cot.nl - dns.ninja
cot.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-05 22:30:01 +0000 (EPOCH 1785969001) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-05 #45 | ||||||
Subdomains
www.cot.nl |
Same first word
Similar names
DNS History
20 records (7 active, 13 former)
○NSa.aonns.com2016-11-28 → 2020-10-13 · 5 obs
● 2016-11-28 19:02:50
● 2020-10-13 20:14:02
○ 2026-03-01 09:36:00
○ 2026-08-05 23:33:54
○NSb.aonns.com2016-11-28 → 2020-10-13 · 5 obs
● 2016-11-28 19:02:50
● 2020-10-13 20:14:02
○ 2026-03-01 09:36:00
○ 2026-08-05 23:33:54
○NSgabe.ns.cloudflare.com2026-03-01 → 2026-05-01 · 5 obs
● 2026-03-01 09:36:00
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
○NSjacqueline.ns.cloudflare.com2026-03-01 → 2026-05-01 · 5 obs
● 2026-03-01 09:36:00
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
○NSjerry.emea.aon.com2015-07-31 → 2016-09-06 · 4 obs
● 2016-09-06 20:49:52
○ 2016-11-28 19:02:50
○ 2026-08-05 23:33:54
●NSns1.eurodns.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
●NSns2.eurodns.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
●NSns3.eurodns.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
●NSns4.eurodns.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
○NStom.emea.aon.com2015-07-31 → 2016-09-06 · 4 obs
● 2016-09-06 20:49:52
○ 2016-11-28 19:02:50
○ 2026-08-05 23:33:54
○MXcot-nl.mail.protection.outlook.com2015-07-31 → 2026-05-01 · 8 obs
● 2026-03-28 19:42:42
○ 2026-04-07 04:50:48
○ 2026-04-13 05:53:50
● 2026-04-21 23:35:24
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
●MXde-smtp-inbound-1.mimecast.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
●MXde-smtp-inbound-2.mimecast.com2026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
○A104.18.33.2072026-04-07 → 2026-05-01 · 5 obs
● 2026-04-07 04:50:48
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
○A157.84.40.662026-03-01 → 2026-03-28 · 5 obs
● 2026-03-01 09:36:00
● 2026-03-28 19:42:42
○ 2026-04-07 04:50:48
○ 2026-08-05 23:33:54
○A172.64.154.492026-04-07 → 2026-05-01 · 5 obs
● 2026-04-07 04:50:48
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
○A199.245.1.142015-07-31 → 2020-10-13 · 4 obs
● 2020-10-13 20:14:02
○ 2026-03-01 09:36:00
○ 2026-08-05 23:33:54
○A2606:4700:4404::6812:21cf2026-04-07 → 2026-05-01 · 5 obs
● 2026-04-07 04:50:48
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
○A2a06:98c1:3103::ac40:9a312026-04-07 → 2026-05-01 · 5 obs
● 2026-04-07 04:50:48
● 2026-05-01 02:51:22
○ 2026-05-01 09:34:00
○ 2026-08-05 23:33:54
●A80.92.65.1372026-05-01 → 2026-08-05 · 3 obs
● 2026-05-01 09:34:00
● 2026-08-05 23:33:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns1.dns.nl, ns3.dns.nl | - |
| cot.nl | ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com | - |
✅ Authoritative Response
Server:104.37.178.107
NS records: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cot.nl (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.92.65.137 |
| NS | 4 | ns1.eurodns.com, ns2.eurodns.com... |
| MX | 2 | de-smtp-inbound-2.mimecast.com (pri: 10), de-smtp-inbound-1.mimecast.com (pri: 10) |
| TXT | 1 | v=spf1 include:de._netblocks.mimecast.co |
| SOA | 1 | ns1.eurodns.com hostmaster.eurodns.com |
Analysis
Hierarchy
cot.nl serves as the parent of www.cot.nl.
IP Addresses
cot.nl has exactly one IP address — 80.92.65.137.
woca.es, raaco.info, interpari.com plus two other host names have IP numbers in common with cot.nl.
Name Servers
Four name servers handle the delegation for cot.nl: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com.
cot.nl has at least partial name server overlap with other domains, such as fineblanking-presses.com, blackflame.com, hubbco.com and two others.
ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and ns4.eurodns.com all point to exactly two IP numbers each: ns1.eurodns.com → 199.167.66.107 and 2610:1c8:b002::107; ns2.eurodns.com → 104.37.178.107 and 2610:1c8:b001::107; ns3.eurodns.com → 199.167.66.108 and 2610:1c8:b002::108; ns4.eurodns.com → 104.37.178.108 and 2610:1c8:b001::108.
Mail Servers
cot.nl uses two mail servers, de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com.
The mail server setup of cot.nl matches that of other domains such as audiminneapolis.com, tagblatt.de, collegiumsapientiae.de and two others.
The mail servers of cot.nl are at least partially shared with other domains, including seskwsepm03.astrazeneca.net.
de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com each resolve to two IP addresses: 194.104.108.22 and 194.104.110.22.
de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com are host names that each point to 194.104.108.22 IP addresses.
de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com are host names that each point to 194.104.110.22 IP addresses.