classlab.study - dns.ninja
classlab.study
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3034::ac43:dc44πΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:435dπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.67.93Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.220.68πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | lorna.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3abeπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0beπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20beπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 108.162.192.190πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.190πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.190πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | reese.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c75πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c375π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2375πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 108.162.195.117πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 162.159.44.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| A | 172.64.35.117πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reese.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.67.93, 172.67.220.68 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:dc44, 2606:4700:3035::6815:435d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com | ||||||
| SOA | lorna.ns.cloudflare.comdns@cloudflare.com serial=2416533454 | ||||||
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=1791508005 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
10 records (6 active, 4 former)
βNSlorna.ns.cloudflare.com2026-09-24 β 2026-10-09 Β· 2 obs
β 2026-10-09 02:34:52
βNSreese.ns.cloudflare.com2026-09-24 β 2026-10-09 Β· 2 obs
β 2026-10-09 02:34:52
βA104.21.67.932026-09-25 β 2026-10-09 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA172.67.220.682026-09-25 β 2026-10-09 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA188.114.96.02026-09-24 β 2026-09-24 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA188.114.97.02026-09-24 β 2026-09-24 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA2606:4700:3034::ac43:dc442026-09-25 β 2026-10-09 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA2606:4700:3035::6815:435d2026-09-25 β 2026-10-09 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA2a06:98c1:3120::2026-09-24 β 2026-09-24 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
βA2a06:98c1:3121::2026-09-24 β 2026-09-24 Β· 3 obs
β 2026-09-25 07:58:28
β 2026-10-09 02:34:52
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | z.nic.study, x.nic.study, b.nic.study, y.nic.study... | 12 records |
| classlab.study | reese.ns.cloudflare.com, lorna.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.195.117
NS records: reese.ns.cloudflare.com, lorna.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for classlab.study (unsigned zone)
β±οΈ Timing
Total: 1335ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.93, 172.67.220.68 |
| AAAA | 2 | 2606:4700:3035::6815:435d, 2606:4700:3034::ac43:dc44 |
| NS | 2 | lorna.ns.cloudflare.com, reese.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | lorna.ns.cloudflare.com dns.cloudflare.c |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.study, z.nic.study, x.nic.study...)
Analysis
IP Addresses
classlab.study resolves to four IP addresses: 104.21.67.93, 172.67.220.68, 2606:4700:3034::ac43:dc44 and 2606:4700:3035::6815:435d.
Among the host names that share IP numbers with classlab.study are zaoczne.pl, shokantowing.top, konakligercekescortlar.xyz and two others.
Name Servers
classlab.study has two authoritative name servers β lorna.ns.cloudflare.com and reese.ns.cloudflare.com.
classlab.study has the same name server delegation as a number of other domains, such as knowwave.study, rocketmirth.digital, classgo.study and two more.
classlab.study shares at least some of its name servers with other domains, including reddogcasino.pe, mitamask-logn.pages.dev, faidn1946.workers.dev and two others.
These name servers are frequently paired with the name servers perla.ns.cloudflare.com and violet.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
lorna.ns.cloudflare.com points to 108.162.192.190, 172.64.32.190, 173.245.58.190 and 3 other IP addresses.
reese.ns.cloudflare.com points to 108.162.195.117, 162.159.44.117, 172.64.35.117 and 3 other IP addresses.