thoitiet.io - robtex.com
thoitiet.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:8452Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:4b2Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.178Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.82Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cruz.ns.cloudflare.com ⭐ | ||||||
| NS | uriah.ns.cloudflare.com | ||||||
| MX | mx1.larksuite.com ⭐ | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mx2.larksuite.com(5) | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mx3.larksuite.com(10) | ||||||
| A | 18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 101.126.58.223🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20 | ||||||
| TXT | google-site-verification=1njNriKbwsQIYuk5EQ8YiidMQkdQ2bZhLSZW6xc-2w4 | ||||||
| TXT | v=spf1 +include:spf.onlarksuite.com -all | ||||||
| TXT | verification-code-site-App_lark=zNU5XBiY4JkTuNqjCZ9y | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.4.178, 172.67.132.82 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:8452, 2606:4700:3033::6815:4b2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com | ||||||
| SOA | cruz.ns.cloudflare.comdns@cloudflare.com serial=2406190946 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1784188503 | ||||||
Same first word
thoitiet.app |
thoitiet.online |
thoitiet.vn |
thoitiet.tv |
thoitiet.info |
thoitiet.dev |
thoitiet.com.vn |
thoitiet.net.vn |
thoitiet.edu.vn |
thoitiet.com |
thoitiet.io |
thoitiet.org |
thoitiet.net |
DNS History
9 records (9 active, 0 former)
●NScruz.ns.cloudflare.com2026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●NSuriah.ns.cloudflare.com2026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●MXmx1.larksuite.com2026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●MXmx2.larksuite.com2026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●MXmx3.larksuite.com2026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●A104.21.4.1782026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●A172.67.132.822026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●A2606:4700:3031::ac43:84522026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
●A2606:4700:3033::6815:4b22026-07-13 → 2026-07-16 · 2 obs
● 2026-07-16 08:52:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, c0.nic.io, b0.nic.io, a2.nic.io | - |
| thoitiet.io | cruz.ns.cloudflare.com, uriah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.88
NS records: cruz.ns.cloudflare.com, uriah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thoitiet.io (unsigned zone)
⏱️ Timing
Total: 2319ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.4.178, 172.67.132.82 |
| AAAA | 2 | 2606:4700:3031::ac43:8452, 2606:4700:3033::6815:4b2 |
| NS | 2 | cruz.ns.cloudflare.com, uriah.ns.cloudflare.com |
| MX | 3 | mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)... |
| TXT | 3 | google-site-verification=1njNriKbwsQIYuk, v=spf1 +include:spf.onlarksuite.com -all... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cruz.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
thoitiet.io directs to four IP numbers, which are 104.21.4.178, 172.67.132.82, 2606:4700:3031::ac43:8452 and 2606:4700:3033::6815:4b2.
Name Servers
DNS delegation for thoitiet.io points to two name servers: cruz.ns.cloudflare.com and uriah.ns.cloudflare.com.
Mail Servers
The MX records for thoitiet.io list three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.
Hosts with three IP address records:
mx3.larksuite.com has IP addresses 18.139.153.173, 101.126.58.223 and 122.14.230.154.
Hosts that resolve to one IP address:
mx1.larksuite.com directs to 18.139.153.173.
mx2.larksuite.com directs to 18.139.153.173.
mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com all direct to 18.139.153.173.