55851.co - robtex.com

55851.co

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:1b23🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a8de🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.35Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.222🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkay.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A2803:f800:50::6ca2:c07d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkay.ns.cloudflare.com
A2a06:98c1:50::ac40:207d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkay.ns.cloudflare.com
A108.162.192.125🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A172.64.32.125🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
A173.245.58.125🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkay.ns.cloudflare.com
NSolof.ns.cloudflare.com
A2606:4700:58::a29f:2c33🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolof.ns.cloudflare.com
A2803:f800:50::6ca2:c333🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRolof.ns.cloudflare.com
A2a06:98c1:50::ac40:2333🇺🇸 Cloudflare2a06:98c1:50::/45
PTRolof.ns.cloudflare.com
A108.162.195.51🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolof.ns.cloudflare.com
A162.159.44.51Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolof.ns.cloudflare.com
A172.64.35.51🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolof.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.35, 172.67.168.222
IPv6 hints2606:4700:3036::6815:1b23, 2606:4700:3036::ac43:a8de
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOAkay.ns.cloudflare.comdns@cloudflare.com serial=2400002430

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=1759634048

Same first word

55851.co

Similar names

15558.com.cn
85551.com
15558.cn
58155.xyz
18555.cc
15558.com
85515.cn
51585.com
85155.us
15855.cn
85155.xyz
85155.com
18555.cn
81555.com

DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NSkay.ns.cloudflare.comolof.ns.cloudflare.comA104.21.27.35172.67.168.2222606:4700:3036::6815:1b232606:4700:3036::ac43:a8de52.0.66.22752.204.48.16952.22.205.242CNAMEpr-co-suspensions.go.copr-suspensions.neuweb.bizreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com
●NSkay.ns.cloudflare.com2026-03-29 → 2026-04-14 · 2 obs
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
●NSolof.ns.cloudflare.com2026-03-29 → 2026-04-14 · 2 obs
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
●A104.21.27.352026-03-29 → 2026-04-14 · 3 obs
○ 2018-09-18 04:08:50
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
●A172.67.168.2222026-03-29 → 2026-04-14 · 3 obs
○ 2018-09-18 04:08:50
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
●A2606:4700:3036::6815:1b232026-03-29 → 2026-04-14 · 3 obs
○ 2018-09-18 04:08:50
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
●A2606:4700:3036::ac43:a8de2026-03-29 → 2026-04-14 · 3 obs
○ 2018-09-18 04:08:50
● 2026-03-29 09:58:38
● 2026-04-14 18:14:14
○A52.0.66.2272017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 06:10:34
○ 2018-09-18 04:08:50
○ 2026-04-14 18:14:14
○A52.204.48.1692017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 06:10:34
○ 2018-09-18 04:08:50
○ 2026-04-14 18:14:14
○A52.22.205.2422017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 06:10:34
○ 2018-09-18 04:08:50
○ 2026-04-14 18:14:14
○CNAMEpr-co-suspensions.go.co2017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 06:10:34
○ 2018-09-18 04:08:50
○ 2026-04-14 18:14:14
○CNAMEpr-suspensions.neuweb.biz2018-09-18 → 2018-09-18 · 4 obs
○ 2017-01-02 06:10:34
● 2018-09-18 04:08:50
○ 2026-03-29 09:58:38
○ 2026-04-14 18:14:14
○CNAMEreg-pr-web-suspensionpages-go-co-1680484254.us-east-1.elb.amazonaws.com2017-01-02 → 2017-01-02 · 3 obs
● 2017-01-02 06:10:34
○ 2018-09-18 04:08:50
○ 2026-04-14 18:14:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
55851.coolof.ns.cloudflare.com, kay.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.51

NS records: olof.ns.cloudflare.com, kay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 55851.co (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.168.222, 104.21.27.35
AAAA22606:4700:3036::6815:1b23, 2606:4700:3036::ac43:a8de
NS2kay.ns.cloudflare.com, olof.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kay.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

55851.co resolves to four IPs: 2606:4700:3036::6815:1b23, 2606:4700:3036::ac43:a8de, 104.21.27.35 and 172.67.168.222.

Other host names such as magnivorenta.sbs, nilayparikh.com, kargotakibi.org, sultanlido.org and portaldovaluation.com.br share IP numbers with 55851.co.

Name Servers

55851.co is delegated to two name servers: kay.ns.cloudflare.com and olof.ns.cloudflare.com.

55851.co uses the same name server setup as other domains, including 66195.co, 66378.co, 55761.co, 66551.co and 66169.co.

At least part of the name servers for 55851.co are shared with other domains, for instance corksupply.com, arrivemagazine.com, nova.ws, humio.ae and rfms.com.

These name servers are commonly used alongside the name servers opal.ns.cloudflare.com.

Host names with six IP numbers:

kay.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7d, 2803:f800:50::6ca2:c07d, 2a06:98c1:50::ac40:207d, 108.162.192.125, 172.64.32.125 and 173.245.58.125.

olof.ns.cloudflare.com points to: 2606:4700:58::a29f:2c33, 2803:f800:50::6ca2:c333, 2a06:98c1:50::ac40:2333, 108.162.195.51, 162.159.44.51 and 172.64.35.51.