columbsconcepts.com - robtex.com
columbsconcepts.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:abfc🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:581b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.27Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.252🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | carlos.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c370🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2370🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| A | 108.162.195.112🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| A | 162.159.44.112Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| A | 172.64.35.112🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carlos.ns.cloudflare.com | ||||||
| NS | yolanda.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| A | 108.162.192.241🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| A | 172.64.32.241🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| A | 173.245.58.241🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | yolanda.ns.cloudflare.com | ||||||
| MX | _dc-mx.237d8c7b7895.columbsconcepts.com ⭐ | ||||||
| A | 212.47.67.239🇬🇧 CONTABO212.47.64.0/21 | ||||||
| PTR | ip-239-67-47-212.static.contabo.net | ||||||
| TXT | v=spf1 +a +mx +a:vmi2608939.contaboserver.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.88.27, 172.67.171.252 | ||||||
| IPv6 | 2606:4700:3030::ac43:abfc, 2606:4700:3031::6815:581b | ||||||
| SOA | carlos.ns.cloudflare.comdns@cloudflare.com serial=2397500472 | ||||||
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=1774442122 | ||||||
Same first word
columbsconcepts.com |
DNS History
7 records (7 active, 0 former)
●NScarlos.ns.cloudflare.com2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●NSyolanda.ns.cloudflare.com2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●MX_dc-mx.237d8c7b7895.columbsconcepts.com2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●A104.21.88.272026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●A172.67.171.2522026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●A2606:4700:3030::ac43:abfc2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
●A2606:4700:3031::6815:581b2026-03-23 → 2026-03-25 · 2 obs
● 2026-03-25 12:39:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net... | - |
| columbsconcepts.com | yolanda.ns.cloudflare.com, carlos.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.112
NS records: yolanda.ns.cloudflare.com, carlos.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for columbsconcepts.com (unsigned zone)
⏱️ Timing
Total: 234ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.171.252, 104.21.88.27 |
| AAAA | 2 | 2606:4700:3031::6815:581b, 2606:4700:3030::ac43:abfc |
| NS | 2 | carlos.ns.cloudflare.com, yolanda.ns.cloudflare.com |
| MX | 1 | _dc-mx.237d8c7b7895.columbsconcepts.com |
| TXT | 1 | v=spf1 +a +mx +a:vmi2608939.contaboserve |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | carlos.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (yolanda.ns.cloudflare.com, yolanda.ns.cloudflare.com, yolanda.ns.cloudflare.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by columbsconcepts.com: 2606:4700:3030::ac43:abfc, 2606:4700:3031::6815:581b, 104.21.88.27 and 172.67.171.252.
other host names including ofu.co.nz, terakod.com, sega-club.eu, kjk.us and lytysk.com share IP numbers with columbsconcepts.com.
Name Servers
columbsconcepts.com is delegated to two name servers carlos.ns.cloudflare.com and yolanda.ns.cloudflare.com.
columbsconcepts.com shares the same name server setup as other domains, for instance efence.com.ar, madewellsoftware.com, nodechain-chancer.pages.dev, nodechains-chancer.pages.dev and sprinkleshoes.com.
columbsconcepts.com at least partially shares name servers with other domains, for instance cheuksblog.ca, karamax.net, wbabs.com, mangothreads.com and artcorenovation.fr.
these name servers are commonly used alongside bonnie.ns.cloudflare.com.
Host names with six IP numbers:
Host name carlos.ns.cloudflare.com points to: 2606:4700:58::a29f:2c70, 2803:f800:50::6ca2:c370, 2a06:98c1:50::ac40:2370, 108.162.195.112, 162.159.44.112 and 172.64.35.112.
Host name yolanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3af1, 2803:f800:50::6ca2:c0f1, 2a06:98c1:50::ac40:20f1, 108.162.192.241, 172.64.32.241 and 173.245.58.241.
Mail Servers
columbsconcepts.com is handled by a single mail server, _dc-mx.237d8c7b7895.columbsconcepts.com.
_dc-mx.237d8c7b7895.columbsconcepts.com resolves to IP 212.47.67.239.