learningtech.us - dns.ninja

learningtech.us

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b78eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::6815:4871πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.72.113Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.183.142πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSarnold.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b45πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A2803:f800:50::6ca2:c145πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarnold.ns.cloudflare.com
A2a06:98c1:50::ac40:2145πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRarnold.ns.cloudflare.com
A108.162.193.69πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A172.64.33.69πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
A173.245.59.69πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarnold.ns.cloudflare.com
NSnicole.ns.cloudflare.com
A2606:4700:50::adf5:3ad3πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A2803:f800:50::6ca2:c0d3πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicole.ns.cloudflare.com
A2a06:98c1:50::ac40:20d3πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRnicole.ns.cloudflare.com
A108.162.192.211πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A172.64.32.211πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
A173.245.58.211πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicole.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.72.113, 172.67.183.142
IPv6 hints2606:4700:3031::ac43:b78e, 2606:4700:3032::6815:4871
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com
SOAarnold.ns.cloudflare.comdns@cloudflare.com serial=2407912328

us

DNSSECπŸ”’ 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=1782917878

Subdomains

Same first word

Similar names

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSarnold.ns.cloudflare.comnicole.ns.cloudflare.comns27.domaincontrol.comns28.domaincontrol.comMXaspmx.l.google.combarracuda.learningtech.orgA104.21.72.113172.67.183.1422606:4700:3031::ac43:b78e2606:4700:3032::6815:48712606:4700:3031::6815:48712606:4700:3033::ac43:b78e67.205.24.91
●NSarnold.ns.cloudflare.com2026-02-16 β†’ 2026-07-01 Β· 3 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-07-01 15:08:30
●NSnicole.ns.cloudflare.com2026-02-16 β†’ 2026-07-01 Β· 3 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-07-01 15:08:30
β—‹NSns27.domaincontrol.com2015-06-26 β†’ 2019-02-01 Β· 4 obs
● 2015-06-26 01:27:36
● 2019-02-01 23:49:22
β—‹ 2026-02-16 09:24:18
β—‹ 2026-07-01 15:08:30
β—‹NSns28.domaincontrol.com2015-06-26 β†’ 2019-02-01 Β· 4 obs
● 2015-06-26 01:27:36
● 2019-02-01 23:49:22
β—‹ 2026-02-16 09:24:18
β—‹ 2026-07-01 15:08:30
β—‹MXaspmx.l.google.com2015-06-26 β†’ 2026-02-16 Β· 4 obs
● 2015-06-26 01:27:36
● 2026-02-16 09:24:18
β—‹ 2026-03-15 13:45:06
β—‹ 2026-07-01 15:08:30
β—‹MXbarracuda.learningtech.org2015-06-26 β†’ 2026-02-16 Β· 4 obs
● 2015-06-26 01:27:36
● 2026-02-16 09:24:18
β—‹ 2026-03-15 13:45:06
β—‹ 2026-07-01 15:08:30
●A104.21.72.1132026-02-16 β†’ 2026-07-01 Β· 3 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-07-01 15:08:30
●A172.67.183.1422026-02-16 β†’ 2026-07-01 Β· 3 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-07-01 15:08:30
β—‹A2606:4700:3031::6815:48712026-02-16 β†’ 2026-06-09 Β· 5 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-06-09 19:37:10
β—‹ 2026-06-29 13:02:32
β—‹ 2026-07-01 15:08:30
●A2606:4700:3031::ac43:b78e2026-06-29 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-06-09 19:37:10
● 2026-06-29 13:02:32
● 2026-07-01 15:08:30
●A2606:4700:3032::6815:48712026-06-29 β†’ 2026-07-01 Β· 3 obs
β—‹ 2026-06-09 19:37:10
● 2026-06-29 13:02:32
● 2026-07-01 15:08:30
β—‹A2606:4700:3033::ac43:b78e2026-02-16 β†’ 2026-06-09 Β· 5 obs
β—‹ 2019-02-01 23:49:22
● 2026-02-16 09:24:18
● 2026-06-09 19:37:10
β—‹ 2026-06-29 13:02:32
β—‹ 2026-07-01 15:08:30
β—‹A67.205.24.912015-06-26 β†’ 2019-02-01 Β· 4 obs
● 2015-06-26 01:27:36
● 2019-02-01 23:49:22
β—‹ 2026-02-16 09:24:18
β—‹ 2026-07-01 15:08:30

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
usb.cctld.us, w.cctld.us, k.cctld.us, y.cctld.us...-
learningtech.usnicole.ns.cloudflare.com, arnold.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.193.69

NS records: nicole.ns.cloudflare.com, arnold.ns.cloudflare.com

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1167ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.72.113, 172.67.183.142
AAAA22606:4700:3031::ac43:b78e, 2606:4700:3032::6815:4871
NS2arnold.ns.cloudflare.com, nicole.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1arnold.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

The parent domain of barracuda.learningtech.us and mx.learningtech.us is learningtech.us.

IP Addresses

learningtech.us points to the four IP addresses 104.21.72.113, 172.67.183.142, 2606:4700:3031::ac43:b78e and 2606:4700:3032::6815:4871.

Among the host names that share IP numbers with learningtech.us are 7ic.com, wasd.ms, customcottonworks.com and two others.

Name Servers

learningtech.us is served by two delegated name servers, arnold.ns.cloudflare.com and nicole.ns.cloudflare.com.

learningtech.us has the same name server delegation as a number of other domains, such as learningtech.net, web360.com.au, nyongesasande.com and two more.

There is at least partial name server overlap between learningtech.us and other domains β€” manekispin.at, info-leroymerlin.pl, tabstogo.com and two more among them.

These name servers frequently co-occur with the name servers jamie.ns.cloudflare.com and peyton.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

arnold.ns.cloudflare.com carries IP addresses 108.162.193.69, 172.64.33.69 and 173.245.59.69, with 3 other addresses beyond those.

nicole.ns.cloudflare.com carries IP addresses 108.162.192.211, 172.64.32.211 and 173.245.58.211, with 3 other addresses beyond those.