systematic.us - dns.ninja

systematic.us

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:92ed🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1cad🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.173Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.237🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrajeev.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3be0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A2803:f800:50::6ca2:c1e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrajeev.ns.cloudflare.com
A2a06:98c1:50::ac40:21e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrajeev.ns.cloudflare.com
A108.162.193.224🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A172.64.33.224🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
A173.245.59.224🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrajeev.ns.cloudflare.com
NSselah.ns.cloudflare.com
A2606:4700:50::a29f:2615🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRselah.ns.cloudflare.com
A2803:f800:50::6ca2:c215🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRselah.ns.cloudflare.com
A2a06:98c1:50::ac40:2215🇺🇸 Cloudflare2a06:98c1:50::/45
PTRselah.ns.cloudflare.com
A108.162.194.21🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRselah.ns.cloudflare.com
A162.159.38.21Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRselah.ns.cloudflare.com
A172.64.34.21🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRselah.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.173, 172.67.146.237
IPv6 hints2606:4700:3033::ac43:92ed, 2606:4700:3034::6815:1cad
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=73, name=cloudflare-ech.com
SOArajeev.ns.cloudflare.comdns@cloudflare.com serial=2406850428

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=1782695015

Subdomains

mail.systematic.us

Same first word

systematic.solutions
systematic.nyc
systematic.lt
systematic.cz
systematic.com.br
systematic.one
systematic.tv
systematic.co.kr
systematic.io
systematic.world
systematic.net
systematic.cn
systematic.sg
systematic.de
systematic.ru
systematic.co
systematic.gr
systematic.uk
systematic.dk
systematic.org
systematic.ro
systematic.si
systematic.lv
systematic.support
systematic.ch
systematic.no
systematic.com.au
systematic.nl
systematic.be
systematic.cfd
systematic.com.hk
systematic.fi
systematic.co.th
systematic.se
systematic.cl
systematic.in
systematic.me
systematic.co.uk
systematic.com.ua
systematic.systems
systematic.com
systematic.pl
systematic.us
systematic.net.pl
systematic.edu.pe
systematic.es
systematic.eu
systematic.fr
systematic.bc.ca
systematic.pt
systematic.lu

Similar names

icatsystem.com
actisystem.net
testmyisac.com
mycatssite.com
itacsystem.com
mysticteas.com
actisystem.com

