knowledgestor.com - robtex.com

knowledgestor.com

DNSSEC⚠️ Not signed
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
NSns1-shared-sin-01.vamhost.net ⭐ ⚠️ Not in parent delegation
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
NSns1lh2.pub-dns.org ⚠️ Not in zone NS records
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
NSns2-shared-sin-01.vamhost.net ⚠️ Not in parent delegation
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
NSns2lh2.pub-dns.org ⚠️ Not in zone NS records
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
MXmail.knowledgestor.com
A23.111.15.78🇸🇬 LEASEWEB-APAC-SIN-1123.111.14.0/23 LEASEWEB SINGAPORE PTE. LTD. 1 Tai Seng Avenue, Tai Seng Exchange, Tower A 04-13 536464, Singapore
PTRshared-sin-01.vamhost.net
TXTv=spf1 a mx ip4:23.111.15.78 ip6:2402:a7c0:3003:113:1c00:86ff:fe00:af8 ~all
SOAns1-shared-sin-01.vamhost.nethostmaster@knowledgestor.com 2026-06-30 #1

com

Previously MX for

Same first word

DNS History

36 records (6 active, 30 former)

20162017201820192020202120222023202420252026NSns1-shared-sin-01.vamhost.netns1lh2.pub-dns.orgns2-shared-sin-01.vamhost.netns2lh2.pub-dns.orgdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comduke.ns.cloudflare.comns1.md-pb-iqsv.comns11.cloudns.netns12.cloudns.netns13.cloudns.netns14.cloudns.netns2.md-pb-iqsv.compns11.cloudns.netpns12.cloudns.netpns13.cloudns.netpns14.cloudns.netpns15.cloudns.netpns16.cloudns.netpns17.cloudns.netpns18.cloudns.netpns19.cloudns.netpns20.cloudns.netrafe.ns.cloudflare.comMXmail.knowledgestor.comknowledgestor.comA23.111.15.78104.227.59.146104.31.68.169104.31.69.169209.58.191.11854.153.49.1068.5.1.33
NSdns1.name-services.com2016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
NSdns2.name-services.com2016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
NSdns3.name-services.com2016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
NSdns4.name-services.com2016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
NSdns5.name-services.com2016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
NSduke.ns.cloudflare.com2015-10-26 → 2016-04-03 · 5 obs
○ 2015-05-22 00:41:06
● 2015-10-26 17:47:08
● 2016-04-03 16:11:28
○ 2016-05-28 05:04:42
○ 2026-07-25 20:37:02
NSns1-shared-sin-01.vamhost.net2026-07-15 → 2026-07-25 · 3 obs
○ 2026-03-07 00:48:14
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
NSns1.md-pb-iqsv.com2017-01-20 → 2017-01-20 · 4 obs
○ 2016-05-28 05:04:42
● 2017-01-20 13:15:18
○ 2018-08-01 04:25:46
○ 2026-07-25 20:37:02
NSns11.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSns12.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSns13.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSns14.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSns1lh2.pub-dns.org2026-03-07 → 2026-07-25 · 3 obs
○ 2018-08-01 04:25:46
● 2026-03-07 00:48:14
● 2026-07-25 20:37:02
NSns2-shared-sin-01.vamhost.net2026-07-15 → 2026-07-25 · 3 obs
○ 2026-03-07 00:48:14
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
NSns2.md-pb-iqsv.com2017-01-20 → 2017-01-20 · 4 obs
○ 2016-05-28 05:04:42
● 2017-01-20 13:15:18
○ 2018-08-01 04:25:46
○ 2026-07-25 20:37:02
NSns2lh2.pub-dns.org2026-03-07 → 2026-07-25 · 3 obs
○ 2018-08-01 04:25:46
● 2026-03-07 00:48:14
● 2026-07-25 20:37:02
NSpns11.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns12.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns13.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns14.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns15.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns16.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns17.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns18.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns19.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSpns20.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
NSrafe.ns.cloudflare.com2015-10-26 → 2016-04-03 · 5 obs
○ 2015-05-22 00:41:06
● 2015-10-26 17:47:08
● 2016-04-03 16:11:28
○ 2016-05-28 05:04:42
○ 2026-07-25 20:37:02
MXknowledgestor.com2017-01-20 → 2017-01-20 · 4 obs
○ 2016-05-28 05:04:42
● 2017-01-20 13:15:18
○ 2018-08-01 04:25:46
○ 2026-07-25 20:37:02
MXmail.knowledgestor.com2015-05-22 → 2026-07-25 · 6 obs
● 2015-05-22 00:41:06
● 2016-04-03 16:11:28
○ 2016-05-28 05:04:42
○ 2018-08-01 04:25:46
● 2026-03-07 00:48:14
● 2026-07-25 20:37:02
A104.227.59.1462017-01-20 → 2017-01-20 · 4 obs
○ 2016-05-28 05:04:42
● 2017-01-20 13:15:18
○ 2018-08-01 04:25:46
○ 2026-07-25 20:37:02
A104.31.68.1692015-10-26 → 2016-04-03 · 5 obs
○ 2015-05-22 00:41:06
● 2015-10-26 17:47:08
● 2016-04-03 16:11:28
○ 2016-05-28 05:04:42
○ 2026-07-25 20:37:02
A104.31.69.1692015-10-26 → 2016-04-03 · 5 obs
○ 2015-05-22 00:41:06
● 2015-10-26 17:47:08
● 2016-04-03 16:11:28
○ 2016-05-28 05:04:42
○ 2026-07-25 20:37:02
A209.58.191.1182026-03-07 → 2026-05-31 · 5 obs
○ 2018-08-01 04:25:46
● 2026-03-07 00:48:14
● 2026-05-31 06:48:52
○ 2026-07-15 17:43:56
○ 2026-07-25 20:37:02
A23.111.15.782026-07-15 → 2026-07-25 · 3 obs
○ 2026-05-31 06:48:52
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
A54.153.49.1062015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 00:41:06
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
A8.5.1.332016-05-28 → 2016-05-28 · 4 obs
○ 2016-04-03 16:11:28
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...-
knowledgestor.comns1lh2.pub-dns.org, ns2lh2.pub-dns.org-

