studygroup.dev - robtex.com
studygroup.dev
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:4abfπΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:a25fπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.74.191Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.162.95πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | eva.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3a72πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c072π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2072πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 108.162.192.114πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 172.64.32.114πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| A | 173.245.58.114πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | eva.ns.cloudflare.com | ||||||
| NS | hugh.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b75πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c175π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2175πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 108.162.193.117πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 172.64.33.117πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 173.245.59.117πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.74.191, 172.67.162.95 | ||||||
| IPv6 hints | 2606:4700:3030::6815:4abf, 2606:4700:3035::ac43:a25f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com | ||||||
| SOA | eva.ns.cloudflare.comdns@cloudflare.com serial=2411360483 | ||||||
dev
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com β | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
10 records (6 active, 4 former)
βNSeva.ns.cloudflare.com2026-08-27 β 2026-08-30 Β· 2 obs
β 2026-08-30 21:50:52
βNShugh.ns.cloudflare.com2026-08-27 β 2026-08-30 Β· 2 obs
β 2026-08-30 21:50:52
βA104.21.74.1912026-08-30 β 2026-08-30 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA172.67.162.952026-08-30 β 2026-08-30 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA188.114.96.02026-08-27 β 2026-08-27 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA188.114.97.02026-08-27 β 2026-08-27 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA2606:4700:3030::6815:4abf2026-08-30 β 2026-08-30 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA2606:4700:3035::ac43:a25f2026-08-30 β 2026-08-30 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA2a06:98c1:3120::2026-08-27 β 2026-08-27 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
βA2a06:98c1:3121::2026-08-27 β 2026-08-27 Β· 3 obs
β 2026-08-30 07:40:40
β 2026-08-30 21:50:52
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| studygroup.dev | hugh.ns.cloudflare.com, eva.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.58.114
NS records: hugh.ns.cloudflare.com, eva.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for studygroup.dev (unsigned zone)
β±οΈ Timing
Total: 689ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.74.191, 172.67.162.95 |
| AAAA | 2 | 2606:4700:3030::6815:4abf, 2606:4700:3035::ac43:a25f |
| NS | 2 | eva.ns.cloudflare.com, hugh.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | eva.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
studygroup.dev directs to four IP numbers, which are 104.21.74.191, 172.67.162.95, 2606:4700:3030::6815:4abf and 2606:4700:3035::ac43:a25f.
Among the host names that share IP numbers with studygroup.dev are www.approximity.com, getcommercial-audio.com, 52jiajia.cn and two others.
Name Servers
studygroup.dev has two authoritative name servers β eva.ns.cloudflare.com and hugh.ns.cloudflare.com.
studygroup.dev has the same name server delegation as a number of other domains, such as mbx.com, ednewell.info, sanantoniobaypartnership.org and two more.
The name servers of studygroup.dev overlap at least partially with those of other domains β among them createchstore.com, pcumail.com, brinneinneujaseu-8967.workers.dev and two more.
These name servers commonly appear in combination with the name servers isla.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
eva.ns.cloudflare.com points to 108.162.192.114, 172.64.32.114, 173.245.58.114 and 3 other IP addresses.
hugh.ns.cloudflare.com points to 108.162.193.117, 172.64.33.117, 173.245.59.117 and 3 other IP addresses.