cogentlighting.com - dns.ninja
cogentlighting.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.74.135.134🇮🇪 Amazon54.74.0.0/15 EC2 DUB prefix | ||||||
| PTR | ec2-54-74-135-134.eu-west-1.compute.amazonaws.com | ||||||
| NS | ns1.ext.lighting.com ⭐ | ||||||
| A | 2a01:ce89:8001:0:57:67:40:21🇫🇷 OBS-Internet2a01:ce89:8000::/36 FR country aggregate | ||||||
| PTR | ns1.ext.lighting.com | ||||||
| A | 57.67.40.21🇫🇷 OBS-Internet57.67.0.0/17 FR aggregate | ||||||
| NS | ns2.ext.lighting.com | ||||||
| A | 2a01:ce95:4001:100:57:77:21:77🇺🇸 OBS-Internet2a01:ce95:4000::/36 US North East country aggregate | ||||||
| PTR | ns2.ext.lighting.com | ||||||
| A | 57.77.21.77🇺🇸 SITA57.77.21.0/24 | ||||||
| PTR | ns2.ext.lighting.com | ||||||
| NS | ns3.ext.lighting.com | ||||||
| A | 2a01:ce9d:1:0:57:73:36:69🇸🇬 OBS-Internet2a01:ce9d::/36 SG country aggregate | ||||||
| PTR | ns3.ext.lighting.com | ||||||
| A | 57.73.36.69🇸🇬 OBS-Internet57.73.0.0/17 SG aggregate | ||||||
| PTR | ns3.ext.lighting.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.ext.lighting.comddi-authority@signify.com serial=69 | ||||||
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=1782641730 | ||||||
Subdomains
www.cogentlighting.com |
Same first word
cogentlighting.com |
cogentlighting.co.uk |
DNS History
14 records (4 active, 10 former)
○NSns.123-reg.co.uk2019-12-23 → 2019-12-23 · 4 obs
● 2019-12-23 08:44:10
○ 2026-03-10 07:05:14
○ 2026-06-28 10:37:48
●NSns1.ext.lighting.com2026-03-10 → 2026-06-28 · 3 obs
● 2026-03-10 07:05:14
● 2026-06-28 10:37:48
○NSns1.livedns.co.uk2015-07-07 → 2017-01-25 · 4 obs
● 2017-01-25 19:58:58
○ 2019-12-23 08:44:10
○ 2026-06-28 10:37:48
○NSns2.123-reg.co.uk2019-12-23 → 2019-12-23 · 4 obs
● 2019-12-23 08:44:10
○ 2026-03-10 07:05:14
○ 2026-06-28 10:37:48
●NSns2.ext.lighting.com2026-03-10 → 2026-06-28 · 3 obs
● 2026-03-10 07:05:14
● 2026-06-28 10:37:48
○NSns2.livedns.co.uk2015-07-07 → 2017-01-25 · 4 obs
● 2017-01-25 19:58:58
○ 2019-12-23 08:44:10
○ 2026-06-28 10:37:48
●NSns3.ext.lighting.com2026-03-10 → 2026-06-28 · 3 obs
● 2026-03-10 07:05:14
● 2026-06-28 10:37:48
○NSns3.livedns.co.uk2015-07-07 → 2017-01-25 · 4 obs
● 2017-01-25 19:58:58
○ 2019-12-23 08:44:10
○ 2026-06-28 10:37:48
○MXinterhost.ceag.de2019-12-23 → 2019-12-23 · 4 obs
● 2019-12-23 08:44:10
○ 2026-03-10 07:05:14
○ 2026-06-28 10:37:48
○MXinterhost14.ceag.de2019-12-23 → 2019-12-23 · 4 obs
● 2019-12-23 08:44:10
○ 2026-03-10 07:05:14
○ 2026-06-28 10:37:48
○MXmailserver.cogentlighting.com2015-07-07 → 2017-01-25 · 4 obs
● 2017-01-25 19:58:58
○ 2019-12-23 08:44:10
○ 2026-06-28 10:37:48
○A192.31.41.252019-12-23 → 2019-12-23 · 4 obs
● 2019-12-23 08:44:10
○ 2026-03-10 07:05:14
○ 2026-06-28 10:37:48
●A54.74.135.1342026-03-10 → 2026-06-28 · 3 obs
● 2026-03-10 07:05:14
● 2026-06-28 10:37:48
○A88.208.252.1722015-07-07 → 2017-01-25 · 4 obs
● 2017-01-25 19:58:58
○ 2019-12-23 08:44:10
○ 2026-06-28 10:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cogentlighting.com | ns1.ext.lighting.com, ns2.ext.lighting.com, ns3.ext.lighting.com | 6 records |
✅ Authoritative Response
Server:57.67.40.21
NS records: ns1.ext.lighting.com, ns2.ext.lighting.com, ns3.ext.lighting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cogentlighting.com (unsigned zone)
⏱️ Timing
Total: 4182ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.74.135.134 |
| NS | 3 | ns2.ext.lighting.com, ns1.ext.lighting.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.ext.lighting.com ddi-authority.signi |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.ext.lighting.com, ns1.ext.lighting.com, ns2.ext.lighting.com...)
Analysis
Hierarchy
The domain www.cogentlighting.com falls under the parent cogentlighting.com.
IP Addresses
cogentlighting.com resolves to just one IP address, 54.74.135.134.
Two other host names, along with signify.it, www.signify.career and corelite.com, also share IP numbers with cogentlighting.com.
Name Servers
The authoritative name servers for cogentlighting.com are ns1.ext.lighting.com, ns2.ext.lighting.com and ns3.ext.lighting.com — three in total.
At least some of cogentlighting.com's name servers are shared with other domains, for example bodine.com, livingtiles.com, solulux.com and two more.
ns1.ext.lighting.com, ns2.ext.lighting.com and ns3.ext.lighting.com all resolve to exactly two IP numbers apiece: ns1.ext.lighting.com → 57.67.40.21 and 2a01:ce89:8001:0:57:67:40:21; ns2.ext.lighting.com → 57.77.21.77 and 2a01:ce95:4001:100:57:77:21:77; ns3.ext.lighting.com → 57.73.36.69 and 2a01:ce9d:1:0:57:73:36:69.