✅ Authoritative Response

Server:23.111.15.78

NS records: ns1lh2.pub-dns.org, ns2lh2.pub-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgestor.com (unsigned zone)

⏱️ Timing

Total: 1342ms | Queries: -

📄 Records

TypeCountSample Data
A123.111.15.78
NS2ns1-shared-sin-01.vamhost.net, ns2-shared-sin-01.vamhost.net
MX1mail.knowledgestor.com (pri: 10)
TXT1v=spf1 a mx ip4:23.111.15.78 ip6:2402:a7
SOA1ns1-shared-sin-01.vamhost.net hostmaster

Analysis

IP Addresses

knowledgestor.com has exactly one IP address — 23.111.15.78.

ns2lh2.pub-dns.org, mail.builditsmart.net, builditsmart.net plus two other host names have IP numbers in common with knowledgestor.com.

Name Servers

Four name servers handle the delegation for knowledgestor.com: ns1-shared-sin-01.vamhost.net, ns2-shared-sin-01.vamhost.net, ns1lh2.pub-dns.org and ns2lh2.pub-dns.org.

At least some of knowledgestor.com's name servers are shared with other domains, for example lifeinsurancematters.org, phpstats.net, steptos.com and two more.

ns1-shared-sin-01.vamhost.net, ns2-shared-sin-01.vamhost.net, ns1lh2.pub-dns.org and ns2lh2.pub-dns.org each have the same IP address: 23.111.15.78.

The following host names resolve to 23.111.15.78: ns1-shared-sin-01.vamhost.net, ns2-shared-sin-01.vamhost.net, ns1lh2.pub-dns.org and ns2lh2.pub-dns.org.

Mail Servers

knowledgestor.com uses one mail server — mail.knowledgestor.com.

mail.knowledgestor.com directs to just one IP number, 23.111.15.78.