docker.dev - robtex.com

docker.dev

DNSSEC⚠️ Not signed
A162.255.119.181NAMCHEAP-PH162.255.119.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
NSdns1.registrar-servers.com
A2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
A156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar
PTRdns1.namecheaphosting.com
PTRdns1.registrar-servers.com
NSdns2.registrar-servers.com
A2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
A156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar
PTRdns2.namecheaphosting.com
PTRdns2.registrar-servers.com
MXeforward1.registrar-servers.com
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
SOAdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1573446289

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

10 records (8 active, 2 former)

20162017201820192020202120222023202420252026NSdns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comyour-dns-needs-immediate-attention.devA162.255.119.181127.0.53.53
NSdns1.registrar-servers.com2026-02-14 → 2026-07-03 · 2 obs
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
NSdns2.registrar-servers.com2026-02-14 → 2026-07-03 · 2 obs
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXeforward1.registrar-servers.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXeforward2.registrar-servers.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXeforward3.registrar-servers.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXeforward4.registrar-servers.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXeforward5.registrar-servers.com2026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04
MXyour-dns-needs-immediate-attention.dev2015-08-22 → 2017-08-23 · 4 obs
● 2015-08-22 20:17:58
● 2017-08-23 22:36:02
○ 2026-02-14 16:19:36
○ 2026-07-03 14:18:04
A127.0.53.532015-08-22 → 2017-08-23 · 4 obs
● 2015-08-22 20:17:58
● 2017-08-23 22:36:02
○ 2026-02-14 16:19:36
○ 2026-07-03 14:18:04
A162.255.119.1812026-02-14 → 2026-07-03 · 3 obs
○ 2017-08-23 22:36:02
● 2026-02-14 16:19:36
● 2026-07-03 14:18:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
docker.devdns2.registrar-servers.com, dns1.registrar-servers.com-

✅ Authoritative Response

Server:156.154.132.200

NS records: dns2.registrar-servers.com, dns1.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for docker.dev (unsigned zone)

⏱️ Timing

Total: 1403ms | Queries: -

📄 Records

TypeCountSample Data
A1162.255.119.181
NS2dns1.registrar-servers.com, dns2.registrar-servers.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT1v=spf1 include:spf.efwd.registrar-server
SOA1dns1.registrar-servers.com hostmaster.re

Analysis

IP Addresses

docker.dev has exactly one IP address — 162.255.119.181.

Name Servers

The NS records for docker.dev delegate to dns1.registrar-servers.com and dns2.registrar-servers.com.

dns1.registrar-servers.com resolves to 156.154.132.200 and 2610:a1:1024::200. Likewise, dns2.registrar-servers.com resolves to 156.154.133.200 and 2610:a1:1025::200 — two IP addresses apiece.

Mail Servers

Mail for docker.dev is handled by five mail servers, namely eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

Host names resolving to a single IP address:

eforward1.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward2.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward3.registrar-servers.com resolves to the IP address 162.255.118.51.

eforward4.registrar-servers.com resolves to the IP address 162.255.118.52.

eforward5.registrar-servers.com resolves to the IP address 162.255.118.51.

Three host names point to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

eforward2.registrar-servers.com and eforward4.registrar-servers.com each have 162.255.118.52 IP addresses.