sinhvienit.dev - robtex.com
sinhvienit.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:caaf🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:5aac🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.90.172Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.202.175🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fatima.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 108.162.194.188🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 162.159.38.188Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| A | 172.64.34.188🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fatima.ns.cloudflare.com | ||||||
| NS | fred.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.90.172, 172.67.202.175 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:caaf, 2606:4700:3037::6815:5aac | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=215, name=cloudflare-ech.com | ||||||
| SOA | fatima.ns.cloudflare.comdns@cloudflare.com serial=2402148887 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
rank #557 in the tld
🔒 HSTS Preload (+subdomains)
Same first word
sinhvienit.dev |
sinhvienit.com |
sinhvienit.net |
DNS History
6 records (6 active, 0 former)
●NSfatima.ns.cloudflare.com2026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
●NSfred.ns.cloudflare.com2026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
●A104.21.90.1722026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
●A172.67.202.1752026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
●A2606:4700:3034::ac43:caaf2026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
●A2606:4700:3037::6815:5aac2026-04-23 → 2026-04-24 · 2 obs
● 2026-04-24 15:30:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| sinhvienit.dev | fatima.ns.cloudflare.com, fred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.113
NS records: fatima.ns.cloudflare.com, fred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sinhvienit.dev (unsigned zone)
⏱️ Timing
Total: 547ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.90.172, 172.67.202.175 |
| AAAA | 2 | 2606:4700:3034::ac43:caaf, 2606:4700:3037::6815:5aac |
| NS | 2 | fatima.ns.cloudflare.com, fred.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fatima.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
Four IP numbers are pointed to by sinhvienit.dev: 2606:4700:3034::ac43:caaf, 2606:4700:3037::6815:5aac, 104.21.90.172 and 172.67.202.175.
other host names including gloria-osteria.com, wgled.cn, ggddrop.com, gudesj.com and unitedoddsocks.com share IP numbers with sinhvienit.dev.
Name Servers
sinhvienit.dev is delegated to two name servers fatima.ns.cloudflare.com and fred.ns.cloudflare.com.
sinhvienit.dev shares the same name server setup as other domains, for instance nohu90.pink, mb66c3.ink, u888com.dev, seekmp3.info and u888b.ink.
sinhvienit.dev at least partially shares name servers with other domains, for instance baomineotraso.info, bavinlayer.click, picketlayer.click, 31xx5913f.cc and cpssc.cn.
These name servers are commonly used alongside pedro.ns.cloudflare.com and zelda.ns.cloudflare.com.
Host names with six IP numbers:
Host name fatima.ns.cloudflare.com points to: 2606:4700:50::a29f:26bc, 2803:f800:50::6ca2:c2bc, 2a06:98c1:50::ac40:22bc, 108.162.194.188, 162.159.38.188 and 172.64.34.188.
Host name fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113.