ultima.school - robtex.com
ultima.school
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:496🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:9a32🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.150Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.154.50🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gina.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c075🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2075🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 108.162.192.117🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 172.64.32.117🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| A | 173.245.58.117🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gina.ns.cloudflare.com | ||||||
| NS | simon.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3be8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1e8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21e8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| A | 108.162.193.232🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| A | 172.64.33.232🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| A | 173.245.59.232🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | simon.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.4.150, 172.67.154.50 | ||||||
| IPv6 hints | 2606:4700:3031::6815:496, 2606:4700:3033::ac43:9a32 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com | ||||||
| SOA | gina.ns.cloudflare.comdns@cloudflare.com serial=2406293136 | ||||||
school
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.school ⭐ | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1785148255 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSgina.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:21:32
●NSsimon.ns.cloudflare.com2026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:21:32
●A104.21.4.1502026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:21:32
●A172.67.154.502026-06-10 → 2026-07-27 · 2 obs
● 2026-07-27 11:21:32
●A2606:4700:3031::6815:4962026-07-11 → 2026-07-27 · 3 obs
● 2026-07-11 12:01:58
● 2026-07-27 11:21:32
●A2606:4700:3033::ac43:9a322026-07-11 → 2026-07-27 · 3 obs
● 2026-07-11 12:01:58
● 2026-07-27 11:21:32
○A2606:4700:3034::6815:4962026-06-10 → 2026-06-10 · 3 obs
○ 2026-07-11 12:01:58
○ 2026-07-27 11:21:32
○A2606:4700:3037::ac43:9a322026-06-10 → 2026-06-10 · 3 obs
○ 2026-07-11 12:01:58
○ 2026-07-27 11:21:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v0n0.nic.school, v0n1.nic.school, v0n2.nic.school, v0n3.nic.school... | 12 records |
| ultima.school | simon.ns.cloudflare.com, gina.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.117
NS records: simon.ns.cloudflare.com, gina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ultima.school (unsigned zone)
⏱️ Timing
Total: 539ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.4.150, 172.67.154.50 |
| AAAA | 2 | 2606:4700:3033::ac43:9a32, 2606:4700:3031::6815:496 |
| NS | 2 | gina.ns.cloudflare.com, simon.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gina.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n0.nic.school, v0n1.nic.school...)
Analysis
IP Addresses
ultima.school directs to four IP numbers, which are 104.21.4.150, 172.67.154.50, 2606:4700:3031::6815:496 and 2606:4700:3033::ac43:9a32.
Among the host names that share IP numbers with ultima.school are 782ss.com, natulife.ru, thejillist.com and two others.
Name Servers
ultima.school has two authoritative name servers — gina.ns.cloudflare.com and simon.ns.cloudflare.com.
ultima.school has the same name server delegation as a number of other domains, such as debatnacht.nl, unyka.media, projecttimes.com and two more.
The name servers of ultima.school overlap at least partially with those of other domains — among them ecohardwood.co.uk, venceit.com, skor.dp.ua and two more.
These name servers commonly appear alongside the name servers pablo.ns.cloudflare.com and lina.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
gina.ns.cloudflare.com points to 108.162.192.117, 172.64.32.117, 173.245.58.117 and 3 other IP addresses.
simon.ns.cloudflare.com points to 108.162.193.232, 172.64.33.232, 173.245.59.232 and 3 other IP addresses.