cpp-learning.com - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

cpp-learning.com

DNSSEC⚠️ Not signed
A183.181.88.77🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.
PTRsv8076.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXcpp-learning.com ⭐
A183.181.88.77🇯🇵 XSERVER-AS183.181.88.0/23 XSERVER Inc.
PTRsv8076.xserver.jp
TXTv=spf1 +a:sv8076.xserver.jp +a:cpp-learning.com +mx include:spf.sender.xserve...
SOAns1.xserver.jproot@xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1788086045

MX for

cpp-learning.com

Same first word

cpp-learning.com

Similar names

ppc-learning.pages.dev
pinnacle-grp.org
ppc-learning.com

Previous names

cpp-global.com
cpp-group.com
cpp-guide.com
cpp-hn.com
cpp-home.com
cpp-hong-kong.com
cpp-housing.com
cpp-hvac.com
cpp-in.com
cpp-india.com
cpp-info.com
cpp-it.com
cpp-jobs.com
cpp-journal.com
cpp-kaspersky.com

Next names

cpp-link.com
cpp-llc.com
cpp-lm.com
cpp-lp.com
cpp-ltd.com
cpp-luxury.com
cpp-malaysia.com
cpp-marketing.com
cpp-master.com
cpp-mc.com
cpp-metanoia.com
cpp-mvp.com
cpp-net.com
cpp-netlib.com
cpp-network.com
cpp-next.com
cpp-ny.com
cpp-nyc.com
cpp-official-app.com
cpp-one.com

DNS History

11 records (7 active, 4 former)

20192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpuns01.lolipop.jpuns02.lolipop.jpMXcpp-learning.commx01.lolipop.jpA183.181.88.77157.7.107.81
●NSns1.xserver.jp2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
●NSns2.xserver.jp2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
●NSns3.xserver.jp2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
●NSns4.xserver.jp2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
●NSns5.xserver.jp2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
○NSuns01.lolipop.jp2018-07-01 → 2018-07-01 · 3 obs
● 2018-07-01 14:55:22
○ 2026-08-28 10:14:38
○ 2026-08-30 10:41:52
○NSuns02.lolipop.jp2018-07-01 → 2018-07-01 · 3 obs
● 2018-07-01 14:55:22
○ 2026-08-28 10:14:38
○ 2026-08-30 10:41:52
●MXcpp-learning.com2026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52
○MXmx01.lolipop.jp2018-07-01 → 2018-07-01 · 3 obs
● 2018-07-01 14:55:22
○ 2026-08-28 10:14:38
○ 2026-08-30 10:41:52
○A157.7.107.812018-07-01 → 2018-07-01 · 3 obs
● 2018-07-01 14:55:22
○ 2026-08-28 10:14:38
○ 2026-08-30 10:41:52
●A183.181.88.772026-08-28 → 2026-08-30 · 3 obs
○ 2018-07-01 14:55:22
● 2026-08-28 10:14:38
● 2026-08-30 10:41:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...-
cpp-learning.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.39.247

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpp-learning.com (unsigned zone)

⏱️ Timing

Total: 1215ms | Queries: -

📄 Records

TypeCountSample Data
A1183.181.88.77
NS5ns4.xserver.jp, ns1.xserver.jp...
MX1cpp-learning.com (pri: 0)
TXT1v=spf1 +a:sv8076.xserver.jp +a:cpp-learn
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Mail Server Role

cpp-learning.com handles its own mail, functioning as its own mail server.

IP Addresses

cpp-learning.com resolves to just one IP address, 183.181.88.77.

Two other host names, along with xn--gckp2jwcra.com, permajyuku.com and minya3.net, also share IP numbers with cpp-learning.com.

Name Servers

cpp-learning.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

cpp-learning.com shares at least some of its name servers with other domains, including kurashinokufuu.com, whitebelier.com, toygun-kaitori.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

cpp-learning.com is served by just one mail server: cpp-learning.com.

cpp-learning.com resolves to 183.181.88.77 and no other IP number.