dns.net2026-02-15 → 2026-02-15 · 3 obs
○ 2016-09-07 03:59:28
● 2026-02-15 15:57:02
● 2026-02-15 15:57:04
●NSb10.share-dns.net2026-02-15 → 2026-02-15 · 3 obs
○ 2016-09-07 03:59:28
● 2026-02-15 15:57:02
● 2026-02-15 15:57:04
○NSns1.dns.com.cn2015-06-02 → 2016-09-07 · 4 obs
● 2015-06-02 16:15:16
● 2016-09-07 03:59:28
○ 2026-02-15 15:57:02
○ 2026-02-15 15:57:04
○NSns2.dns.com.cn2015-06-02 → 2016-09-07 · 5 obs
● 2015-06-02 16:15:16
○ 2015-09-20 06:12:02
● 2016-09-07 03:59:28
○ 2026-02-15 15:57:02
○ 2026-02-15 15:57:04
●MXmxbiz1.qq.com2015-06-02 → 2026-02-15 · 2 obs
● 2015-06-02 16:15:16
● 2026-02-15 15:57:04
●MXmxbiz2.qq.com2015-06-02 → 2026-02-15 · 2 obs
● 2015-06-02 16:15:16
● 2026-02-15 15:57:04
●A156.254.145.102026-02-15 → 2026-02-15 · 3 obs
○ 2016-09-07 03:59:28
● 2026-02-15 15:57:02
● 2026-02-15 15:57:04
○A211.155.228.392015-06-02 → 2016-09-07 · 4 obs
● 2015-06-02 16:15:16
● 2016-09-07 03:59:28
○ 2026-02-15 15:57:02
○ 2026-02-15 15:57:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bct-ad.comb10.share-dns.net, a10.share-dns.com-

✅ Authoritative Response

Server: 172.64.53.25

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bct-ad.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

TypeCountSample Data
A1156.254.145.10
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

AI analysis

bct-ad.com maps to IP address 156.254.145.10.

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

bct-ad.com at least partially shares name servers with other domains such as 5558599.com, qinqingai.com, chtip.org, ifann.com and sh-dg.com.

These name servers are often used together with a4.share-dns.com, b4.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com, b6.share-dns.net, a7.share-dns.com, b7.share-dns.net, a1.share-dns.com and b1.share-dns.net.

Hostnames with a single IP

a10.share-dns.com resolves to 172.64.53.25

a.share-dns.com resolves to 172.64.53.25

b10.share-dns.net resolves to 172.64.52.239

b.share-dns.net resolves to 172.64.52.239

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

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

Two mail servers handle bct-ad.com: mxbiz1.qq.com and mxbiz2.qq.com.

bct-ad.com shares the same mail server setup as other domains, including faith-m.com, safsci.org, pstechnic.com, 85sc.com and cecnetconf.org.

bct-ad.com shares mail servers with other domains, at least partially, for instance xiongfeng.me, zkzmlaser.com, woodfield-china.com and sdivc.edu.cn.