sierra.tools - robtex.com
sierra.tools
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:44ad🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c540🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.68.173Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.197.64🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | candy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a4f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c04f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:204f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 108.162.192.79🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 172.64.32.79🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| A | 173.245.58.79🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | candy.ns.cloudflare.com | ||||||
| NS | paul.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b87🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c187🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2187🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| A | 108.162.193.135🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| A | 172.64.33.135🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| A | 173.245.59.135🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | paul.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.68.173, 172.67.197.64 | ||||||
| IPv6 hints | 2606:4700:3037::6815:44ad, 2606:4700:3037::ac43:c540 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | candy.ns.cloudflare.comdns@cloudflare.com serial=2409476659 | ||||||
tools
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.tools ⭐ | ||||||
| NS | v0n1.nic.tools | ||||||
| NS | v0n2.nic.tools | ||||||
| NS | v0n3.nic.tools | ||||||
| NS | v2n0.nic.tools | ||||||
| NS | v2n1.nic.tools | ||||||
| SOA | v0n0.nic.toolshostmaster@donuts.email serial=1784145945 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NScandy.ns.cloudflare.com2026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
●NSpaul.ns.cloudflare.com2026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
●A104.21.68.1732026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
●A172.67.197.642026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
●A2606:4700:3037::6815:44ad2026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
●A2606:4700:3037::ac43:c5402026-07-13 → 2026-07-15 · 2 obs
● 2026-07-15 20:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tools | v0n3.nic.tools, v0n1.nic.tools, v2n1.nic.tools, v0n0.nic.tools... | - |
| sierra.tools | paul.ns.cloudflare.com, candy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.79
NS records: paul.ns.cloudflare.com, candy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sierra.tools (unsigned zone)
⏱️ Timing
Total: 583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.197.64, 104.21.68.173 |
| AAAA | 2 | 2606:4700:3037::ac43:c540, 2606:4700:3037::6815:44ad |
| NS | 2 | candy.ns.cloudflare.com, paul.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | candy.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
sierra.tools has four IP addresses: 104.21.68.173, 172.67.197.64, 2606:4700:3037::6815:44ad and 2606:4700:3037::ac43:c540.
Two other host names, along with higaknowit.com, angkulloo.life and www.kassad.in, also share IP numbers with sierra.tools.
Name Servers
sierra.tools uses two name servers for its delegation: candy.ns.cloudflare.com and paul.ns.cloudflare.com.
sierra.tools shares its NS records with other domains, for example telefon(0x736578)-extrem.de, sidesupports.com, sierra.ai and two others.
sierra.tools shares at least some of its name servers with other domains, including showmax.ru, topnetworks.com, genesisrevival-en.com and two others.
These name servers are frequently seen alongside the name servers andy.ns.cloudflare.com, henry.ns.cloudflare.com, julio.ns.cloudflare.com and arya.ns.cloudflare.com.
DNS names with 6 IP addresses:
Hostname candy.ns.cloudflare.com directs to 108.162.192.79, 172.64.32.79 and 173.245.58.79 along with 3 other IP addresses.
Hostname paul.ns.cloudflare.com directs to 108.162.193.135, 172.64.33.135 and 173.245.59.135 along with 3 other IP addresses.