cotan.com - dns.ninja
cotan.com
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=1782609090 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.mailbank.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●NSns1.mdnsservice.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●NSns2.mailbank.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●NSns2.mdnsservice.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●NSns3.mdnsservice.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●MXmx.netidentity.com.cust.hostedemail.com2015-06-25 → 2026-06-28 · 2 obs
● 2026-06-28 01:41:00
●A216.40.34.372026-03-28 → 2026-06-28 · 3 obs
● 2026-03-28 04:19:40
● 2026-06-28 01:41:00
○A64.99.80.1212015-06-25 → 2018-09-27 · 4 obs
● 2018-09-27 03:18:08
○ 2026-03-28 04:19:40
○ 2026-06-28 01:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| cotan.com | ns1.mailbank.com, ns2.mailbank.com | 2 records |
✅ Authoritative Response
Server:216.40.47.18
NS records: ns1.mailbank.com, ns2.mailbank.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cotan.com (unsigned zone)
⏱️ Timing
Total: 703ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.40.34.37 |
| NS | 5 | ns2.mailbank.com, ns3.mdnsservice.com... |
| MX | 2 | mx.netidentity.com.cust.hostedemail.com , mx.netidentity.com.cust.hostedemail.com |
| TXT | 1 | v=spf1 include:_spf.hostedemail.com ~all |
| SOA | 1 | ns1.mdnsservice.com hostmaster.mdnsservi |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.mailbank.com, ns2.mailbank.com)
Analysis
IP Addresses
cotan.com resolves to one IP address: 216.40.34.37.
node-c.vilette.com, dupont.net, herkt.com and two other host names share IP numbers with cotan.com.
Name Servers
cotan.com has five name servers, which are ns1.mailbank.com, ns2.mailbank.com, ns1.mdnsservice.com and two others.
The name servers of cotan.com overlap at least partially with those of other domains — among them allred.net, martinjan.com.emailmx.com, thecleaningman.net.emailmx.com and two more.
These name servers commonly appear alongside the name servers ns2.mdnsservice.com and ns3.mdnsservice.com.
Hostnames that resolve to two IP addresses:
The A records for ns1.mdnsservice.com return 216.40.47.18 and 2604:4000:0:d:216:40:47:18.
The A records for ns2.mdnsservice.com return 64.98.148.11 and 2604:4000:2800:d:64:99:148:11.
The A records for ns3.mdnsservice.com return 64.99.96.34 and 2604:4000:0:d:64:99:96:34.
Hosts with just one IP address:
ns1.mailbank.com resolves to the IP address 216.40.47.18.
ns2.mailbank.com resolves to the IP address 64.98.148.11.
ns1.mdnsservice.com and ns1.mailbank.com each have 216.40.47.18 IP addresses.
ns2.mdnsservice.com and ns2.mailbank.com each have 64.98.148.11 IP addresses.
Mail Servers
Mail for cotan.com is handled by a single mail server, mx.netidentity.com.cust.hostedemail.com.
cotan.com uses an identical mail server configuration to several other domains — among them kozak.de, wetzel.net, ruben.com and two more.
mx.netidentity.com.cust.hostedemail.com resolves to 216.40.42.4 and no other IP number.