knowledgestor.com - robtex.com
knowledgestor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| NS | ns1-shared-sin-01.vamhost.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| NS | ns1lh2.pub-dns.org ⚠️ Not in zone NS records | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| NS | ns2-shared-sin-01.vamhost.net ⚠️ Not in parent delegation | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| NS | ns2lh2.pub-dns.org ⚠️ Not in zone NS records | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| MX | mail.knowledgestor.com ⭐ | ||||||
| A | 23.111.15.78🇸🇬 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 | ||||||
| PTR | shared-sin-01.vamhost.net | ||||||
| TXT | v=spf1 a mx ip4:23.111.15.78 ip6:2402:a7c0:3003:113:1c00:86ff:fe00:af8 ~all | ||||||
| SOA | ns1-shared-sin-01.vamhost.nethostmaster@knowledgestor.com 2026-06-30 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785011342 | ||||||
Previously MX for
knowledgestor.com |
Same first word
knowledgestor.com |
DNS History
36 records (6 active, 30 former)
○NSdns1.name-services.com2016-05-28 → 2016-05-28 · 4 obs
● 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
● 2016-05-28 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
● 2016-05-28 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
● 2016-05-28 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
● 2016-05-28 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
● 2015-10-26 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
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
○NSns1.md-pb-iqsv.com2017-01-20 → 2017-01-20 · 4 obs
● 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
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSns12.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSns13.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSns14.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
●NSns1lh2.pub-dns.org2026-03-07 → 2026-07-25 · 3 obs
● 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
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
○NSns2.md-pb-iqsv.com2017-01-20 → 2017-01-20 · 4 obs
● 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
● 2026-03-07 00:48:14
● 2026-07-25 20:37:02
○NSpns11.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns12.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns13.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns14.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns15.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns16.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns17.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns18.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns19.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSpns20.cloudns.net2015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○NSrafe.ns.cloudflare.com2015-10-26 → 2016-04-03 · 5 obs
● 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
● 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
● 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
● 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
● 2015-10-26 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
● 2015-10-26 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
● 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
● 2026-07-15 17:43:56
● 2026-07-25 20:37:02
○A54.153.49.1062015-05-22 → 2015-05-22 · 3 obs
○ 2015-10-26 17:47:08
○ 2026-07-25 20:37:02
○A8.5.1.332016-05-28 → 2016-05-28 · 4 obs
● 2016-05-28 05:04:42
○ 2017-01-20 13:15:18
○ 2026-07-25 20:37:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net... | - |
| knowledgestor.com | ns1lh2.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.111.15.78 |
| NS | 2 | ns1-shared-sin-01.vamhost.net, ns2-shared-sin-01.vamhost.net |
| MX | 1 | mail.knowledgestor.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:23.111.15.78 ip6:2402:a7 |
| SOA | 1 | ns1-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.