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSrajeev.ns.cloudflare.comselah.ns.cloudflare.comdns1.cscdns.netdns2.cscdns.netns1.ascio.netns2.ascio.netns3.ascio.netns4.ascio.netMXmail.systematic.usA104.21.28.173172.67.146.2372606:4700:3033::ac43:92ed2606:4700:3034::6815:1cad165.160.13.20165.160.15.20185.26.230.130188.114.96.0188.114.97.02606:4700:3035::ac43:92ed2a06:98c1:3120::2a06:98c1:3121::
○NSdns1.cscdns.net2020-02-06 → 2020-02-06 · 4 obs
○ 2016-07-27 13:22:38
● 2020-02-06 22:59:54
○ 2026-03-03 21:05:18
○ 2026-06-29 01:16:30
○NSdns2.cscdns.net2020-02-06 → 2020-02-06 · 4 obs
○ 2016-07-27 13:22:38
● 2020-02-06 22:59:54
○ 2026-03-03 21:05:18
○ 2026-06-29 01:16:30
○NSns1.ascio.net2015-08-14 → 2016-07-27 · 4 obs
● 2015-08-14 17:22:28
● 2016-07-27 13:22:38
○ 2020-02-06 22:59:54
○ 2026-06-29 01:16:30
○NSns2.ascio.net2015-08-14 → 2016-07-27 · 4 obs
● 2015-08-14 17:22:28
● 2016-07-27 13:22:38
○ 2020-02-06 22:59:54
○ 2026-06-29 01:16:30
○NSns3.ascio.net2015-08-14 → 2016-07-27 · 4 obs
● 2015-08-14 17:22:28
● 2016-07-27 13:22:38
○ 2020-02-06 22:59:54
○ 2026-06-29 01:16:30
○NSns4.ascio.net2015-08-14 → 2016-07-27 · 4 obs
● 2015-08-14 17:22:28
● 2016-07-27 13:22:38
○ 2020-02-06 22:59:54
○ 2026-06-29 01:16:30
●NSrajeev.ns.cloudflare.com2026-03-03 → 2026-06-29 · 3 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
● 2026-06-29 01:16:30
●NSselah.ns.cloudflare.com2026-03-03 → 2026-06-29 · 3 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
● 2026-06-29 01:16:30
○MXmail.systematic.us2015-08-14 → 2020-02-06 · 4 obs
● 2015-08-14 17:22:28
● 2020-02-06 22:59:54
○ 2026-03-03 21:05:18
○ 2026-06-29 01:16:30
●A104.21.28.1732026-03-03 → 2026-06-29 · 8 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
○ 2026-03-06 15:31:38
○ 2026-05-06 04:55:36
● 2026-05-15 16:49:58
○ 2026-06-23 04:56:32
● 2026-06-26 16:00:24
● 2026-06-29 01:16:30
○A165.160.13.202020-02-06 → 2020-02-06 · 4 obs
○ 2016-07-27 13:22:38
● 2020-02-06 22:59:54
○ 2026-03-03 21:05:18
○ 2026-06-29 01:16:30
○A165.160.15.202020-02-06 → 2020-02-06 · 4 obs
○ 2016-07-27 13:22:38
● 2020-02-06 22:59:54
○ 2026-03-03 21:05:18
○ 2026-06-29 01:16:30
●A172.67.146.2372026-03-03 → 2026-06-29 · 8 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
○ 2026-03-06 15:31:38
○ 2026-05-06 04:55:36
● 2026-05-15 16:49:58
○ 2026-06-23 04:56:32
● 2026-06-26 16:00:24
● 2026-06-29 01:16:30
○A185.26.230.1302015-08-14 → 2016-07-27 · 4 obs
● 2015-08-14 17:22:28
● 2016-07-27 13:22:38
○ 2020-02-06 22:59:54
○ 2026-06-29 01:16:30
○A188.114.96.02026-03-06 → 2026-06-23 · 7 obs
○ 2026-03-03 21:05:18
● 2026-03-06 15:31:38
● 2026-05-06 04:55:36
○ 2026-05-15 16:49:58
● 2026-06-23 04:56:32
○ 2026-06-26 16:00:24
○ 2026-06-29 01:16:30
○A188.114.97.02026-03-06 → 2026-06-23 · 7 obs
○ 2026-03-03 21:05:18
● 2026-03-06 15:31:38
● 2026-05-06 04:55:36
○ 2026-05-15 16:49:58
● 2026-06-23 04:56:32
○ 2026-06-26 16:00:24
○ 2026-06-29 01:16:30
●A2606:4700:3033::ac43:92ed2026-06-26 → 2026-06-29 · 3 obs
○ 2026-06-23 04:56:32
● 2026-06-26 16:00:24
● 2026-06-29 01:16:30
●A2606:4700:3034::6815:1cad2026-03-03 → 2026-06-29 · 8 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
○ 2026-03-06 15:31:38
○ 2026-05-06 04:55:36
● 2026-05-15 16:49:58
○ 2026-06-23 04:56:32
● 2026-06-26 16:00:24
● 2026-06-29 01:16:30
○A2606:4700:3035::ac43:92ed2026-03-03 → 2026-05-15 · 7 obs
○ 2020-02-06 22:59:54
● 2026-03-03 21:05:18
○ 2026-03-06 15:31:38
○ 2026-05-06 04:55:36
● 2026-05-15 16:49:58
○ 2026-06-23 04:56:32
○ 2026-06-29 01:16:30
○A2a06:98c1:3120::2026-03-06 → 2026-06-23 · 7 obs
○ 2026-03-03 21:05:18
● 2026-03-06 15:31:38
● 2026-05-06 04:55:36
○ 2026-05-15 16:49:58
● 2026-06-23 04:56:32
○ 2026-06-26 16:00:24
○ 2026-06-29 01:16:30
○A2a06:98c1:3121::2026-03-06 → 2026-06-23 · 7 obs
○ 2026-03-03 21:05:18
● 2026-03-06 15:31:38
● 2026-05-06 04:55:36
○ 2026-05-15 16:49:58
● 2026-06-23 04:56:32
○ 2026-06-26 16:00:24
○ 2026-06-29 01:16:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
systematic.usselah.ns.cloudflare.com, rajeev.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.21

NS records: selah.ns.cloudflare.com, rajeev.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systematic.us (unsigned zone)

⏱️ Timing

Total: 1825ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.28.173, 172.67.146.237
AAAA22606:4700:3034::6815:1cad, 2606:4700:3033::ac43:92ed
NS2rajeev.ns.cloudflare.com, selah.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1rajeev.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

systematic.us is a parent domain of mail.systematic.us.

IP Addresses

systematic.us has four IP addresses: 104.21.28.173, 172.67.146.237, 2606:4700:3033::ac43:92ed and 2606:4700:3034::6815:1cad.

Among the host names that share IP numbers with systematic.us are justay.net, ustoolmart.com, pro14.weteruspeha.ru and two others.

Name Servers

DNS delegation for systematic.us points to two name servers: rajeev.ns.cloudflare.com and selah.ns.cloudflare.com.

systematic.us has the same name server delegation as a number of other domains, such as folkebibliotek.dk, alipaayy.com, agency.in and two more.

systematic.us shares at least some of its name servers with other domains, including legendsoflatgalia.com, flow3eg.org, dciphr.biz and two others.

These name servers are frequently seen alongside the name servers sreeni.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

rajeev.ns.cloudflare.com has IP addresses 108.162.193.224, 172.64.33.224 and 173.245.59.224, plus 3 other.

selah.ns.cloudflare.com has IP addresses 108.162.194.21, 162.159.38.21 and 172.64.34.21, plus 3 other.