op4.co - robtex.com

op4.co

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSdns1.p05.nsone.net ⭐
A2620:4d:4000:6259:7:5:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p05.nsone.net
A198.51.44.5🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p05.nsone.net
NSdns2.p05.nsone.net
A2a00:edc0:6259:7:5::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p05.nsone.net
A198.51.45.5🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p05.nsone.net
NSdns3.p05.nsone.net
A2620:4d:4000:6259:7:5:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p05.nsone.net
A198.51.44.69🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p05.nsone.net
NSdns4.p05.nsone.net
A2a00:edc0:6259:7:5::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p05.nsone.net
A198.51.45.69🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p05.nsone.net
NSns01.squarespacedns.com
A45.54.22.1🇺🇸 NETACTUATE45.54.22.0/24
PTRns01.squarespacedns.com
NSns02.squarespacedns.com
A45.54.22.65🇺🇸 NETACTUATE45.54.22.0/24
PTRns02.squarespacedns.com
NSns03.squarespacedns.com
A45.54.22.129🇺🇸 NETACTUATE45.54.22.0/24
PTRns03.squarespacedns.com
NSns04.squarespacedns.com
A45.54.22.193🇺🇸 NETACTUATE45.54.22.0/24
PTRns04.squarespacedns.com
SOAdns1.p05.nsone.nethostmaster@nsone.net serial=1560453134

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759658308

Same first word

op4.com
op4.ru
op4.nl
op4.co
op4.ch
op4.org
op4.wtf
op4.de
op4.eu
op4.net

Similar names

4op.net
po4.nl
4op.top
o4p.pl
po4.com
4op.ru
p4o.com
4op.cn
po4.ch
4po.com
4po.ru
p4o.net
po4.be
4op.de
p4o.cz
po4.ru
p4o.de
4op.org
4po.us
4op.com
o4p.cn
po4.co.uk
po4.cash
po4.de
4po.de
po4.cn

DNS History

12 records (12 active, 0 former)

NSdns1.p05.nsone.netdns2.p05.nsone.netdns3.p05.nsone.netdns4.p05.nsone.netns01.squarespacedns.comns02.squarespacedns.comns03.squarespacedns.comns04.squarespacedns.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.145
●NSdns1.p05.nsone.net2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSdns2.p05.nsone.net2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSdns3.p05.nsone.net2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSdns4.p05.nsone.net2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSns01.squarespacedns.com2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSns02.squarespacedns.com2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSns03.squarespacedns.com2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●NSns04.squarespacedns.com2026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●A198.185.159.1442026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●A198.185.159.1452026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●A198.49.23.1442026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06
●A198.49.23.1452026-04-09 → 2026-05-15 · 2 obs
● 2026-04-09 02:12:46
● 2026-05-15 02:28:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, d.registrydns.co, a.registrydns.co, b.registrydns.co-
op4.cons01.squarespacedns.com, ns03.squarespacedns.com, dns2.p05.nsone.net, dns1.p05.nsone.net...-

✅ Authoritative Response

Server:198.51.44.69

NS records: ns01.squarespacedns.com, ns03.squarespacedns.com, dns2.p05.nsone.net, dns1.p05.nsone.net, ns02.squarespacedns.com, dns3.p05.nsone.net, ns04.squarespacedns.com, dns4.p05.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for op4.co (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.144...
NS8dns1.p05.nsone.net, dns2.p05.nsone.net...
SOA1dns1.p05.nsone.net hostmaster.nsone.net

Analysis

IP Addresses

op4.co maps to four IP numbers: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance lewismillerdesign.com, nipkowkobelt.com, spi10.com, tmsmllc.com and oteveryday.ca share IP numbers with op4.co.

Name Servers

op4.co delegates to eight name servers: ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net and dns4.p05.nsone.net.

op4.co partially shares name servers with other domains; examples include coffprinceton.org, kellymalka.com, fernandomalato.com, gracekimphotography.com and firstbaptistchurchonline.com.

These name servers are commonly used alongside dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, dns1.p08.nsone.net and dns2.p08.nsone.net.

Two IPs per host:

dns1.p05.nsone.net points to: 2620:4d:4000:6259:7:5:0:1 and 198.51.44.5

dns2.p05.nsone.net points to: 2a00:edc0:6259:7:5::2 and 198.51.45.5

dns3.p05.nsone.net points to: 2620:4d:4000:6259:7:5:0:3 and 198.51.44.69

dns4.p05.nsone.net points to: 2a00:edc0:6259:7:5::4 and 198.51.45.69

One IP per host:

ns01.squarespacedns.com points to: 45.54.22.1

ns02.squarespacedns.com points to: 45.54.22.65

ns03.squarespacedns.com points to: 45.54.22.129

ns04.squarespacedns.com points to: 45.54.22.193