go4.cr - robtex.com
go4.cr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.212.229.242🇨🇦 MOHAWK-INTERNET-AS66.212.224.0/20 Mohawk Internet Technologies | ||||||
| NS | sdns18.ultradns.com ⭐ | ||||||
| A | 2610:a1:1001::12🇺🇸 MAINT-ID-120082610:a1:1001::/48 Neustar | ||||||
| PTR | sdns18.ultradns.com | ||||||
| A | 156.154.140.18🇺🇸 MAINT-ID-12008156.154.140.0/24 Neustar | ||||||
| PTR | sdns18.ultradns.com | ||||||
| NS | sdns18.ultradns.biz | ||||||
| A | 2610:a1:1003::12🇺🇸 MAINT-ID-120082610:a1:1003::/48 Neustar | ||||||
| PTR | sdns18.ultradns.biz | ||||||
| A | 156.154.142.18🇺🇸 MAINT-ID-12008156.154.142.0/24 Neustar | ||||||
| PTR | sdns18.ultradns.biz | ||||||
| NS | sdns18.ultradns.net | ||||||
| A | 2610:a1:1002::12🇺🇸 MAINT-ID-120082610:a1:1002::/48 Neustar | ||||||
| PTR | sdns18.ultradns.net | ||||||
| A | 156.154.141.18🇺🇸 MAINT-ID-12008156.154.141.0/24 Neustar | ||||||
| PTR | sdns18.ultradns.net | ||||||
| NS | sdns18.ultradns.org | ||||||
| A | 2610:a1:1004::12🇺🇸 MAINT-ID-120082610:a1:1004::/48 Neustar | ||||||
| PTR | sdns18.ultradns.org | ||||||
| A | 156.154.143.18🇺🇸 MAINT-ID-12008156.154.143.0/24 Neustar | ||||||
| PTR | sdns18.ultradns.org | ||||||
| SOA | sdns18.ultradns.comadmin@esoltd.com 2016-05-11 #6 | ||||||
cr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.cr ⭐ | ||||||
| NS | a.lactld.org ⚠️ Not in parent delegation 🔒 | ||||||
| NS | ca1.nic.cr | ||||||
| NS | ca2.nic.cr | ||||||
| NS | de.nic.cr | ||||||
| NS | p.nic.cr | ||||||
| SOA | dns.nic.crti@nic.cr serial=1772230503 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSsdns18.ultradns.biz2017-03-29 → 2026-02-27 · 2 obs
● 2026-02-27 22:26:00
●NSsdns18.ultradns.com2017-03-29 → 2026-02-27 · 2 obs
● 2026-02-27 22:26:00
●NSsdns18.ultradns.net2017-03-29 → 2026-02-27 · 2 obs
● 2026-02-27 22:26:00
●NSsdns18.ultradns.org2017-03-29 → 2026-02-27 · 2 obs
● 2026-02-27 22:26:00
○A209.15.247.302017-03-29 → 2017-03-29 · 3 obs
○ 2021-09-11 08:59:10
○ 2026-02-27 22:26:00
○A66.212.229.1432021-09-11 → 2021-09-11 · 4 obs
● 2021-09-11 08:59:10
○ 2026-02-27 22:25:58
○ 2026-02-27 22:26:00
●A66.212.229.2422026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 22:25:58
● 2026-02-27 22:26:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cr | dns.nic.cr, ca1.nic.cr, a.lactld.org, de.nic.cr... | 12 records |
| go4.cr | sdns18.ultradns.org, sdns18.ultradns.biz, sdns18.ultradns.com, sdns18.ultradns.net | - |
✅ Authoritative Response
Server: 156.154.140.18
NS records: sdns18.ultradns.org, sdns18.ultradns.biz, sdns18.ultradns.com, sdns18.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for go4.cr (unsigned zone)
⏱️ Timing
Total: 713ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.212.229.242 |
| NS | 4 | sdns18.ultradns.biz, sdns18.ultradns.com... |
| SOA | 1 | sdns18.ultradns.com admin.esoltd.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 10 (dns.nic.cr, ca2.nic.cr, ca1.nic.cr...)
Out-of-bailiwick: 2 (a.lactld.org, a.lactld.org)
AI analysis
go4.cr resolves to one IP number: 66.212.229.242.
other host names including www.captaincookscasino.com, goldentigercasino.com, ukcasinoclub.se, virtualcitycasino.eu and www.casinoclassic.at share IP numbers with go4.cr.
go4.cr is delegated to four name servers: sdns18.ultradns.biz, sdns18.ultradns.com, sdns18.ultradns.net and sdns18.ultradns.org.
go4.cr at least partially shares name servers with other domains, for instance zodiac-casino.co.uk, rewardsaffiliates.com, crhelpdesk.com, integrityvu.com and blackjackballroomcasino.fr.
These name servers are commonly used alongside pdns1.ultradns.net, udns1.ultradns.net, pdns5.ultradns.info, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
Host names with two IP numbers:
sdns18.ultradns.biz points to 2610:a1:1003::12 and 156.154.142.18; sdns18.ultradns.com points to 2610:a1:1001::12 and 156.154.140.18; sdns18.ultradns.net points to 2610:a1:1002::12 and 156.154.141.18; sdns18.ultradns.org points to 2610:a1:1004::12 and 156.154.143.18.