city99.study - robtex.com
city99.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:8560🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:575🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.117Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.133.96🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ace.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c41Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c341Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:2341Cloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.195.65Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.44.65Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.35.65Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | eloise.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26d0Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c2d0Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:22d0Cloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.194.208Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.38.208Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.34.208Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.5.117, 172.67.133.96 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:8560, 2606:4700:3033::6815:575 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=174, name=cloudflare-ech.com | ||||||
| SOA | ace.ns.cloudflare.comdns@cloudflare.com serial=2401331827 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| 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=1780556771 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSace.ns.cloudflare.com2026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
●NSeloise.ns.cloudflare.com2026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
●A104.21.5.1172026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
●A172.67.133.962026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
●A2606:4700:3032::ac43:85602026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
●A2606:4700:3033::6815:5752026-05-14 → 2026-06-04 · 2 obs
● 2026-06-04 07:11:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| city99.study | ace.ns.cloudflare.com, eloise.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.208
NS records: ace.ns.cloudflare.com, eloise.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for city99.study (unsigned zone)
⏱️ Timing
Total: 2561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.133.96, 104.21.5.117 |
| AAAA | 2 | 2606:4700:3033::6815:575, 2606:4700:3032::ac43:8560 |
| NS | 2 | ace.ns.cloudflare.com, eloise.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ace.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
With 4 IP addresses, city99.study directs to 104.21.5.117, 172.67.133.96, 2606:4700:3032::ac43:8560 and 2606:4700:3033::6815:575.
Among the host names that share IP numbers with city99.study are goalx.me, donutxgame.live, harryandmeghans.numpet.com and two others.
Name Servers
Two name servers handle the delegation for city99.study: ace.ns.cloudflare.com and eloise.ns.cloudflare.com.
city99.study has the same name server delegation as a number of other domains, such as gloherbal.id, carolinespringsfc.com.au, sanosanvietnam.com and two more.
city99.study has at least partial name server overlap with other domains, such as rapidasig.md, polykernel.net, birdallianceoregon.org and two others.
These name servers are routinely co-deployed with the name servers norman.ns.cloudflare.com, anastasia.ns.cloudflare.com, violet.ns.cloudflare.com and two others.
Host names resolving to 6 IP numbers:
ace.ns.cloudflare.com has IP addresses 108.162.195.65, 162.159.44.65, 172.64.35.65 plus three more.
eloise.ns.cloudflare.com has IP addresses 108.162.194.208, 162.159.38.208, 172.64.34.208 plus three more.