cotacs.com - dns.ninja
cotacs.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=1786148639 | ||||||
Subdomains
mail.cotacs.com |
Same first word
cotacs.com |
Similar names
DNS History
9 records (6 active, 3 former)
○NSns1.amtex.nl2015-06-02 → 2017-05-26 · 4 obs
● 2017-05-26 15:12:04
○ 2026-02-17 03:31:52
○ 2026-08-08 00:33:32
●NSns1.internettoday.nl2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 03:31:52
● 2026-08-08 00:33:32
●NSns2.internettoday.com2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 03:31:52
● 2026-08-08 00:33:32
○NSns3.amtex.nl2015-06-02 → 2017-05-26 · 4 obs
● 2017-05-26 15:12:04
○ 2026-02-17 03:31:52
○ 2026-08-08 00:33:32
●NSns3.internettoday.eu2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 03:31:52
● 2026-08-08 00:33:32
●MXmail.cotacs.com2015-06-02 → 2026-08-08 · 2 obs
● 2026-08-08 00:33:32
●A2a02:cc8::102:452026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 03:31:52
● 2026-08-08 00:33:32
○A85.17.202.1662015-06-02 → 2017-05-26 · 4 obs
● 2017-05-26 15:12:04
○ 2026-02-17 03:31:52
○ 2026-08-08 00:33:32
●A87.236.102.452026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 03:31:52
● 2026-08-08 00:33:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net... | - |
| cotacs.com | ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu | 2 records |
✅ Authoritative Response
Server:185.145.63.233
NS records: ns1.internettoday.nl, ns2.internettoday.com, ns3.internettoday.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 743ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.236.102.45 |
| AAAA | 1 | 2a02:cc8::102:45 |
| NS | 3 | ns3.internettoday.eu, ns2.internettoday.com... |
| MX | 1 | mail.cotacs.com (pri: 10) |
| TXT | 2 | MS=ms87877539, v=spf1 a mx include:spamfilterserver.com |
| SOA | 1 | ns1.internettoday.nl hostmaster.cotacs.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.internettoday.com, ns2.internettoday.com)
Analysis
Hierarchy
cotacs.com serves as the parent of mail.cotacs.com.
IP Addresses
cotacs.com resolves to the IP addresses 87.236.102.45 and 2a02:cc8::102:45
dorpskalender.be, mail.airboss.be, mail.openivef.org plus two other host names have IP numbers in common with cotacs.com.
Name Servers
Three name servers are authoritative for cotacs.com: ns2.internettoday.com, ns3.internettoday.eu and ns1.internettoday.nl.
cotacs.com has at least partial name server overlap with other domains, such as e8pad.info, aniva.nl, letter-tech.com and two others.
These name servers tend to appear together with the name servers ns3.thednscompany.com, ns1.thednscompany.com and ns2.thednscompany.com, plus two others.
ns2.internettoday.com resolves to 37.48.115.145 and 2001:1af8:4700:a112:13::50. ns3.internettoday.eu resolves to 149.210.192.124 and 2a01:7c8:aab5:5b3::1. ns1.internettoday.nl resolves to 185.145.63.233 and 2a02:cc9:0:63::233. All three hostnames point to two IP numbers each.
Mail Servers
cotacs.com uses one mail server — mail.cotacs.com.
mail.cotacs.com has two IP addresses: 87.236.102.45 and 2a02:cc8::102:45.