ctdl.cc - robtex.com
ctdl.cc
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⚠️ Not in zone NS records | ||||||
| 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-edge.net ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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-edge.org ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1777194629 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.dnsimple.com2015-06-06 → 2026-04-26 · 2 obs
● 2026-04-26 09:29:02
○NSns1a.dnsimple.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-31 01:11:26
○ 2026-04-26 09:29:02
●NSns2.dnsimple-edge.net2026-04-08 → 2026-04-26 · 3 obs
● 2026-04-08 18:15:28
● 2026-04-26 09:29:02
○NSns2.dnsimple.com2015-06-06 → 2016-04-18 · 4 obs
● 2016-04-18 21:50:58
○ 2026-04-08 18:15:28
○ 2026-04-26 09:29:02
○NSns2a.dnsimple.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-31 01:11:26
○ 2026-04-26 09:29:02
●NSns3.dnsimple.com2015-06-06 → 2026-04-26 · 2 obs
● 2026-04-26 09:29:02
○NSns3a.dnsimple.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-31 01:11:26
○ 2026-04-26 09:29:02
●NSns4.dnsimple-edge.org2026-04-08 → 2026-04-26 · 3 obs
● 2026-04-08 18:15:28
● 2026-04-26 09:29:02
○NSns4.dnsimple.com2015-06-06 → 2016-04-18 · 4 obs
● 2016-04-18 21:50:58
○ 2026-04-08 18:15:28
○ 2026-04-26 09:29:02
○NSns4a.dnsimple.com2015-06-06 → 2015-06-06 · 3 obs
○ 2015-10-31 01:11:26
○ 2026-04-26 09:29:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac2.nstld.com, ac3.nstld.com, ac4.nstld.com, ac1.nstld.com | 8 records |
| ctdl.cc | ns2.dnsimple-edge.net, ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple-edge.org | - |
✅ Authoritative Response
Server:162.159.24.4
NS records: ns2.dnsimple-edge.net, ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple-edge.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctdl.cc (unsigned zone)
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ac4.nstld.com, ac3.nstld.com, ac2.nstld.com...)
Analysis
Name Servers
ctdl.cc is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.
ctdl.cc at least partially shares name servers with other domains such as atabags.com, xpt.com, slow-lifestyle.net, altishot.com and projetoaliancadobem.org.
These name servers are commonly used with ns2.dnsimple.com and ns4.dnsimple.com.
Host names with two IP numbers:
ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4
ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4
ns2.dnsimple-edge.net points to 2620:111:8005::53 and 199.247.153.53
ns4.dnsimple-edge.org points to 2620:111:8007::53 and 199.247.155.53