tst4d.co - robtex.com
tst4d.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d11c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:42e8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.232Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.209.28🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | edward.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cd2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| A | 108.162.195.210🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| A | 162.159.44.210Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| A | 172.64.35.210🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | edward.ns.cloudflare.com | ||||||
| NS | grace.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c09f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:209f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 108.162.192.159🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 172.64.32.159🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| A | 173.245.58.159🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | grace.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.232, 172.67.209.28 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d11c, 2606:4700:3037::6815:42e8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com | ||||||
| SOA | edward.ns.cloudflare.comdns@cloudflare.com serial=2407520835 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759717996 | ||||||
Same first word
DNS History
10 records (6 active, 4 former)
●NSedward.ns.cloudflare.com2026-06-27 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
●NSgrace.ns.cloudflare.com2026-06-27 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
●A104.21.66.2322026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
●A172.67.209.282026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
○A188.114.96.02026-06-27 → 2026-06-27 · 2 obs
○ 2026-07-28 00:45:56
○A188.114.97.02026-06-27 → 2026-06-27 · 2 obs
○ 2026-07-28 00:45:56
●A2606:4700:3032::ac43:d11c2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
●A2606:4700:3037::6815:42e82026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 00:45:56
○A2a06:98c1:3120::2026-06-27 → 2026-06-27 · 2 obs
○ 2026-07-28 00:45:56
○A2a06:98c1:3121::2026-06-27 → 2026-06-27 · 2 obs
○ 2026-07-28 00:45:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| tst4d.co | grace.ns.cloudflare.com, edward.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.210
NS records: grace.ns.cloudflare.com, edward.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tst4d.co (unsigned zone)
⏱️ Timing
Total: 321ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.232, 172.67.209.28 |
| AAAA | 2 | 2606:4700:3037::6815:42e8, 2606:4700:3032::ac43:d11c |
| NS | 2 | edward.ns.cloudflare.com, grace.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | edward.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
tst4d.co directs to four IP numbers, which are 104.21.66.232, 172.67.209.28, 2606:4700:3032::ac43:d11c and 2606:4700:3037::6815:42e8.
arquitecturafitness.com, www.usgolfschoolguide.com, www.vertexcoreconnects.com plus two other host names have IP numbers in common with tst4d.co.
Name Servers
tst4d.co uses two name servers for its delegation: edward.ns.cloudflare.com and grace.ns.cloudflare.com.
The name server configuration of tst4d.co is shared with other domains, for instance solidsro.com, camprocks.org, aireretro.com and two others.
The name servers of tst4d.co overlap at least partially with those of other domains — among them fydz17.com, informedeating.org, 1xbet-ary95.cfd and two more.
The name servers desi.ns.cloudflare.com, pablo.ns.cloudflare.com and blair.ns.cloudflare.com are commonly seen alongside these name servers.
Hosts with 6 IP addresses each:
Hostname edward.ns.cloudflare.com directs to 108.162.195.210, 162.159.44.210 and 172.64.35.210 along with 3 other IP addresses.
Hostname grace.ns.cloudflare.com directs to 108.162.192.159, 172.64.32.159 and 173.245.58.159 along with 3 other IP addresses.