center4cs.org - robtex.com
center4cs.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:4a37🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c776🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.74.55Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.118🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gordon.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3baa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1aa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21aa🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 108.162.193.170🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 172.64.33.170🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| A | 173.245.59.170🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gordon.ns.cloudflare.com | ||||||
| NS | naya.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 108.162.194.242🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 162.159.38.242Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 172.64.34.242🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| MX | ghs.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c09::79🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bh-in-f121.1e100.net | ||||||
| A | 172.253.122.121🇺🇸 Google172.253.122.0/24 | ||||||
| PTR | bh-in-f121.1e100.net | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.74.55, 172.67.199.118 | ||||||
| IPv6 hints | 2606:4700:3034::6815:4a37, 2606:4700:3035::ac43:c776 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com | ||||||
| SOA | gordon.ns.cloudflare.comdns@cloudflare.com serial=2406637403 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1781801194 | ||||||
rank #30825 in the tld
Same first word
center4cs.com |
center4cs.org |
DNS History
7 records (7 active, 0 former)
●NSgordon.ns.cloudflare.com2026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●NSnaya.ns.cloudflare.com2026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●MXghs.google.com2026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●A104.21.74.552026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●A172.67.199.1182026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●A2606:4700:3034::6815:4a372026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
●A2606:4700:3035::ac43:c7762026-06-10 → 2026-06-18 · 2 obs
● 2026-06-18 16:55:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| center4cs.org | naya.ns.cloudflare.com, gordon.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.242
NS records: naya.ns.cloudflare.com, gordon.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for center4cs.org (unsigned zone)
⏱️ Timing
Total: 498ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.118, 104.21.74.55 |
| AAAA | 2 | 2606:4700:3034::6815:4a37, 2606:4700:3035::ac43:c776 |
| NS | 2 | gordon.ns.cloudflare.com, naya.ns.cloudflare.com |
| MX | 1 | ghs.google.com (pri: 1200) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gordon.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
center4cs.org directs to four IP numbers, which are 104.21.74.55, 172.67.199.118, 2606:4700:3034::6815:4a37 and 2606:4700:3035::ac43:c776.
rachelfreelances.com, tplaser.com, colanne.com plus two other host names have IP numbers in common with center4cs.org.
Name Servers
center4cs.org has two authoritative name servers — gordon.ns.cloudflare.com and naya.ns.cloudflare.com.
center4cs.org uses the same name servers as alazharhospitals.com, exall.co.uk, nuvola.tv and live-draw-sgp.co, among others.
The name servers of center4cs.org overlap at least partially with those of other domains — among them winterx.com, kosz.info, 445819.com and two more.
These name servers commonly appear alongside the name servers aspen.ns.cloudflare.com and nola.ns.cloudflare.com.
Hosts with 6 IP addresses each:
gordon.ns.cloudflare.com points to 108.162.193.170, 172.64.33.170, 173.245.59.170 and 3 other IP addresses.
naya.ns.cloudflare.com points to 108.162.194.242, 162.159.38.242, 172.64.34.242 and 3 other IP addresses.
Mail Servers
center4cs.org uses one mail server — ghs.google.com.
The mail server setup of center4cs.org matches that of other domains such as paradisegem.org, clacs.org, fuelcyclefitness.com and two others.
ghs.google.com resolves to two IP numbers — 172.253.122.121 and 2607:f8b0:4004:c09::79.