cognitects.com - robtex.com
cognitects.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.131.150.69🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix | ||||||
| PTR | ec2-3-131-150-69.us-east-2.compute.amazonaws.com | ||||||
| NS | ns1.dnsimple.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple.com | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple.com | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
| SOA | ns1.dnsimple.comadmin@dnsimple.com 2013-07-29 #2 | ||||||
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=1778415661 | ||||||
Same first word
cognitects.com |
DNS History
7 records (5 active, 2 former)
●NSns1.dnsimple.com2015-05-12 → 2026-05-10 · 2 obs
● 2026-05-10 12:41:18
●NSns2.dnsimple.com2015-05-12 → 2026-05-10 · 2 obs
● 2026-05-10 12:41:18
●NSns3.dnsimple.com2015-05-12 → 2026-05-10 · 2 obs
● 2026-05-10 12:41:18
●NSns4.dnsimple.com2015-05-12 → 2026-05-10 · 2 obs
● 2026-05-10 12:41:18
○A128.199.34.1162017-03-30 → 2017-03-30 · 4 obs
● 2017-03-30 09:34:40
○ 2026-04-08 22:32:34
○ 2026-05-10 12:41:18
●A3.131.150.692026-04-08 → 2026-05-10 · 3 obs
● 2026-04-08 22:32:34
● 2026-05-10 12:41:18
○A50.31.225.932015-05-12 → 2016-09-10 · 4 obs
● 2016-09-10 04:12:06
○ 2017-03-30 09:34:40
○ 2026-05-10 12:41:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net... | - |
| cognitects.com | ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com | 8 records |
✅ Authoritative Response
Server:199.247.155.53
NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cognitects.com (unsigned zone)
⏱️ Timing
Total: 239ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.131.150.69 |
| NS | 4 | ns1.dnsimple.com, ns2.dnsimple.com... |
| SOA | 1 | ns1.dnsimple.com admin.dnsimple.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)
Analysis
IP Addresses
cognitects.com points to a single IP: 3.131.150.69.
Other host names, for instance bitcoinrt.info, ancelic.ca, antiques-uzal.com, artisticpeturns.com and flowsnap.com share IP numbers with cognitects.com.
Name Servers
cognitects.com's delegation is handled by four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.
cognitects.com partially shares name servers with other domains; examples include mergershark.com, nadaarts.com, madisonruby.com, redotour.pl and squads.com.
These name servers are often used with the name servers ns4.dnsimple-edge.org and ns2.dnsimple-edge.net.
Host names with two IPs:
ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4
ns2.dnsimple.com points to 2620:111:8005::53 and 199.247.153.53
ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4
ns4.dnsimple.com points to 2620:111:8007::53 and 199.247.155.53