www.knowledgeworldbd.com - robtex.com
www.knowledgeworldbd.com
| CNAME | ghs.google.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2607:f8b0:4007:812::2013🇺🇸 Google2607:f8b0:4007::/48 | ||||||
| PTR | dclaxb-ay-in-x13.1e100.net | ||||||
| PTR | lax31s07-in-x13.1e100.net | ||||||
| A | 142.251.215.179🇺🇸 Google142.251.215.0/24 | ||||||
knowledgeworldbd.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.239.32.21🇺🇸 Google216.239.32.0/24 | ||||||
| A | 216.239.34.21🇺🇸 Google216.239.34.0/24 | ||||||
| A | 216.239.36.21🇺🇸 Google216.239.36.0/24 | ||||||
| A | 216.239.38.21🇺🇸 Google216.239.38.0/24 | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| NS | dns2.registrar-servers.com | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1758105912 | ||||||
Same first word
Similar names
DNS History
4 records (1 active, 3 former)
○A167.114.156.2142016-05-01 → 2016-05-01 · 4 obs
○ 2016-01-24 21:22:48
● 2016-05-01 18:24:02
○ 2017-01-13 09:08:28
○ 2026-06-01 11:33:14
● 2016-05-01 18:24:02
○ 2017-01-13 09:08:28
○ 2026-06-01 11:33:14
○A5.39.99.492016-01-24 → 2016-01-24 · 4 obs
○ 2015-11-06 16:15:20
● 2016-01-24 21:22:48
○ 2016-05-01 18:24:02
○ 2026-06-01 11:33:14
● 2016-01-24 21:22:48
○ 2016-05-01 18:24:02
○ 2026-06-01 11:33:14
○A5.39.99.512015-06-30 → 2015-11-06 · 4 obs
● 2015-06-30 11:47:14
● 2015-11-06 16:15:20
○ 2016-01-24 21:22:48
○ 2026-06-01 11:33:14
● 2015-11-06 16:15:20
○ 2016-01-24 21:22:48
○ 2026-06-01 11:33:14
●CNAMEghs.google.com2018-08-19 → 2026-06-01 · 2 obs
● 2018-08-19 12:55:54
● 2026-06-01 11:33:14
● 2026-06-01 11:33:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| knowledgeworldbd.com | dns1.registrar-servers.com, dns2.registrar-servers.com | 4 records |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowledgeworldbd.com (unsigned zone)
⏱️ Timing
Total: 76ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | ghs.google.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)
Analysis
IP Addresses
www.knowledgeworldbd.com points to two IP numbers: 142.251.215.179 and 2607:f8b0:4007:812::2013.
Two other host names, along with pub-1623294450343125.afd.ghs.google.com, dclaxb-ay-in-x13.1e100.net and dclaxb-ay-in-f19.1e100.net, also share IP numbers with www.knowledgeworldbd.com.