linux.sg - robtex.com
linux.sg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:53d1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:b5f2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.83.209Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.242🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amir.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| A | 108.162.193.62🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| A | 172.64.33.62🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| A | 173.245.59.62🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amir.ns.cloudflare.com | ||||||
| NS | val.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3aea🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ea🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ea🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 108.162.192.234🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 172.64.32.234🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| A | 173.245.58.234🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | val.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.83.209, 172.67.181.242 | ||||||
| IPv6 hints | 2606:4700:3030::6815:53d1, 2606:4700:3035::ac43:b5f2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com | ||||||
| SOA | amir.ns.cloudflare.comdns@cloudflare.com serial=2400126196 | ||||||
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=2605091500 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
●NSamir.ns.cloudflare.com2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:19:36
● 2026-05-09 15:27:18
○NSns1.ipmirror.com2015-07-06 → 2016-06-28 · 4 obs
● 2016-06-28 08:50:54
○ 2016-09-23 16:19:42
○ 2026-05-09 15:27:18
○NSns2.ipmirror.com2015-07-06 → 2016-06-28 · 4 obs
● 2016-06-28 08:50:54
○ 2016-09-23 16:19:42
○ 2026-05-09 15:27:18
○NSns3.ipmirror.com2015-07-06 → 2016-06-28 · 4 obs
● 2016-06-28 08:50:54
○ 2016-09-23 16:19:42
○ 2026-05-09 15:27:18
●NSval.ns.cloudflare.com2026-02-15 → 2026-05-09 · 3 obs
● 2026-02-15 22:19:36
● 2026-05-09 15:27:18
●A104.21.83.2092026-02-15 → 2026-05-09 · 2 obs
● 2026-05-09 15:27:18
●A172.67.181.2422026-02-15 → 2026-05-09 · 2 obs
● 2026-05-09 15:27:18
●A2606:4700:3030::6815:53d12026-02-15 → 2026-05-09 · 2 obs
● 2026-05-09 15:27:18
●A2606:4700:3035::ac43:b5f22026-02-15 → 2026-05-09 · 2 obs
● 2026-05-09 15:27:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | pch.sgzones.sg, dsany4.sgnic.sg, dsany2.sgnic.sg, dsany3.sgnic.sg | - |
| linux.sg | val.ns.cloudflare.com, amir.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.62
NS records: val.ns.cloudflare.com, amir.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.sg (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.83.209, 172.67.181.242 |
| AAAA | 2 | 2606:4700:3030::6815:53d1, 2606:4700:3035::ac43:b5f2 |
| NS | 2 | amir.ns.cloudflare.com, val.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amir.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
linux.sg maps to four IP numbers: 2606:4700:3030::6815:53d1, 2606:4700:3035::ac43:b5f2, 104.21.83.209 and 172.67.181.242.
Other host names, for instance monitor.seflasystem.it, wyliodrin.com, kahunitokonpartners.click, radyodinle.one and fondoambientalquito.gob.ec share IP numbers with linux.sg.
Name Servers
Two name servers amir.ns.cloudflare.com and val.ns.cloudflare.com are delegated to linux.sg.
linux.sg uses the same name server configuration as other domains, such as bpiq.love, amantis.pl, jwconsulting.com.au, ftzplex.com and mottsbodyrepair.co.uk.
linux.sg at least partially shares name servers with other domains such as first(0x736578)movies.com, grandboats-adriatic.com, macroindex.ru, hg836l.com and webiqlab.com.
These name servers are commonly used with liz.ns.cloudflare.com and kristin.ns.cloudflare.com.
Host names with six IP numbers: Host name amir.ns.cloudflare.com points to 2606:4700:58::adf5:3b3e, 2803:f800:50::6ca2:c13e, 2a06:98c1:50::ac40:213e, 108.162.193.62, 172.64.33.62 and 173.245.59.62; host name val.ns.cloudflare.com points to 2606:4700:50::adf5:3aea, 2803:f800:50::6ca2:c0ea, 2a06:98c1:50::ac40:20ea, 108.162.192.234, 172.64.32.234 and 173.245.58.234.