knowmark.net - robtex.com

knowmark.net

DNSSEC⚠️ Not signed
A34.209.195.255🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix
PTRec2-34-209-195-255.us-west-2.compute.amazonaws.com
NSns4.csof.net ⭐
A52.20.19.77🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-19-77.compute-1.amazonaws.com
NSns1.csof.net
A18.205.186.231🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix
PTRec2-18-205-186-231.compute-1.amazonaws.com
NSns2.csof.net
A23.21.178.27🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix
PTRec2-23-21-178-27.compute-1.amazonaws.com
NSns3.csof.net
A3.214.185.54🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-214-185-54.compute-1.amazonaws.com
MXmx1.knowmark.net ⭐
A46.4.12.146🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRstatic.146.12.4.46.clients.your-server.de
MXmx2.knowmark.net ⭐
A46.4.10.173🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3
PTRstatic.173.10.4.46.clients.your-server.de
TXTv=spf1 include:_incspfcheck.mailspike.net ?all
SOAns4.csof.nethostmaster@knowmark.net serial=1772494881

net

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=1771291465

Subdomains

mx2.knowmark.net
mx1.knowmark.net

Same first word

knowmark.ca
knowmark.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.csof.netns2.csof.netns3.csof.netns4.csof.netdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXmx1.knowmark.netmx2.knowmark.netp.nsm.ctmail.comA34.209.195.2558.5.1.42
○NSdns1.name-services.com2015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38
○NSdns2.name-services.com2015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38
○NSdns3.name-services.com2015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38
○NSdns4.name-services.com2015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38
○NSdns5.name-services.com2015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38
●NSns1.csof.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
●NSns2.csof.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
●NSns3.csof.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
●NSns4.csof.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
●MXmx1.knowmark.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
●MXmx2.knowmark.net2026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
○MXp.nsm.ctmail.com2015-06-27 → 2016-02-08 · 4 obs
● 2015-06-27 23:32:24
● 2016-02-08 23:07:14
○ 2016-07-11 01:16:28
○ 2026-03-02 23:42:38
●A34.209.195.2552026-03-02 → 2026-03-02 · 3 obs
○ 2016-07-11 01:16:28
● 2026-03-02 21:22:38
● 2026-03-02 23:42:38
○A8.5.1.422015-06-27 → 2016-07-11 · 4 obs
● 2015-06-27 23:32:24
● 2016-07-11 01:16:28
○ 2026-03-02 21:22:38
○ 2026-03-02 23:42:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knowmark.netns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net4 records

✅ Authoritative Response

Server: 3.214.185.54

NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowmark.net (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

TypeCountSample Data
A134.209.195.255
NS4ns3.csof.net, ns1.csof.net...
MX2mx2.knowmark.net (pri: 10), mx1.knowmark.net (pri: 10)
TXT1v=spf1 include:_incspfcheck.mailspike.ne
SOA1ns4.csof.net hostmaster.knowmark.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.csof.net, ns2.csof.net, ns4.csof.net...)

Analysis

Hierarchy

knowmark.net is a parent of mx2.knowmark.net and mx1.knowmark.net.

IP Addresses

knowmark.net resolves to one IP number: 34.209.195.255.

other host names including 75fb0dbc55194aa5542a118b1680e94a.com, ping-icmp.wifiprotector.co, sorterwea.info, pilot-api-vds.vdscloud.net and m19.onsfmul.cc share IP numbers with knowmark.net.

Name Servers

knowmark.net is delegated to four name servers: ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.

knowmark.net at least partially shares name servers with other domains, for instance au01.bid, 541cbef84e7e8266c1595f8f83432d29.xyz, kcyvxytog.biz, faster-get.net and ygtza0505db5416c.top.

these name servers are often used together with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.

Host names with one IP number: ns1.csof.net points to 18.205.186.231; ns2.csof.net points to 23.21.178.27; ns3.csof.net points to 3.214.185.54; ns4.csof.net points to 52.20.19.77.

Mail Servers

Two mail servers handle knowmark.net: mx1.knowmark.net and mx2.knowmark.net.

Host names with one IP number:

mx1.knowmark.net points to 46.4.12.146

mx2.knowmark.net points to 46.4.10.173