knowthis.us - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status

knowthis.us

DNSSEC⚠️ Not signed
NSns29.domaincontrol.com
A2603:5:2181::f🇺🇸 GODADDY-DNS2603:5:2180::/44
PTRns29.domaincontrol.com
A97.74.104.15🇺🇸 GODADDY-DNS97.74.104.0/23
PTRns29.domaincontrol.com
NSns30.domaincontrol.com
A2603:5:2281::f🇺🇸 GODADDY-DNS2603:5:2280::/44
PTRns30.domaincontrol.com
A173.201.72.15🇺🇸 GODADDY-DNS173.201.72.0/23
PTRns30.domaincontrol.com
MXmail.knowthis.us
TXTv=spf1 a mx ptr include:secureserver.net ~all
SOAns29.domaincontrol.comdns@jomax.net 2026-04-07 #0

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1786838082
WOT: SUSPICIOUS (3/100)

Same first word

Similar names

DNS History

10 records (3 active, 7 former)

20192020202120222023202420252026NSns29.domaincontrol.comns30.domaincontrol.comcoco.ns.cloudflare.comjeff.ns.cloudflare.comMXmail.knowthis.usA104.24.114.200104.24.115.200208.109.48.2292606:4700:30::6818:72c82606:4700:30::6818:73c8
NScoco.ns.cloudflare.com2018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16
NSjeff.ns.cloudflare.com2018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16
NSns29.domaincontrol.com2026-03-08 → 2026-08-16 · 3 obs
○ 2018-11-21 19:07:56
● 2026-03-08 06:46:26
● 2026-08-16 00:04:16
NSns30.domaincontrol.com2026-03-08 → 2026-08-16 · 3 obs
○ 2018-11-21 19:07:56
● 2026-03-08 06:46:26
● 2026-08-16 00:04:16
MXmail.knowthis.us2026-03-08 → 2026-08-16 · 2 obs
● 2026-03-08 06:46:26
● 2026-08-16 00:04:16
A104.24.114.2002018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16
A104.24.115.2002018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16
A208.109.48.2292026-03-08 → 2026-03-24 · 5 obs
○ 2018-11-21 19:07:56
● 2026-03-08 06:46:26
● 2026-03-24 14:24:54
○ 2026-04-13 06:16:02
○ 2026-08-16 00:04:16
A2606:4700:30::6818:72c82018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16
A2606:4700:30::6818:73c82018-11-21 → 2018-11-21 · 3 obs
● 2018-11-21 19:07:56
○ 2026-03-08 06:46:26
○ 2026-08-16 00:04:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, n.cctld.us, b.cctld.us, k.cctld.us...-
knowthis.usns29.domaincontrol.com, ns30.domaincontrol.com-

✅ Authoritative Response

Server:173.201.72.15

NS records: ns29.domaincontrol.com, ns30.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowthis.us (unsigned zone)

⏱️ Timing

Total: 543ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns29.domaincontrol.com, ns30.domaincontrol.com
MX1mail.knowthis.us (pri: 0)
TXT1v=spf1 a mx ptr include:secureserver.net
SOA1ns29.domaincontrol.com dns.jomax.net

Analysis

Name Servers

knowthis.us has two authoritative name servers — ns29.domaincontrol.com and ns30.domaincontrol.com.

The name server configuration of knowthis.us is shared with other domains, for instance mvz-traunstein.de, wisepath.net, cloudcitys.com and two others.

Both ns29.domaincontrol.com and ns30.domaincontrol.com have two IP addresses each. ns29.domaincontrol.com resolves to 97.74.104.15 and 2603:5:2181::f; ns30.domaincontrol.com resolves to 173.201.72.15 and 2603:5:2281::f.

Mail Servers

knowthis.us uses one mail server — mail.knowthis.us.