open88.study - dns.ninja
open88.study
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3035::6815:40b8πΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:9a4eπΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.64.184Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.154.78πΊπΈ Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | grant.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::a29f:2c82πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c382π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2382πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 108.162.195.130πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 162.159.44.130Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| A | 172.64.35.130πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grant.ns.cloudflare.com | ||||||
| NS | sharon.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3addπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ddπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ddπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| A | 108.162.192.221πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| A | 172.64.32.221πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| A | 173.245.58.221πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sharon.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.64.184, 172.67.154.78 | ||||||
| IPv6 hints | 2606:4700:3035::6815:40b8, 2606:4700:3037::ac43:9a4e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com | ||||||
| SOA | grant.ns.cloudflare.comdns@cloudflare.com serial=2409957589 | ||||||
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=1784838797 | ||||||
rank #7 in the tld
Same first word
DNS History
8 records (6 active, 2 former)
βNSgrant.ns.cloudflare.com2026-04-17 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
βNSsharon.ns.cloudflare.com2026-04-17 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
βA104.21.64.1842026-04-17 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
βA172.67.154.782026-04-17 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
βA2606:4700:3030::6815:40b82026-04-17 β 2026-04-17 Β· 2 obs
β 2026-07-23 21:04:14
βA2606:4700:3031::ac43:9a4e2026-04-17 β 2026-04-17 Β· 2 obs
β 2026-07-23 21:04:14
βA2606:4700:3035::6815:40b82026-07-23 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
βA2606:4700:3037::ac43:9a4e2026-07-23 β 2026-07-23 Β· 2 obs
β 2026-07-23 21:04:14
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| open88.study | grant.ns.cloudflare.com, sharon.ns.cloudflare.com | - |
β Authoritative Response
Server:162.159.44.130
NS records: grant.ns.cloudflare.com, sharon.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for open88.study (unsigned zone)
β±οΈ Timing
Total: 377ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.154.78, 104.21.64.184 |
| AAAA | 2 | 2606:4700:3037::ac43:9a4e, 2606:4700:3035::6815:40b8 |
| NS | 2 | grant.ns.cloudflare.com, sharon.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | grant.ns.cloudflare.com dns.cloudflare.c |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, a.nic.study, b.nic.study...)
Analysis
IP Addresses
open88.study resolves to four IP addresses: 104.21.64.184, 172.67.154.78, 2606:4700:3035::6815:40b8 and 2606:4700:3037::ac43:9a4e.
Among the host names that share IP numbers with open88.study are bimengba.com, rjqxnscfpzsau.website, www.246.dk and two others.
Name Servers
open88.study uses two name servers for its delegation: grant.ns.cloudflare.com and sharon.ns.cloudflare.com.
open88.study has the same name server delegation as a number of other domains, such as ee88.law, tbmods.io, jabiruautorental.bz and two more.
open88.study has at least partial name server overlap with other domains, such as swingerschat.com.au, londonvipstore.uk, thegapbrand.com and two others.
It is common to see these name servers used together with name servers skip.ns.cloudflare.com and wally.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
Hostname grant.ns.cloudflare.com directs to 108.162.195.130, 162.159.44.130 and 172.64.35.130 along with 3 other IP addresses.
Hostname sharon.ns.cloudflare.com directs to 108.162.192.221, 172.64.32.221 and 173.245.58.221 along with 3 other IP addresses.