cog-tr4.com - robtex.com
cog-tr4.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1547.awsdns-01.co.uk ⭐ | ||||||
| A | 2600:9000:5306:b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1547.awsdns-01.co.uk | ||||||
| A | 205.251.198.11🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1547.awsdns-01.co.uk | ||||||
| NS | ns-1167.awsdns-17.org | ||||||
| A | 2600:9000:5304:8f00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1167.awsdns-17.org | ||||||
| A | 205.251.196.143🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1167.awsdns-17.org | ||||||
| NS | ns-843.awsdns-41.net | ||||||
| A | 2600:9000:5303:4b00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-843.awsdns-41.net | ||||||
| A | 205.251.195.75🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-843.awsdns-41.net | ||||||
| NS | ns-92.awsdns-11.com | ||||||
| A | 2600:9000:5300:5c00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
| A | 205.251.192.92🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
| SOA | ns-1547.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1776181782 | ||||||
Subdomains
Same first word
cog-tr4.com |
DNS History
4 records (4 active, 0 former)
●NSns-1167.awsdns-17.org2026-03-19 → 2026-04-14 · 2 obs
● 2026-04-14 16:17:16
●NSns-1547.awsdns-01.co.uk2026-03-19 → 2026-04-14 · 2 obs
● 2026-04-14 16:17:16
●NSns-843.awsdns-41.net2026-03-19 → 2026-04-14 · 2 obs
● 2026-04-14 16:17:16
●NSns-92.awsdns-11.com2026-03-19 → 2026-04-14 · 2 obs
● 2026-04-14 16:17:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cog-tr4.com | ns-92.awsdns-11.com, ns-843.awsdns-41.net, ns-1547.awsdns-01.co.uk, ns-1167.awsdns-17.org | 1 record |
✅ Authoritative Response
Server:205.251.192.92
NS records: ns-92.awsdns-11.com, ns-843.awsdns-41.net, ns-1547.awsdns-01.co.uk, ns-1167.awsdns-17.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cog-tr4.com (unsigned zone)
⏱️ Timing
Total: 174ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1167.awsdns-17.org, ns-1547.awsdns-01.co.uk... |
| SOA | 1 | ns-1547.awsdns-01.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-92.awsdns-11.com)
Analysis
Hierarchy
cog-tr4.com is a parent of g.cog-tr4.com and t.cog-tr4.com.
Name Servers
cog-tr4.com is delegated to four name servers: ns-92.awsdns-11.com, ns-843.awsdns-41.net, ns-1167.awsdns-17.org and ns-1547.awsdns-01.co.uk.
cog-tr4.com at least partially shares name servers with other domains, for instance d2kx3er416ox5l.cloudfront.net, sbunetsyslabs.com, eposservice.com, datacaffe.com and jaydenjaymesvideos.com.
These name servers are commonly used with the following name servers: sdns3.ultradns.biz, sdns3.ultradns.com, ns-531.awsdns-02.net, sdns3.ultradns.net, ns-1499.awsdns-59.org, sdns3.ultradns.org, ns-1567.awsdns-03.co.uk, ns-621.awsdns-13.net, ns-1375.awsdns-43.org and ns-2011.awsdns-59.co.uk.
Host names with two IP numbers:
ns-92.awsdns-11.com points to 2600:9000:5300:5c00::1 and 205.251.192.92; ns-843.awsdns-41.net points to 2600:9000:5303:4b00::1 and 205.251.195.75; ns-1167.awsdns-17.org points to 2600:9000:5304:8f00::1 and 205.251.196.143; ns-1547.awsdns-01.co.uk points to 2600:9000:5306:b00::1 and 205.251.198.11.