qctxsb.com - robtex.com
qctxsb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:df25🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2e25🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.46.37Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.223.37🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | rayden.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2ca3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 108.162.195.163🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 162.159.44.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| A | 172.64.35.163🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rayden.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.46.37, 172.67.223.37 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:df25, 2606:4700:3035::6815:2e25 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2403221905 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1780469549 | ||||||
Same first word
qctxsb.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdorthy.ns.cloudflare.com2026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
●NSrayden.ns.cloudflare.com2026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
●A104.21.46.372026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
●A172.67.223.372026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
●A2606:4700:3034::ac43:df252026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
●A2606:4700:3035::6815:2e252026-04-20 → 2026-06-03 · 2 obs
● 2026-06-03 07:16:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| qctxsb.com | dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.163
NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qctxsb.com (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.223.37, 104.21.46.37 |
| AAAA | 2 | 2606:4700:3034::ac43:df25, 2606:4700:3035::6815:2e25 |
| NS | 2 | dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dorthy.ns.cloudflare.com, dorthy.ns.cloudflare.com, dorthy.ns.cloudflare.com...)
Analysis
IP Addresses
qctxsb.com resolves to 4 IP numbers: 104.21.46.37, 172.67.223.37, 2606:4700:3034::ac43:df25 and 2606:4700:3035::6815:2e25.
Additional host names — supportivehippopotamus.info, parisvega.com, stalmex.com and two others — share IP numbers with qctxsb.com.
Name Servers
qctxsb.com has two authoritative name servers — dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.
qctxsb.com shares its name server setup with other domains, including 13720.net, 77syw.com, shijiebei4qiangjuesaijingcaifenxi.cn and two others.
There is at least partial name server overlap between qctxsb.com and other domains — schilleservices.com, rvpartsdeals.com, n1buy.info and two more among them.
The name servers abdullah.ns.cloudflare.com, jen.ns.cloudflare.com and hera.ns.cloudflare.com are often found in combination with these name servers.
Host names with 6 IP numbers:
dorthy.ns.cloudflare.com maps to six IP addresses: 108.162.192.249, 172.64.32.249, 173.245.58.249 and three others.
rayden.ns.cloudflare.com maps to six IP addresses: 108.162.195.163, 162.159.44.163, 172.64.35.163 and three others.