openstudy.com - dns.ninja

openstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:c49fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:3c7fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.60.127Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.196.159πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSadi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a38πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A2803:f800:50::6ca2:c038πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadi.ns.cloudflare.com
A2a06:98c1:50::ac40:2038πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRadi.ns.cloudflare.com
A108.162.192.56πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A172.64.32.56πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
A173.245.58.56πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadi.ns.cloudflare.com
NSchad.ns.cloudflare.com
A2606:4700:58::adf5:3b52πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A2803:f800:50::6ca2:c152πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchad.ns.cloudflare.com
A2a06:98c1:50::ac40:2152πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRchad.ns.cloudflare.com
A108.162.193.82πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A172.64.33.82πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A173.245.59.82πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/2 βœ“ hints match
IPv4 hints104.21.60.127, 172.67.196.159
IPv6 hints2606:4700:3035::ac43:c49f, 2606:4700:3036::6815:3c7f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com
SOAadi.ns.cloudflare.comdns@cloudflare.com serial=2406729044

com

rank #662935 globally
rank #286156 in the tld
WOT: SAFE (90/100)

Same first word

Similar names

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSadi.ns.cloudflare.comchad.ns.cloudflare.comns-1425.awsdns-50.orgns-1722.awsdns-23.co.ukns-8.awsdns-01.comns-826.awsdns-39.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comA104.21.60.127172.67.196.1592606:4700:3035::ac43:c49f2606:4700:3036::6815:3c7f2606:4700:3031::ac43:c49f2606:4700:3033::6815:3c7f52.0.184.118
●NSadi.ns.cloudflare.com2026-03-10 β†’ 2026-07-10 Β· 3 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-07-10 22:30:26
●NSchad.ns.cloudflare.com2026-03-10 β†’ 2026-07-10 Β· 3 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-07-10 22:30:26
β—‹NSns-1425.awsdns-50.org2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹NSns-1722.awsdns-23.co.uk2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹NSns-8.awsdns-01.com2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹NSns-826.awsdns-39.net2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹MXalt1.aspmx.l.google.com2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹MXalt2.aspmx.l.google.com2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
β—‹MXaspmx.l.google.com2015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26
●A104.21.60.1272026-03-10 β†’ 2026-07-10 Β· 3 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-07-10 22:30:26
●A172.67.196.1592026-03-10 β†’ 2026-07-10 Β· 3 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-07-10 22:30:26
β—‹A2606:4700:3031::ac43:c49f2026-03-10 β†’ 2026-06-05 Β· 5 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-06-05 08:59:34
β—‹ 2026-06-23 18:57:36
β—‹ 2026-07-10 22:30:26
β—‹A2606:4700:3033::6815:3c7f2026-03-10 β†’ 2026-06-05 Β· 5 obs
β—‹ 2017-02-12 11:44:54
● 2026-03-10 10:04:56
● 2026-06-05 08:59:34
β—‹ 2026-06-23 18:57:36
β—‹ 2026-07-10 22:30:26
●A2606:4700:3035::ac43:c49f2026-06-23 β†’ 2026-07-10 Β· 3 obs
β—‹ 2026-06-05 08:59:34
● 2026-06-23 18:57:36
● 2026-07-10 22:30:26
●A2606:4700:3036::6815:3c7f2026-06-23 β†’ 2026-07-10 Β· 3 obs
β—‹ 2026-06-05 08:59:34
● 2026-06-23 18:57:36
● 2026-07-10 22:30:26
β—‹A52.0.184.1182015-08-05 β†’ 2017-02-12 Β· 4 obs
● 2015-08-05 10:32:44
● 2017-02-12 11:44:54
β—‹ 2026-03-10 10:04:56
β—‹ 2026-07-10 22:30:26

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
openstudy.comadi.ns.cloudflare.com, chad.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.193.82

NS records: adi.ns.cloudflare.com, chad.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstudy.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.60.127, 172.67.196.159
AAAA22606:4700:3035::ac43:c49f, 2606:4700:3036::6815:3c7f
NS2adi.ns.cloudflare.com, chad.ns.cloudflare.com
MX1. (pri: 0)
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1adi.ns.cloudflare.com dns.cloudflare.com

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (adi.ns.cloudflare.com, adi.ns.cloudflare.com, adi.ns.cloudflare.com...)

Analysis

IP Addresses

openstudy.com resolves to four IP addresses: 104.21.60.127, 172.67.196.159, 2606:4700:3035::ac43:c49f and 2606:4700:3036::6815:3c7f.

Two other host names, along with liveinterdependenceco.info, lativ88group.click and tav119.xyz, also share IP numbers with openstudy.com.

Name Servers

openstudy.com is served by two delegated name servers, adi.ns.cloudflare.com and chad.ns.cloudflare.com.

openstudy.com shares its NS records with other domains, for example hostbring.com, brainly.fr, brainly.lat and two others.

openstudy.com has at least partial name server overlap with other domains, such as vidhaya.com, 1zaocan.com, 7daycure.com and two others.

It is common to see these name servers used together with name servers carl.ns.cloudflare.com and damien.ns.cloudflare.com.

DNS names with 6 IP addresses:

adi.ns.cloudflare.com carries IP addresses 108.162.192.56, 172.64.32.56 and 173.245.58.56, with 3 other addresses beyond those.

chad.ns.cloudflare.com carries IP addresses 108.162.193.82, 172.64.33.82 and 173.245.59.82, with 3 other addresses beyond those.