cybersecurity.study - dns.ninja

cybersecurity.study

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5531πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3033::ac43:ca76πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.85.49Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.202.118πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSdave.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A2803:f800:50::6ca2:c16dπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdave.ns.cloudflare.com
A2a06:98c1:50::ac40:216dπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdave.ns.cloudflare.com
A108.162.193.109πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A172.64.33.109πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
A173.245.59.109πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdave.ns.cloudflare.com
NSpam.ns.cloudflare.com
A2606:4700:50::adf5:3a8aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A2803:f800:50::6ca2:c08aπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpam.ns.cloudflare.com
A2a06:98c1:50::ac40:208aπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRpam.ns.cloudflare.com
A108.162.192.138πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A172.64.32.138πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A173.245.58.138πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
MXvade-in1.mail.dreamhost.com ⭐
A64.90.62.163πŸ‡ΊπŸ‡Έ AS2634764.90.32.0/19 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES
PTRfltr-in1.mail.dreamhost.com
MXvade-in2.mail.dreamhost.com(10)
A64.90.62.164πŸ‡ΊπŸ‡Έ AS2634764.90.32.0/19 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES
PTRfltr-in2.mail.dreamhost.com
TXTv=spf1 include:spf.mailjet.com ?all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.85.49, 172.67.202.118
IPv6 hints2606:4700:3031::6815:5531, 2606:4700:3033::ac43:ca76
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com
SOAdave.ns.cloudflare.comdns@cloudflare.com serial=2405880432

study

DNSSECπŸ”’ Signed (DS record present)
NSa.nic.study ⭐
NSb.nic.study
NSc.nic.study
NSx.nic.study
NSy.nic.study
NSz.nic.study
SOAa.nic.studyadmin@tldns.godaddy serial=1782338649

Subdomains

Same first word

Similar names

DNS History

13 records (8 active, 5 former)

20192020202120222023202420252026NSdave.ns.cloudflare.compam.ns.cloudflare.comMXvade-in1.mail.dreamhost.comvade-in2.mail.dreamhost.comA104.21.85.49172.67.202.1182606:4700:3031::6815:55312606:4700:3033::ac43:ca76104.27.174.94104.27.175.942606:4700:30::681b:ae5e2606:4700:30::681b:af5e2606:4700:3033::6815:5531
●NSdave.ns.cloudflare.com2018-12-14 β†’ 2026-06-24 Β· 2 obs
● 2018-12-14 11:32:30
● 2026-06-24 23:13:38
●NSpam.ns.cloudflare.com2018-12-14 β†’ 2026-06-24 Β· 2 obs
● 2018-12-14 11:32:30
● 2026-06-24 23:13:38
●MXvade-in1.mail.dreamhost.com2018-12-14 β†’ 2026-06-24 Β· 2 obs
● 2018-12-14 11:32:30
● 2026-06-24 23:13:38
●MXvade-in2.mail.dreamhost.com2018-12-14 β†’ 2026-06-24 Β· 2 obs
● 2018-12-14 11:32:30
● 2026-06-24 23:13:38
●A104.21.85.492026-03-02 β†’ 2026-06-24 Β· 3 obs
β—‹ 2018-12-14 11:32:30
● 2026-03-02 08:48:20
● 2026-06-24 23:13:38
β—‹A104.27.174.942018-12-14 β†’ 2018-12-14 Β· 3 obs
● 2018-12-14 11:32:30
β—‹ 2026-03-02 08:48:20
β—‹ 2026-06-24 23:13:38
β—‹A104.27.175.942018-12-14 β†’ 2018-12-14 Β· 3 obs
● 2018-12-14 11:32:30
β—‹ 2026-03-02 08:48:20
β—‹ 2026-06-24 23:13:38
●A172.67.202.1182026-03-02 β†’ 2026-06-24 Β· 3 obs
β—‹ 2018-12-14 11:32:30
● 2026-03-02 08:48:20
● 2026-06-24 23:13:38
β—‹A2606:4700:30::681b:ae5e2018-12-14 β†’ 2018-12-14 Β· 3 obs
● 2018-12-14 11:32:30
β—‹ 2026-03-02 08:48:20
β—‹ 2026-06-24 23:13:38
β—‹A2606:4700:30::681b:af5e2018-12-14 β†’ 2018-12-14 Β· 3 obs
● 2018-12-14 11:32:30
β—‹ 2026-03-02 08:48:20
β—‹ 2026-06-24 23:13:38
●A2606:4700:3031::6815:55312026-06-24 β†’ 2026-06-24 Β· 3 obs
β—‹ 2026-06-17 11:34:14
● 2026-06-24 23:13:34
● 2026-06-24 23:13:38
β—‹A2606:4700:3033::6815:55312026-03-02 β†’ 2026-06-17 Β· 5 obs
β—‹ 2018-12-14 11:32:30
● 2026-03-02 08:48:20
● 2026-06-17 11:34:14
β—‹ 2026-06-24 23:13:34
β—‹ 2026-06-24 23:13:38
●A2606:4700:3033::ac43:ca762026-03-02 β†’ 2026-06-24 Β· 3 obs
β—‹ 2018-12-14 11:32:30
● 2026-03-02 08:48:20
● 2026-06-24 23:13:38

