dub.is - robtex.com

dub.is

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
PTRip-76-76-21-21.defastlink.net
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=1736453318

is

DNSSEC🔒 Signed (DS record present)
NSa.nic.is ⭐
NSc.nic.is
NSd.nic.is
NSe.nic.is
NSf.nic.is
SOAa.nic.ishostmaster@isnic.is serial=1772040602

Same first word

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Similar names

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bud.co.nz
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DNS History

8 records (8 active, 0 former)

NSdns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA76.76.21.21
●NSdns1.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●NSdns2.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●MXeforward1.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●MXeforward2.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●MXeforward3.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●MXeforward4.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●MXeforward5.registrar-servers.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32
●A76.76.21.212026-03-23 → 2026-03-24 · 2 obs
● 2026-03-23 12:37:10
● 2026-03-24 01:26:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
isd.nic.is, c.nic.is, f.nic.is, e.nic.is...-
dub.isdns1.registrar-servers.com, dns2.registrar-servers.com-

✅ Authoritative Response

Server:156.154.133.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dub.is (unsigned zone)

⏱️ Timing

Total: 1700ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
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

dub.is points to a single IP: 76.76.21.21.

Other host names, for instance horizonconsulting.com.au, jacobfrantz.com, tenutasanguido.com, vport.com and lotusbistroca.com share IP numbers with dub.is.

Name Servers

dub.is's delegation is to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

dub.is shares the same name server configuration as other domains, such as intellicorpinc.com, sincera.us, brightside.foundation, vicfernandez.com and propelledu.com.

dub.is at least partially shares its name servers with other domains, for instance durling.info, socalsoccercenter.com, tomokiashida.com, adamortho.com and thereversemortgagecalculator.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers: dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200

Mail Servers

Five mail servers handle dub.is: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

dub.is shares some mail servers with other domains, including sugarwell.us, prohuman.us, cav104.com, themediamommy.com and 789bet.uno.

Host names with a single IP:

Host eforward1.registrar-servers.com points to: 162.255.118.51.

Host eforward2.registrar-servers.com points to: 162.255.118.52.

Host eforward3.registrar-servers.com points to: 162.255.118.51.

Host eforward4.registrar-servers.com points to: 162.255.118.52.

Host eforward5.registrar-servers.com points to: 162.255.118.51.

Hosts pointing to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com.

Hosts pointing to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com.