thinkbook.org - robtex.com

thinkbook.org

DNSSEC⚠️ Not signed
A154.215.4.129🇭🇰 ASLINE-AS-AP154.215.4.0/23 Arosscloud Inc
NSa10.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
NSb10.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=1762005802

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736

Same first word

thinkbook.com.au
thinkbook.info
thinkbook.com
thinkbook.pro
thinkbook.org
thinkbook.net
thinkbook.de

Similar names

bookthink.info
bookthink.com

DNS History

19 records (5 active, 14 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma10.share-dns.comb.share-dns.netb10.share-dns.netns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comns1.ipage.comns2.ipage.comMXalt1.gmr-smtp-in.l.google.comalt2.gmr-smtp-in.l.google.comalt3.gmr-smtp-in.l.google.comalt4.gmr-smtp-in.l.google.comgmr-smtp-in.l.google.commx.thinkbook.orgA154.215.4.12966.96.147.10369.64.147.242
●NSa.share-dns.com2026-03-02 → 2026-03-02 · 3 obs
○ 2018-09-10 05:33:36
● 2026-03-02 07:04:08
● 2026-03-02 08:50:18
●NSa10.share-dns.com2026-03-02 → 2026-03-02 · 3 obs
○ 2018-09-10 05:33:36
● 2026-03-02 07:04:08
● 2026-03-02 08:50:18
●NSb.share-dns.net2026-03-02 → 2026-03-02 · 3 obs
○ 2018-09-10 05:33:36
● 2026-03-02 07:04:08
● 2026-03-02 08:50:18
●NSb10.share-dns.net2026-03-02 → 2026-03-02 · 3 obs
○ 2018-09-10 05:33:36
● 2026-03-02 07:04:08
● 2026-03-02 08:50:18
○NSns-cloud-d1.googledomains.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○NSns-cloud-d2.googledomains.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○NSns-cloud-d3.googledomains.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○NSns-cloud-d4.googledomains.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○NSns1.ipage.com2018-09-10 → 2018-09-10 · 4 obs
○ 2017-02-07 11:50:18
● 2018-09-10 05:33:36
○ 2026-03-02 07:04:08
○ 2026-03-02 08:50:18
○NSns2.ipage.com2018-09-10 → 2018-09-10 · 4 obs
○ 2017-02-07 11:50:18
● 2018-09-10 05:33:36
○ 2026-03-02 07:04:08
○ 2026-03-02 08:50:18
○MXalt1.gmr-smtp-in.l.google.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○MXalt2.gmr-smtp-in.l.google.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○MXalt3.gmr-smtp-in.l.google.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○MXalt4.gmr-smtp-in.l.google.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○MXgmr-smtp-in.l.google.com2017-02-07 → 2017-02-07 · 3 obs
● 2017-02-07 11:50:18
○ 2018-09-10 05:33:36
○ 2026-03-02 08:50:18
○MXmx.thinkbook.org2018-09-10 → 2018-09-10 · 4 obs
○ 2017-02-07 11:50:18
● 2018-09-10 05:33:36
○ 2026-03-02 07:04:08
○ 2026-03-02 08:50:18
●A154.215.4.1292026-03-02 → 2026-03-02 · 3 obs
○ 2018-09-10 05:33:36
● 2026-03-02 07:04:08
● 2026-03-02 08:50:18
○A66.96.147.1032018-09-10 → 2018-09-10 · 4 obs
○ 2016-04-19 03:24:54
● 2018-09-10 05:33:36
○ 2026-03-02 07:04:08
○ 2026-03-02 08:50:18
○A69.64.147.2422015-07-07 → 2015-11-13 · 4 obs
● 2015-07-07 13:29:04
● 2015-11-13 04:45:26
○ 2016-04-19 03:24:54
○ 2026-03-02 08:50:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
thinkbook.orgb10.share-dns.net, a10.share-dns.com-

✅ 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 thinkbook.org (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

TypeCountSample Data
A1154.215.4.129
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

Analysis

IP Addresses

thinkbook.org resolves to one IP number: 154.215.4.129.

Name Servers

thinkbook.org delegates to four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

thinkbook.org at least partially shares name servers with other domains, including yftzpx.com, ccmcp.com, gaecn.com, 027jjw.com and septalab.com.

These name servers are commonly used with a12.share-dns.com, b12.share-dns.net, a5.share-dns.com, b5.share-dns.net, a1.share-dns.com, b1.share-dns.net, a4.share-dns.com, b4.share-dns.net, a8.share-dns.com and b8.share-dns.net.

Host names with one IP number:

a10.share-dns.com and a.share-dns.com point to 172.64.53.25.

b10.share-dns.net and b.share-dns.net point to 172.64.52.239.

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

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