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
studya.nic.study, b.nic.study, c.nic.study, x.nic.study...12 records
cybersecurity.studydave.ns.cloudflare.com, pam.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.192.138

NS records: dave.ns.cloudflare.com, pam.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cybersecurity.study (unsigned zone)

⏱️ Timing

Total: 644ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.85.49, 172.67.202.118
AAAA22606:4700:3033::ac43:ca76, 2606:4700:3031::6815:5531
NS2dave.ns.cloudflare.com, pam.ns.cloudflare.com
MX2vade-in1.mail.dreamhost.com (pri: 0), vade-in2.mail.dreamhost.com (pri: 10)
TXT1v=spf1 include:spf.mailjet.com ?all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dave.ns.cloudflare.com dns.cloudflare.co

πŸ“Œ Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

Hierarchy

cybersecurity.study is the parent zone for www.cybersecurity.study.

IP Addresses

cybersecurity.study has four IP addresses: 104.21.85.49, 172.67.202.118, 2606:4700:3031::6815:5531 and 2606:4700:3033::ac43:ca76.

Among the host names that share IP numbers with cybersecurity.study are londonnetworker.com, jaluzi-verend.ru, easygocasino.com and two others.

Name Servers

Two name servers handle the delegation for cybersecurity.study: dave.ns.cloudflare.com and pam.ns.cloudflare.com.

cybersecurity.study has the same name server delegation as a number of other domains, such as shift4shop.com, nod32tw.com, nod32.com.hk and two more.

cybersecurity.study partially shares its NS delegation with several other domains, including learnbycode.com, okxuux22.com, stancyteacher.tw and two others.

These name servers regularly co-occur with the name servers dana.ns.cloudflare.com, mimi.ns.cloudflare.com and vasilii.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dave.ns.cloudflare.com resolves to 108.162.193.109, 172.64.33.109 and 173.245.59.109 among others, with 3 other IP addresses in total.

pam.ns.cloudflare.com resolves to 108.162.192.138, 172.64.32.138 and 173.245.58.138 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for cybersecurity.study point to two mail servers: vade-in1.mail.dreamhost.com and vade-in2.mail.dreamhost.com.

cybersecurity.study has the same mail server arrangement as a number of other domains, for example wygraland.pl, sprinklerage.com, ignasigiro.com and two more.

cybersecurity.study shares at least some of its mail servers with other domains β€” for example sewcraftystudio.com, dggb.com.br, healingnoni.com and two more.

vade-in1.mail.dreamhost.com resolves to 64.90.62.163. vade-in2.mail.dreamhost.com resolves to 64.90.62.164. Both host names point to a single IP number.