51icku.com - robtex.com
51icku.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:10b4🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:d73e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.180Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.62🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | elisabeth.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| A | 108.162.194.224🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| A | 162.159.38.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| A | 172.64.34.224🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elisabeth.ns.cloudflare.com | ||||||
| NS | henrik.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c369🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2369🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 108.162.195.105🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 162.159.44.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| A | 172.64.35.105🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | henrik.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.16.180, 172.67.215.62 | ||||||
| IPv6 | 2606:4700:3035::6815:10b4, 2606:4700:3035::ac43:d73e | ||||||
| SOA | elisabeth.ns.cloudflare.comdns@cloudflare.com serial=2399767871 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774431112 | ||||||
Same first word
51icku.com |
DNS History
6 records (6 active, 0 former)
●NSelisabeth.ns.cloudflare.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
●NShenrik.ns.cloudflare.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
●A104.21.16.1802026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
●A172.67.215.622026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
●A2606:4700:3035::6815:10b42026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
●A2606:4700:3035::ac43:d73e2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 10:00:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51icku.com | elisabeth.ns.cloudflare.com, henrik.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.105
NS records: elisabeth.ns.cloudflare.com, henrik.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51icku.com (unsigned zone)
⏱️ Timing
Total: 120ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.180, 172.67.215.62 |
| AAAA | 2 | 2606:4700:3035::6815:10b4, 2606:4700:3035::ac43:d73e |
| NS | 2 | elisabeth.ns.cloudflare.com, henrik.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | elisabeth.ns.cloudflare.com dns.cloudfla |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (elisabeth.ns.cloudflare.com, elisabeth.ns.cloudflare.com, elisabeth.ns.cloudflare.com...)
Analysis
IP Addresses
51icku.com resolves to four IPs: 2606:4700:3035::6815:10b4, 2606:4700:3035::ac43:d73e, 104.21.16.180 and 172.67.215.62.
Other host names such as investorplace.co, brandgeni.us, www.vypmgvwjvgztv.space, ch-zahlungssystem.com and www.danubius.sk share IP numbers with 51icku.com.
Name Servers
51icku.com is delegated to two name servers: elisabeth.ns.cloudflare.com and henrik.ns.cloudflare.com.
51icku.com uses the same name server setup as other domains, including clbtob.com, cdjndjs.com, ntyouli.com, yueze888.com and linxiaoqing.com.
At least part of the name servers for 51icku.com are shared with other domains, for instance dy3989.com, meiqiaotuan.com, galerinao.com, qmzbtv.com and websiet.nl.
These name servers are commonly used alongside ashley.ns.cloudflare.com and ian.ns.cloudflare.com.
Host names with six IP numbers:
elisabeth.ns.cloudflare.com points to: 2606:4700:50::a29f:26e0, 2803:f800:50::6ca2:c2e0, 2a06:98c1:50::ac40:22e0, 108.162.194.224, 162.159.38.224 and 172.64.34.224.
henrik.ns.cloudflare.com points to: 2606:4700:58::a29f:2c69, 2803:f800:50::6ca2:c369, 2a06:98c1:50::ac40:2369, 108.162.195.105, 162.159.44.105 and 172.64.35.105.