cotb.net - dns.ninja
cotb.net
net
| 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=1784104737 | ||||||
Subdomains
mail.cotb.net |
Same first word
Similar names
DNS History
22 records (7 active, 15 former)
○NSlewis.ns.cloudflare.com2026-03-07 → 2026-04-09 · 5 obs
● 2026-03-07 08:44:24
● 2026-04-09 12:07:22
○ 2026-04-12 00:20:04
○ 2026-07-15 09:00:34
○NSmagnolia.ns.cloudflare.com2026-03-07 → 2026-04-09 · 5 obs
● 2026-03-07 08:44:24
● 2026-04-09 12:07:22
○ 2026-04-12 00:20:04
○ 2026-07-15 09:00:34
○NSns19.domaincontrol.com2015-07-18 → 2017-03-22 · 4 obs
● 2017-03-22 09:28:14
○ 2026-02-17 11:26:14
○ 2026-07-15 09:00:34
○NSns20.domaincontrol.com2016-06-21 → 2017-03-22 · 5 obs
● 2016-06-21 12:30:24
● 2017-03-22 09:28:14
○ 2026-02-17 11:26:14
○ 2026-07-15 09:00:34
○NSns25.domaincontrol.com2026-04-12 → 2026-05-16 · 5 obs
● 2026-04-12 00:20:04
● 2026-05-16 12:37:46
○ 2026-06-04 08:17:44
○ 2026-07-15 09:00:34
○NSns26.domaincontrol.com2026-04-12 → 2026-05-16 · 5 obs
● 2026-04-12 00:20:04
● 2026-05-16 12:37:46
○ 2026-06-04 08:17:44
○ 2026-07-15 09:00:34
●NSns47.domaincontrol.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
●NSns48.domaincontrol.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
○NSns59.domaincontrol.com2026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 11:26:14
○ 2026-03-07 08:44:24
○ 2026-07-15 09:00:34
○NSns60.domaincontrol.com2026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 11:26:14
○ 2026-03-07 08:44:24
○ 2026-07-15 09:00:34
○MXmailstore1.secureserver.net2015-07-18 → 2017-03-22 · 4 obs
● 2017-03-22 09:28:14
○ 2026-02-17 11:26:14
○ 2026-07-15 09:00:34
●MXmx.zoho.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
●MXmx2.zoho.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
●MXmx3.zoho.com2026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
○MXsmtp.secureserver.net2015-07-18 → 2017-03-22 · 4 obs
● 2017-03-22 09:28:14
○ 2026-02-17 11:26:14
○ 2026-07-15 09:00:34
○A109.169.76.92026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 11:26:14
○ 2026-03-07 08:44:24
○ 2026-07-15 09:00:34
○A13.248.213.452026-04-12 → 2026-05-16 · 5 obs
● 2026-04-12 00:20:04
● 2026-05-16 12:37:46
○ 2026-06-04 08:17:44
○ 2026-07-15 09:00:34
●A13.248.243.52026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
○A50.63.202.612015-07-18 → 2017-03-22 · 4 obs
● 2017-03-22 09:28:14
○ 2026-02-17 11:26:14
○ 2026-07-15 09:00:34
●A76.223.105.2302026-07-13 → 2026-07-15 · 3 obs
● 2026-07-13 19:24:18
● 2026-07-15 09:00:34
○A76.223.67.1892026-04-12 → 2026-05-16 · 5 obs
● 2026-04-12 00:20:04
● 2026-05-16 12:37:46
○ 2026-06-04 08:17:44
○ 2026-07-15 09:00:34
○A83.229.17.1422026-03-07 → 2026-04-09 · 5 obs
● 2026-03-07 08:44:24
● 2026-04-09 12:07:22
○ 2026-04-12 00:20:04
○ 2026-07-15 09:00:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| cotb.net | ns47.domaincontrol.com, ns48.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.71.24
NS records: ns47.domaincontrol.com, ns48.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cotb.net (unsigned zone)
⏱️ Timing
Total: 270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns47.domaincontrol.com, ns48.domaincontrol.com |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 2 | zoho-verification=zb28770916.zmverify.zo, v=spf1 include:dc-8e814c8572._spfm.cotb. |
| SOA | 1 | ns47.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
mail.cotb.net is a subdomain of cotb.net.
IP Addresses
cotb.net points to the IP addresses 13.248.243.5 and 76.223.105.230
frutardente.com, rearings.com, emeraldbayrentals.com plus two other host names have IP numbers in common with cotb.net.
Name Servers
cotb.net is delegated to two name servers: ns47.domaincontrol.com and ns48.domaincontrol.com.
The name server configuration of cotb.net is shared with other domains, for instance prop3.org, senseofshore.co.uk, swiftbuilthomes.net and two others.
ns47.domaincontrol.com and ns48.domaincontrol.com each resolve to two IP addresses: ns47.domaincontrol.com points to 97.74.103.24 and 2603:5:2172::18, while ns48.domaincontrol.com points to 173.201.71.24 and 2603:5:2272::18.
Mail Servers
Mail for cotb.net is routed through three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
At least some of the mail servers used by cotb.net are shared with other domains: enanix.com, elite-mafia.net, zaogongen.com and two others among them.
mx2.zoho.com resolves to 204.141.33.44, while mx3.zoho.com and mx.zoho.com both resolve to 204.141.43.44.
mx3.zoho.com and mx.zoho.com are host names that each point to 204.141.43.44 IP addresses.