cpp-tutorial.com - robtex.com
cpp-tutorial.com
| CNAME | cpp-tutorial.com.cdn.dnsv1.com | ||||||
| CNAME | bj114lkt.legotcb.sched.tdnsv8.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.6.37.177🇨🇳 CHINA169-Backbone123.4.0.0/14 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | hn.kd.ny.adsl | ||||||
| A | 123.6.40.119🇨🇳 CHINA169-Backbone123.4.0.0/14 CNC Group CHINA169 Henan Province Network | ||||||
| A | 221.204.18.218🇨🇳 CHINA169-Backbone221.204.0.0/15 CNC Group CHINA169 Shanxi Province Network | ||||||
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=1788092090 | ||||||
Same first word
cpp-tutorial.com |
Previous names
Next names
cpp-tx.com |
cpp-uk.com |
cpp-us.com |
cpp-usa.com |
cpp-usage-dashboard.com |
cpp-we.com |
cpp-world.com |
cpp00.com |
cpp001.com |
cpp0k.com |
cpp1.com |
cpp10.com |
cpp100.com |
cpp1000.com |
cpp101.com |
cpp11.com |
cpp114.com |
cpp118.com |
DNS History
11 records (3 active, 8 former)
●NSbartley.dnspod.net2026-08-22 → 2026-08-30 · 3 obs
○ 2017-03-19 13:50:18
● 2026-08-22 17:28:08
● 2026-08-30 12:19:18
● 2026-08-22 17:28:08
● 2026-08-30 12:19:18
●NSfoul.dnspod.net2026-08-22 → 2026-08-30 · 3 obs
○ 2017-03-19 13:50:18
● 2026-08-22 17:28:08
● 2026-08-30 12:19:18
● 2026-08-22 17:28:08
● 2026-08-30 12:19:18
○NSns51.1and1.com2015-07-08 → 2017-03-19 · 4 obs
● 2015-07-08 08:44:20
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○NSns52.1and1.com2015-07-08 → 2017-03-19 · 4 obs
● 2015-07-08 08:44:20
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○MXmx00.1and1.com2015-07-08 → 2017-03-19 · 4 obs
● 2015-07-08 08:44:20
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○MXmx01.1and1.com2015-07-08 → 2017-03-19 · 4 obs
● 2015-07-08 08:44:20
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○A216.250.120.1542016-07-19 → 2017-03-19 · 5 obs
○ 2016-03-06 21:49:00
● 2016-07-19 02:49:46
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2016-07-19 02:49:46
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○A2607:f1c0:1000:3068:3497:4596:38a4:480d2016-07-19 → 2017-03-19 · 5 obs
○ 2016-03-06 21:49:00
● 2016-07-19 02:49:46
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
● 2016-07-19 02:49:46
● 2017-03-19 13:50:18
○ 2026-08-22 17:28:08
○ 2026-08-30 12:19:18
○A2607:f1c0:1000:3068:b8ff:847c:2f05:e81e2015-07-08 → 2016-03-06 · 4 obs
● 2015-07-08 08:44:20
● 2016-03-06 21:49:00
○ 2016-07-19 02:49:46
○ 2026-08-30 12:19:18
● 2016-03-06 21:49:00
○ 2016-07-19 02:49:46
○ 2026-08-30 12:19:18
○A74.208.175.52015-07-08 → 2016-03-06 · 4 obs
● 2015-07-08 08:44:20
● 2016-03-06 21:49:00
○ 2016-07-19 02:49:46
○ 2026-08-30 12:19:18
● 2016-03-06 21:49:00
○ 2016-07-19 02:49:46
○ 2026-08-30 12:19:18
●CNAMEcpp-tutorial.com.cdn.dnsv1.com2026-08-22 → 2026-08-30 · 4 obs
● 2026-08-22 17:28:08
○ 2026-08-27 09:01:32
● 2026-08-27 16:36:20
● 2026-08-30 12:19:18
○ 2026-08-27 09:01:32
● 2026-08-27 16:36:20
● 2026-08-30 12:19:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net... | - |
| cpp-tutorial.com | foul.dnspod.net, bartley.dnspod.net | - |
✅ Authoritative Response
Server:101.227.168.35
NS records: foul.dnspod.net, bartley.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cpp-tutorial.com (unsigned zone)
⏱️ Timing
Total: 4134ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | bartley.dnspod.net, foul.dnspod.net |
| CNAME | 1 | cpp-tutorial.com.cdn.dnsv1.com |
| SOA | 1 | foul.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
cpp-tutorial.com resolves to three IP addresses: 123.6.37.177, 123.6.40.119 and 221.204.18.218.
Among the host names that share IP numbers with cpp-tutorial.com are 6tmqkvuk.legotcb.sched.tdnsv8.com, gyvyd8s3.legotcb.sched.tdnsv8.com, ruanjunjie.cn and two others.