columbus-co.com - robtex.com
columbus-co.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.201.58.146🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | srv9.exclusive-identity.com | ||||||
| NS | ns1.tss-est.net ⭐ | ||||||
| A | 138.201.58.146🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | srv9.exclusive-identity.com | ||||||
| NS | ns2.tss-est.net | ||||||
| A | 138.201.58.146🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | srv9.exclusive-identity.com | ||||||
| MX | columbus-co.com ⭐ | ||||||
| A | 138.201.58.146🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | srv9.exclusive-identity.com | ||||||
| TXT | v=spf1 ip4:138.201.58.146 ip4:138.201.58.144 +a +mx +ip4:88.99.67.119 +ip4:95... | ||||||
| SOA | ns1.tss-est.netmhd@shadi.alhasan.gmail.com 2026-05-13 #2 | ||||||
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=1778660821 | ||||||
MX for
columbus-co.com |
Same first word
columbus-co.net |
columbus-co.com |
DNS History
7 records (4 active, 3 former)
○NSns1.serverhome.com2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-26 20:15:50
○ 2026-05-13 08:29:02
●NSns1.tss-est.net2026-03-26 → 2026-05-13 · 3 obs
● 2026-03-26 10:14:14
● 2026-05-13 08:29:02
○NSns2.serverhome.com2008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-26 20:15:50
○ 2026-05-13 08:29:02
●NSns2.tss-est.net2026-03-26 → 2026-05-13 · 3 obs
● 2026-03-26 10:14:14
● 2026-05-13 08:29:02
●MXcolumbus-co.com2026-03-26 → 2026-05-13 · 2 obs
● 2026-05-13 08:29:02
●A138.201.58.1462026-03-26 → 2026-05-13 · 3 obs
● 2026-03-26 10:14:14
● 2026-05-13 08:29:02
○A66.45.246.1382008-03-12 → 2008-03-12 · 3 obs
○ 2015-10-26 20:15:50
○ 2026-05-13 08:29:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net... | - |
| columbus-co.com | ns1.tss-est.net, ns2.tss-est.net | - |
✅ Authoritative Response
Server:138.201.58.146
NS records: ns1.tss-est.net, ns2.tss-est.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for columbus-co.com (unsigned zone)
⏱️ Timing
Total: 616ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.201.58.146 |
| NS | 2 | ns2.tss-est.net, ns1.tss-est.net |
| MX | 1 | columbus-co.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:138.201.58.146 ip4:138.201.58 |
| SOA | 1 | ns1.tss-est.net mhd.shadi.alhasan.gmail. |
Analysis
Mail Server Role
For columbus-co.com, the mail server is columbus-co.com.
IP Addresses
columbus-co.com resolves to one IP number: 138.201.58.146.
other host names including mahfouzgroup.net, ns2.tss-est.net, ultra-pedia.com, evastores.com and makki-int.com share IP numbers with columbus-co.com.
Name Servers
columbus-co.com is delegated to two name servers ns1.tss-est.net and ns2.tss-est.net.
columbus-co.com shares the same name server setup as other domains, for instance barakatchocolate.com, adampharmainv.com, 400-sy.com, elsaad.com and gomial.com.
Host names with a single IP:
ns1.tss-est.net points to 138.201.58.146.
ns2.tss-est.net points to 138.201.58.146.
Host names pointing to 138.201.58.146: ns1.tss-est.net and ns2.tss-est.net.
Mail Servers
columbus-co.com is served by a single mail server, columbus-co.com.
columbus-co.com resolves to IP 138.201.58.146.