concurrent.cd - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

concurrent.cd

DNSSEC⚠️ Not signed
A64.29.17.1πŸ‡ΊπŸ‡Έ Amazon64.29.17.0/24 EC2 Prefix
A216.198.79.1πŸ‡ΊπŸ‡Έ Amazon216.198.79.0/24 EC2 Prefix
NSns2.inwx.de ⭐
A2001:67c:10b8::104πŸ‡¨πŸ‡­ RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net
PTRns2.anycastdns.ch
PTRns2.inwx.ch
PTRns2.inwx.com
PTRns2.inwx.de
PTRb.xnameserver.de
PTRns2.inwx.es
PTRns.domrobot.net
PTRns2.inwx.net
A176.97.158.104πŸ‡¦πŸ‡Ή RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net
PTRns2.anycastdns.ch
PTRns2.inwx.ch
PTRns2.inwx.com
PTRns2.inwx.de
PTRb.xnameserver.de
PTRns2.inwx.es
PTRns.domrobot.net
PTRns2.inwx.net
NSns.inwx.de
A2001:67c:1bc::104πŸ‡¦πŸ‡Ή RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast
PTRns1.anycastdns.ch
PTRns.inwx.ch
PTRns.domrobot.com
PTRns.inwx.com
PTRns.inwx.de
PTRa.xnameserver.de
PTRns.inwx.es
PTRns.inwx.uk
A192.174.68.104πŸ‡¦πŸ‡Ή RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net
PTRns1.anycastdns.ch
PTRns.inwx.ch
PTRns.domrobot.com
PTRns.inwx.com
PTRns.inwx.de
PTRa.xnameserver.de
PTRns.inwx.es
PTRns.inwx.uk
NSns3.inwx.eu
A2a02:d500::53πŸ‡©πŸ‡ͺ INWX2a02:d500::/29
PTRc.xnameserver.de
PTRns3.inwx.eu
PTRns.domrobot.org
A45.87.158.53πŸ‡©πŸ‡ͺ INWX45.87.158.0/23
PTRc.xnameserver.de
PTRns3.inwx.eu
PTRns.domrobot.org
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c0b::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdd-in-f27.1e100.net
A2607:f8b0:4023:c0d::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A2607:f8b0:4023:c0d::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.26πŸ‡ΊπŸ‡Έ Google74.125.137.0/24
PTRdy-in-f26.1e100.net
A74.125.137.27πŸ‡ΊπŸ‡Έ Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.141.27πŸ‡ΊπŸ‡Έ Google142.250.141.0/24
PTRdd-in-f27.1e100.net
A142.251.2.26πŸ‡ΊπŸ‡Έ Google142.251.2.0/24
PTRdl-in-f26.1e100.net
A142.251.2.27πŸ‡ΊπŸ‡Έ Google142.251.2.0/24
PTRdl-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
SOAns.inwx.dehostmaster@inwx.de 2026-10-19 #3

cd

DNSSEC⚠️ Not signed
NSpch.nic.cd ⭐
NSgransy-anycast1.nic.cd
NSgransy-anycast2.nic.cd
TXTGeneration Time: 1794565857
SOApch.nic.cdnoc@nic.cd 2026-11-13 #10

Same first word

Similar names

Previous names

Next names

DNS History

6 records (6 active, 0 former)

NSns.inwx.dens2.inwx.dens3.inwx.euMXsmtp.google.comA216.198.79.164.29.17.1
●NSns.inwx.de2026-10-14 β†’ 2026-11-13 Β· 2 obs
● 2026-10-14 13:40:22
● 2026-11-13 11:23:24
●NSns2.inwx.de2026-10-14 β†’ 2026-11-13 Β· 2 obs
● 2026-10-14 13:40:22
● 2026-11-13 11:23:24
●NSns3.inwx.eu2026-10-14 β†’ 2026-11-13 Β· 2 obs
● 2026-10-14 13:40:22
● 2026-11-13 11:23:24
●MXsmtp.google.com2026-10-20 β†’ 2026-11-13 Β· 2 obs
● 2026-10-20 19:52:22
● 2026-11-13 11:23:24
●A216.198.79.12026-10-14 β†’ 2026-11-13 Β· 2 obs
● 2026-10-14 13:40:22
● 2026-11-13 11:23:24
●A64.29.17.12026-10-14 β†’ 2026-11-13 Β· 2 obs
● 2026-10-14 13:40:22
● 2026-11-13 11:23:24

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cdpch.nic.cd, gransy-anycast1.nic.cd, gransy-anycast2.nic.cd3 records
concurrent.cdns.inwx.de, ns2.inwx.de, ns3.inwx.eu-

βœ… Authoritative Response

Server:45.87.158.53

NS records: ns.inwx.de, ns2.inwx.de, ns3.inwx.eu

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cd (unsigned zone)

⏱️ Timing

Total: 1749ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A264.29.17.1, 216.198.79.1
NS3ns.inwx.de, ns2.inwx.de...
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.google.com ~all
SOA1ns.inwx.de hostmaster.inwx.de

πŸ“Œ Glue Records Collected

Total: 3

In-bailiwick: 3 (pch.nic.cd, gransy-anycast1.nic.cd, gransy-anycast2.nic.cd)

Analysis

IP Addresses

concurrent.cd has two IP addresses: 64.29.17.1 and 216.198.79.1

varanasilocalguide.com, graceskillacademy.in, cmv.solutions and two other host names share IP numbers with concurrent.cd.

Name Servers

Three name servers are authoritative for concurrent.cd: ns2.inwx.de, ns.inwx.de and ns3.inwx.eu.

There is at least partial name server overlap between concurrent.cd and other domains β€” wvon-minden.de, thyssen-krupp-euromaris.net, stefan-maciej.de and two more among them.

The name servers ns3.inwx.de, dns3.cloudns.net and dns4.cloudns.net are often found in combination with these name servers.

ns2.inwx.de resolves to 176.97.158.104 and 2001:67c:10b8::104. ns.inwx.de resolves to 192.174.68.104 and 2001:67c:1bc::104. ns3.inwx.eu resolves to 45.87.158.53 and 2a02:d500::53. All three hostnames point to two IP numbers each.

Mail Servers

Mail for concurrent.cd is handled by a single mail server, smtp.google.com.

concurrent.cd uses an identical mail server configuration to several other domains β€” among them xidnan.com, prospettivafelix.com, gatl.gr and two more.

Some mail servers of concurrent.cd are also used by other domains, notably inventivedigits.com and interqst.com.

smtp.google.com resolves to 9 IP addresses β€” 74.125.137.26, 74.125.137.27, 142.250.141.27 and 6 others.