smarts4k.com - robtex.com
smarts4k.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:14bf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:c216🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.191Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.194.22🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leah.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| A | 108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| A | 172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| A | 173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leah.ns.cloudflare.com | ||||||
| NS | tim.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c191🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2191🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 108.162.193.145🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 172.64.33.145🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| A | 173.245.59.145🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tim.ns.cloudflare.com | ||||||
| TXT | yandex-verification: 0d2fc90f4dfc4e19 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.191, 172.67.194.22 | ||||||
| IPv6 hints | 2606:4700:3033::6815:14bf, 2606:4700:3034::ac43:c216 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com | ||||||
| SOA | leah.ns.cloudflare.comdns@cloudflare.com serial=2403590287 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778480076 | ||||||
Same first word
smarts4k.com |
DNS History
19 records (6 active, 13 former)
●NSleah.ns.cloudflare.com2018-11-28 → 2026-05-11 · 2 obs
● 2018-11-28 10:16:58
● 2026-05-11 06:35:56
● 2026-05-11 06:35:56
●NStim.ns.cloudflare.com2018-11-28 → 2026-05-11 · 2 obs
● 2018-11-28 10:16:58
● 2026-05-11 06:35:56
● 2026-05-11 06:35:56
○MXeforward1.registrar-servers.com2018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○MXeforward2.registrar-servers.com2018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○MXeforward3.registrar-servers.com2018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○MXeforward4.registrar-servers.com2018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
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○ 2026-05-11 06:35:56
○MXeforward5.registrar-servers.com2018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
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○ 2026-05-11 06:35:56
●A104.21.20.1912026-03-03 → 2026-05-11 · 30 obs
○ 2018-11-28 10:16:58
● 2026-03-03 00:14:36
● 2026-03-10 00:15:34
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● 2026-05-11 06:35:56
○A104.28.20.1292018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○A104.28.21.1292018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
●A172.67.194.222026-03-03 → 2026-05-11 · 30 obs
○ 2018-11-28 10:16:58
● 2026-03-03 00:14:36
● 2026-03-10 00:15:34
○ 2026-03-10 16:48:42
● 2026-03-11 00:12:18
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● 2026-05-11 06:35:56
○A188.114.96.02026-03-10 → 2026-05-05 · 29 obs
○ 2026-03-03 00:14:36
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● 2026-03-10 16:48:42
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○A188.114.97.02026-03-10 → 2026-05-05 · 29 obs
○ 2026-03-03 00:14:36
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● 2026-03-10 16:48:42
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○A2606:4700:30::681c:14812018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
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○A2606:4700:30::681c:15812018-11-28 → 2018-11-28 · 3 obs
● 2018-11-28 10:16:58
○ 2026-03-03 00:14:36
○ 2026-05-11 06:35:56
○ 2026-03-03 00:14:36
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●A2606:4700:3033::6815:14bf2026-03-03 → 2026-05-11 · 30 obs
○ 2018-11-28 10:16:58
● 2026-03-03 00:14:36
● 2026-03-10 00:15:34
○ 2026-03-10 16:48:42
● 2026-03-11 00:12:18
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●A2606:4700:3034::ac43:c2162026-03-03 → 2026-05-11 · 30 obs
○ 2018-11-28 10:16:58
● 2026-03-03 00:14:36
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○A2a06:98c1:3120::2026-03-10 → 2026-05-05 · 29 obs
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○A2a06:98c1:3121::2026-03-10 → 2026-05-05 · 29 obs
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🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| smarts4k.com | tim.ns.cloudflare.com, leah.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.145
NS records: tim.ns.cloudflare.com, leah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smarts4k.com (unsigned zone)
⏱️ Timing
Total: 144ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.20.191, 172.67.194.22 |
| AAAA | 2 | 2606:4700:3034::ac43:c216, 2606:4700:3033::6815:14bf |
| NS | 2 | leah.ns.cloudflare.com, tim.ns.cloudflare.com |
| TXT | 1 | yandex-verification: 0d2fc90f4dfc4e19 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leah.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tim.ns.cloudflare.com, tim.ns.cloudflare.com, tim.ns.cloudflare.com...)
Analysis
IP Addresses
smarts4k.com points to four IP numbers: 2606:4700:3033::6815:14bf, 2606:4700:3034::ac43:c216, 104.21.20.191 and 172.67.194.22.
Other host names, for instance instantjob.net, tresarroyos.gov.ar, relab.cc, www.oltex.net and eritel.it share IP numbers with smarts4k.com.
Name Servers
Delegation for smarts4k.com rests with two name servers, leah.ns.cloudflare.com and tim.ns.cloudflare.com.
smarts4k.com shares the same name server setup as other domains, including tjb.io, frisoesen.dk, pediatricstx.com, hjortebo.dk and 2bitboer.com.
smarts4k.com at least partially shares name servers with other domains, for instance bc1634.com, elitepalacezone.com, plexzanthryhub.com, zooecomuseum.ca and nhnonprofits.org.
These name servers are commonly used with adrian.ns.cloudflare.com and mark.ns.cloudflare.com.
Host names with six IP numbers: leah.ns.cloudflare.com points to: 2606:4700:50::adf5:3a81, 2803:f800:50::6ca2:c081, 2a06:98c1:50::ac40:2081, 108.162.192.129, 172.64.32.129 and 173.245.58.129. tim.ns.cloudflare.com points to: 2606:4700:58::adf5:3b91, 2803:f800:50::6ca2:c191, 2a06:98c1:50::ac40:2191, 108.162.193.145, 172.64.33.145 and 173.245.59.145.