booksmart.sg - robtex.com
booksmart.sg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:5668🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:d9d7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.86.104Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.217.215🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | rustam.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c94🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c394🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2394🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| A | 108.162.195.148🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| A | 162.159.44.148Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| A | 172.64.35.148🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rustam.ns.cloudflare.com | ||||||
| NS | zainab.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2695🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c295🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2295🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| A | 108.162.194.149🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| A | 162.159.38.149Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| A | 172.64.34.149🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zainab.ns.cloudflare.com | ||||||
| TXT | facebook-domain-verification=8kseklqlb6w6svzjrjux1wgi8k7dxx | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.86.104, 172.67.217.215 | ||||||
| IPv6 hints | 2606:4700:3034::6815:5668, 2606:4700:3034::ac43:d9d7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com | ||||||
| SOA | rustam.ns.cloudflare.comdns@cloudflare.com serial=2397123267 | ||||||
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2604132100 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSrustam.ns.cloudflare.com2026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
●NSzainab.ns.cloudflare.com2026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
●A104.21.86.1042026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
●A172.67.217.2152026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
●A2606:4700:3034::6815:56682026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
●A2606:4700:3034::ac43:d9d72026-02-22 → 2026-04-13 · 2 obs
● 2026-04-13 21:20:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | dsany3.sgnic.sg, dsany4.sgnic.sg, pch.sgzones.sg, dsany2.sgnic.sg | - |
| booksmart.sg | rustam.ns.cloudflare.com, zainab.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.148
NS records: rustam.ns.cloudflare.com, zainab.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for booksmart.sg (unsigned zone)
⏱️ Timing
Total: 321ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.86.104, 172.67.217.215 |
| AAAA | 2 | 2606:4700:3034::ac43:d9d7, 2606:4700:3034::6815:5668 |
| NS | 2 | rustam.ns.cloudflare.com, zainab.ns.cloudflare.com |
| TXT | 1 | facebook-domain-verification=8kseklqlb6w |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | rustam.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
booksmart.sg resolves to four IPs: 2606:4700:3034::6815:5668, 2606:4700:3034::ac43:d9d7, 104.21.86.104 and 172.67.217.215.
Other host names, for instance singappennea.com, platan.us, eve-search.com, covajoronoperationsco.digital and stamfordsmilearts.com share IP numbers with booksmart.sg.
Name Servers
booksmart.sg has two name servers: rustam.ns.cloudflare.com and zainab.ns.cloudflare.com.
booksmart.sg shares the same name server setup as other domains, for example taldyk.info, torrentproxy.net, centex-indicators.org, freepressportal.com and clubornithohr.com.
booksmart.sg shares some name servers with other domains, for example gomicromagic.com, welovesmalljobs.com, sahayu.com, nccexpo.com and cumshots.com.
These name servers are commonly used alongside henry.ns.cloudflare.com, nelci.ns.cloudflare.com, aurora.ns.cloudflare.com and dalary.ns.cloudflare.com.
Host names with six IP numbers: rustam.ns.cloudflare.com points to: 2606:4700:58::a29f:2c94, 2803:f800:50::6ca2:c394, 2a06:98c1:50::ac40:2394, 108.162.195.148, 162.159.44.148 and 172.64.35.148; zainab.ns.cloudflare.com points to: 2606:4700:50::a29f:2695, 2803:f800:50::6ca2:c295, 2a06:98c1:50::ac40:2295, 108.162.194.149, 162.159.38.149 and 172.64.34.149.