justknow.com - robtex.com

justknow.com

DNSSEC⚠️ Not signed
A54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix
PTRns1.namepros-dns.com
NSns2.afternic.com ⭐ ⚠️ Not in zone NS records
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
NS2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is ⚠️ Not in zone NS records
A3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRns2.namepros-dns.com
NSns1.afternic.com ⚠️ Not in zone NS records
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns1.namepros-dns.com ⚠️ Not in parent delegation
A54.237.57.21🇺🇸 Amazon54.237.0.0/16 EC2 IAD prefix
PTRns1.namepros-dns.com
NSns2.namepros-dns.is ⚠️ Not in parent delegation
A3.233.30.191🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRns2.namepros-dns.com
NSverification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn ⚠️ Not in zone NS records
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
TXTv=spf1 -all
SOAns2.afternic.comdns@jomax.net serial=1

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=1778636952

Same first word

justknow.net
justknow.com
justknow.com.au
justknow.me
justknow.cz

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NS2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.isns1.afternic.comns1.namepros-dns.comns2.afternic.comns2.namepros-dns.isverification-vpgpzsqa3cv4haccypio4o.ns101.verify.hnns01.domaincontrol.comns02.domaincontrol.comMXmail.justknow.comA54.237.57.2113.248.169.4876.223.54.14697.107.141.237
●NS2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is2026-04-03 → 2026-05-13 · 3 obs
○ 2020-01-11 17:28:02
● 2026-04-03 11:48:32
● 2026-05-13 02:08:48
○NSns01.domaincontrol.com2015-07-23 → 2020-01-11 · 4 obs
● 2015-07-23 13:40:42
● 2020-01-11 17:28:02
○ 2026-04-03 11:48:32
○ 2026-05-13 02:08:48
○NSns02.domaincontrol.com2015-07-23 → 2020-01-11 · 4 obs
● 2015-07-23 13:40:42
● 2020-01-11 17:28:02
○ 2026-04-03 11:48:32
○ 2026-05-13 02:08:48
●NSns1.afternic.com2026-04-03 → 2026-05-13 · 3 obs
○ 2020-01-11 17:28:02
● 2026-04-03 11:48:32
● 2026-05-13 02:08:48
●NSns1.namepros-dns.com2026-04-08 → 2026-05-13 · 3 obs
○ 2026-04-03 11:48:32
● 2026-04-08 19:46:44
● 2026-05-13 02:08:48
●NSns2.afternic.com2026-04-03 → 2026-05-13 · 3 obs
○ 2020-01-11 17:28:02
● 2026-04-03 11:48:32
● 2026-05-13 02:08:48
●NSns2.namepros-dns.is2026-05-13 → 2026-05-13 · 3 obs
○ 2026-04-08 19:46:44
● 2026-05-13 02:08:46
● 2026-05-13 02:08:48
●NSverification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn2026-04-03 → 2026-05-13 · 3 obs
○ 2020-01-11 17:28:02
● 2026-04-03 11:48:32
● 2026-05-13 02:08:48
○MXmail.justknow.com2015-07-23 → 2020-01-11 · 4 obs
● 2015-07-23 13:40:42
● 2020-01-11 17:28:02
○ 2026-04-03 11:48:32
○ 2026-05-13 02:08:48
○A13.248.169.482026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-03 11:48:32
● 2026-04-08 19:46:44
○ 2026-05-13 02:08:46
○ 2026-05-13 02:08:48
●A54.237.57.212026-04-03 → 2026-05-13 · 5 obs
○ 2020-01-11 17:28:02
● 2026-04-03 11:48:32
○ 2026-04-08 19:46:44
● 2026-05-13 02:08:46
● 2026-05-13 02:08:48
○A76.223.54.1462026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-03 11:48:32
● 2026-04-08 19:46:44
○ 2026-05-13 02:08:46
○ 2026-05-13 02:08:48
○A97.107.141.2372015-07-23 → 2020-01-11 · 4 obs
● 2015-07-23 13:40:42
● 2020-01-11 17:28:02
○ 2026-04-03 11:48:32
○ 2026-05-13 02:08:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...-
justknow.comns1.afternic.com, ns2.afternic.com, verification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn, 2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is4 records

✅ Authoritative Response

Server:3.233.30.191

NS records: ns1.afternic.com, ns2.afternic.com, verification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn, 2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justknow.com (unsigned zone)

⏱️ Timing

Total: 3542ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
TXT1v=spf1 -all
SOA1ns1.namepros-dns.com dns.namepros.com

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

justknow.com points to IP number: 54.237.57.21.

Other host names such as securiity.com, www.daytradingcoach.com, citima.com, visitxinjiang.com and sweden.cc share IPs with justknow.com.

Name Servers

justknow.com is delegated to six name servers: ns1.afternic.com, ns2.afternic.com, ns1.namepros-dns.com, ns2.namepros-dns.is, verification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn and 2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is.

justknow.com at least partially shares name servers with other domains, for instance jazu.co.uk, 365g.com, jxxbjz.com, dachboard.com and topsailenergy.com.

these name servers are commonly used with ns2.abdulbasit.ns.namepros-dns.is, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, ns2.brokerage.ns.namepros-dns.is, zss5p6352r53spzb3phzhs8pdh6583j8.ns.namepros-dns.is, ns2.zss5p6352r53spzb3phzhs8p.ns.namepros-dns.is, 2sz29szd9mbrd6bjm829f6zb6b39zrhd.ns.namepros-dns.is and verification-m3erh32ujyoastvophjvuz.ns101.verify.hn.

Host names with two IP numbers:

The host name ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69.

The host name ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69.

The host name verification-vpgpzsqa3cv4haccypio4o.ns101.verify.hn points to: 13.248.169.48 and 76.223.54.146.

Host names with one IP number:

The host name ns1.namepros-dns.com points to: 54.237.57.21.

The host name ns2.namepros-dns.is points to: 3.233.30.191.

The host name 2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is points to: 3.233.30.191.

Host names that point to 3.233.30.191 : ns2.namepros-dns.is and 2rdsmh2br22hsppdbrhmzf99zsdp2fpj.ns.namepros-dns.is.