knowsyn.com - robtex.com

knowsyn.com

DNSSEC⚠️ Not signed
A44.237.79.223🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
PTRmail.knowledgesynthesis.com
NSa.ns.knowsyn.com ⭐ ⚠️ Not in parent delegation
A18.236.54.105🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix
PTRec2-18-236-54-105.us-west-2.compute.amazonaws.com
NSb.ns.knowsyn.com ⚠️ Not in parent delegation
A18.213.86.136🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-213-86-136.compute-1.amazonaws.com
NSforward.000cheapdomains.com ⚠️ Not in zone NS records
A18.236.54.105🇺🇸 Amazon18.236.0.0/15 EC2 PDX prefix
PTRec2-18-236-54-105.us-west-2.compute.amazonaws.com
NSns2.000cheapdomains.com ⚠️ Not in zone NS records
A18.213.86.136🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-213-86-136.compute-1.amazonaws.com
MXmail.knowledgesynthesis.com ⭐
A44.237.79.223🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
PTRmail.knowledgesynthesis.com
TXTv=spf1 a -all
SOAa.ns.knowsyn.comhostmaster@knowsyn.com serial=1778672704

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=1778671866

Same first word

knowsyn.com

Similar names

synknow.com

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSa.ns.knowsyn.comb.ns.knowsyn.comforward.000cheapdomains.comns2.000cheapdomains.comMXmail.knowledgesynthesis.commail.knowsyn.comA44.237.79.223173.239.75.16696.82.78.53
●NSa.ns.knowsyn.com2015-06-12 → 2026-05-13 · 2 obs
● 2015-06-12 04:40:18
● 2026-05-13 11:46:16
●NSb.ns.knowsyn.com2015-06-12 → 2026-05-13 · 2 obs
● 2015-06-12 04:40:18
● 2026-05-13 11:46:16
●NSforward.000cheapdomains.com2026-04-03 → 2026-05-13 · 3 obs
○ 2015-06-12 04:40:18
● 2026-04-03 04:58:12
● 2026-05-13 11:46:16
●NSns2.000cheapdomains.com2026-04-03 → 2026-05-13 · 3 obs
○ 2015-06-12 04:40:18
● 2026-04-03 04:58:12
● 2026-05-13 11:46:16
●MXmail.knowledgesynthesis.com2026-04-03 → 2026-05-13 · 3 obs
○ 2019-02-04 11:27:58
● 2026-04-03 04:58:12
● 2026-05-13 11:46:16
○MXmail.knowsyn.com2015-06-12 → 2019-02-04 · 4 obs
● 2015-06-12 04:40:18
● 2019-02-04 11:27:58
○ 2026-04-03 04:58:12
○ 2026-05-13 11:46:16
○A173.239.75.1662015-06-12 → 2015-11-09 · 4 obs
● 2015-06-12 04:40:18
● 2015-11-09 04:49:32
○ 2016-02-03 10:22:56
○ 2026-05-13 11:46:16
●A44.237.79.2232026-04-03 → 2026-05-13 · 3 obs
○ 2019-02-04 11:27:58
● 2026-04-03 04:58:12
● 2026-05-13 11:46:16
○A96.82.78.532016-02-03 → 2019-02-04 · 5 obs
○ 2015-11-09 04:49:32
● 2016-02-03 10:22:56
● 2019-02-04 11:27:58
○ 2026-04-03 04:58:12
○ 2026-05-13 11:46:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...-
knowsyn.comns2.000cheapdomains.com, forward.000cheapdomains.com2 records

✅ Authoritative Response

Server:18.236.54.105

NS records: ns2.000cheapdomains.com, forward.000cheapdomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowsyn.com (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

TypeCountSample Data
A144.237.79.223
NS2a.ns.knowsyn.com, b.ns.knowsyn.com
MX1mail.knowledgesynthesis.com (pri: 10)
TXT1v=spf1 a -all
SOA1a.ns.knowsyn.com hostmaster.knowsyn.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.000cheapdomains.com, forward.000cheapdomains.com)

Analysis

IP Addresses

knowsyn.com points to a single IP number: 44.237.79.223.

other host names for instance mail.moolan.org, mail.yamasci.com, tbdr.org, mail.knowledgesynthesis.com and yamasci.com share IP numbers with knowsyn.com.

Name Servers

knowsyn.com is delegated to four name servers: forward.000cheapdomains.com, ns2.000cheapdomains.com, a.ns.knowsyn.com and b.ns.knowsyn.com.

knowsyn.com at least partially shares name servers with other domains, for instance bigcharliesfireworks.com, pettinger.org, birdyboredombusters.com, louisianabait.com and wearemiracles.com.

Host names with a single IP:

forward.000cheapdomains.com points to: 18.236.54.105

ns2.000cheapdomains.com points to: 18.213.86.136

a.ns.knowsyn.com points to: 18.236.54.105

b.ns.knowsyn.com points to: 18.213.86.136

Host names pointing to 18.236.54.105: forward.000cheapdomains.com, a.ns.knowsyn.com

Host names pointing to 18.213.86.136: ns2.000cheapdomains.com, b.ns.knowsyn.com

Mail Servers

knowsyn.com is handled by a single mail server, mail.knowledgesynthesis.com.

knowsyn.com uses the same mail server setup as other domains such as tbdr.org and idatamed.com.

knowsyn.com shares some mail servers with other domains at least partially, for example knowledgesynthesis.com.

these mail servers are commonly used alongside mx2.knowledgesynthesis.com.

Host name mail.knowledgesynthesis.com points to IP address 44.237.79.223.