cybersecurity.study - dns.ninja
cybersecurity.study
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::6815:5531πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:ca76πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.85.49Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.202.118πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b6dπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16dπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216dπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 108.162.193.109πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 172.64.33.109πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 173.245.59.109πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| NS | pam.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a8aπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c08aπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:208aπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| A | 108.162.192.138πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| A | 172.64.32.138πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| A | 173.245.58.138πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | pam.ns.cloudflare.com | ||||||
| MX | vade-in1.mail.dreamhost.com β | ||||||
| A | 64.90.62.163πΊπΈ AS2634764.90.32.0/19 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES | ||||||
| PTR | fltr-in1.mail.dreamhost.com | ||||||
| MX | vade-in2.mail.dreamhost.com(10) | ||||||
| A | 64.90.62.164πΊπΈ AS2634764.90.32.0/19 New Dream Network, LLC 417 Associated Rd. PMB 257 Brea, CA 92821 UNITED STATES | ||||||
| PTR | fltr-in2.mail.dreamhost.com | ||||||
| TXT | v=spf1 include:spf.mailjet.com ?all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.85.49, 172.67.202.118 | ||||||
| IPv6 hints | 2606:4700:3031::6815:5531, 2606:4700:3033::ac43:ca76 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=107, name=cloudflare-ech.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2405880432 | ||||||
study
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.nic.study β | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1782338649 | ||||||
Subdomains
www.cybersecurity.study |
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
βNSdave.ns.cloudflare.com2018-12-14 β 2026-06-24 Β· 2 obs
β 2026-06-24 23:13:38
βNSpam.ns.cloudflare.com2018-12-14 β 2026-06-24 Β· 2 obs
β 2026-06-24 23:13:38
βMXvade-in1.mail.dreamhost.com2018-12-14 β 2026-06-24 Β· 2 obs
β 2026-06-24 23:13:38
βMXvade-in2.mail.dreamhost.com2018-12-14 β 2026-06-24 Β· 2 obs
β 2026-06-24 23:13:38
βA104.21.85.492026-03-02 β 2026-06-24 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA104.27.174.942018-12-14 β 2018-12-14 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA104.27.175.942018-12-14 β 2018-12-14 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA172.67.202.1182026-03-02 β 2026-06-24 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA2606:4700:30::681b:ae5e2018-12-14 β 2018-12-14 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA2606:4700:30::681b:af5e2018-12-14 β 2018-12-14 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
βA2606:4700:3031::6815:55312026-06-24 β 2026-06-24 Β· 3 obs
β 2026-06-24 23:13:34
β 2026-06-24 23:13:38
βA2606:4700:3033::6815:55312026-03-02 β 2026-06-17 Β· 5 obs
β 2026-03-02 08:48:20
β 2026-06-17 11:34:14
β 2026-06-24 23:13:34
β 2026-06-24 23:13:38
βA2606:4700:3033::ac43:ca762026-03-02 β 2026-06-24 Β· 3 obs
β 2026-03-02 08:48:20
β 2026-06-24 23:13:38
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| cybersecurity.study | dave.ns.cloudflare.com, pam.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.192.138
NS records: dave.ns.cloudflare.com, pam.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for cybersecurity.study (unsigned zone)
β±οΈ Timing
Total: 644ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.85.49, 172.67.202.118 |
| AAAA | 2 | 2606:4700:3033::ac43:ca76, 2606:4700:3031::6815:5531 |
| NS | 2 | dave.ns.cloudflare.com, pam.ns.cloudflare.com |
| MX | 2 | vade-in1.mail.dreamhost.com (pri: 0), vade-in2.mail.dreamhost.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mailjet.com ?all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
π 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.