doctorthinking.com - robtex.com

doctorthinking.com

DNSSEC⚠️ Not signed
A156.242.192.157🇺🇸 POWERLINE-HK156.242.192.0/19 Proxy-registered route object
NSa9.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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-52-239.defastlink.net
NSb9.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
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1763147200

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

DNS History

10 records (5 active, 5 former)

2017201820192020202120222023202420252026NSa.share-dns.coma9.share-dns.comb.share-dns.netb9.share-dns.netns6627.hostgator.comns6628.hostgator.comMXmail.doctorthinking.comA156.242.192.157192.185.0.218192.185.225.88
●NSa.share-dns.com2026-03-17 → 2026-03-17 · 2 obs
○ 2017-08-31 04:56:52
● 2026-03-17 22:52:44
●NSa9.share-dns.com2026-03-17 → 2026-03-17 · 2 obs
○ 2017-08-31 04:56:52
● 2026-03-17 22:52:44
●NSb.share-dns.net2026-03-17 → 2026-03-17 · 2 obs
○ 2017-08-31 04:56:52
● 2026-03-17 22:52:44
●NSb9.share-dns.net2026-03-17 → 2026-03-17 · 2 obs
○ 2017-08-31 04:56:52
● 2026-03-17 22:52:44
○NSns6627.hostgator.com2016-12-01 → 2017-08-31 · 3 obs
● 2016-12-01 21:50:38
● 2017-08-31 04:56:52
○ 2026-03-17 22:52:44
○NSns6628.hostgator.com2016-12-01 → 2017-08-31 · 3 obs
● 2016-12-01 21:50:38
● 2017-08-31 04:56:52
○ 2026-03-17 22:52:44
○MXmail.doctorthinking.com2016-12-01 → 2017-08-31 · 3 obs
● 2016-12-01 21:50:38
● 2017-08-31 04:56:52
○ 2026-03-17 22:52:44
●A156.242.192.1572026-03-17 → 2026-03-17 · 2 obs
○ 2017-08-31 04:56:52
● 2026-03-17 22:52:44
○A192.185.0.2182016-04-17 → 2016-04-17 · 3 obs
● 2016-04-17 23:57:26
○ 2016-12-01 21:50:38
○ 2026-03-17 22:52:44
○A192.185.225.882016-12-01 → 2017-08-31 · 4 obs
○ 2016-04-17 23:57:26
● 2016-12-01 21:50:38
● 2017-08-31 04:56:52
○ 2026-03-17 22:52:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
doctorthinking.comb9.share-dns.net, a9.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.52.239

NS records: b9.share-dns.net, a9.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctorthinking.com (unsigned zone)

⏱️ Timing

Total: 101ms | Queries: -

📄 Records

TypeCountSample Data
A1156.242.192.157
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 (a9.share-dns.com)

Analysis

IP Addresses

doctorthinking.com points to IP number 156.242.192.157.

Name Servers

doctorthinking.com is delegated to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.

doctorthinking.com shares name servers with other domains at least partially, for example soncoc.com, njn48.com, darongjie.com, zhongkeguote.com and cgpaconverter.com.

these name servers are often used with the following: a11.share-dns.com, b11.share-dns.net, a8.share-dns.com, b8.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a12.share-dns.com, b12.share-dns.net, a4.share-dns.com and b4.share-dns.net.

Host names with one IP number:

a9.share-dns.com points to: 172.64.53.25.

a.share-dns.com points to: 172.64.53.25.

b9.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: a9.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239: b9.share-dns.net and b.share-dns.net.