os51.top - robtex.com
os51.top
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:c0a9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:1479🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.20.121Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.192.169🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | laura.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 108.162.192.183🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 172.64.32.183🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 173.245.58.183🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| NS | seamus.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23b8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 108.162.195.184🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 162.159.44.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| A | 172.64.35.184🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | seamus.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.20.121, 172.67.192.169 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c0a9, 2606:4700:3035::6815:1479 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com | ||||||
| SOA | laura.ns.cloudflare.comdns@cloudflare.com serial=2403879162 | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | e.zdnscloud.cn | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-05-12_19:40:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1395791425 | ||||||
Same first word
Similar names
51so.com |
51os.com |
51os.club |
51so.cc |
so15.com |
so51.com |
s1o5.com |
51os.ph |
os15.com |
so15.org |
15os.com |
so51.de |
so51.net |
51os.cc |
15so.com |
os15.de |
DNS History
6 records (6 active, 0 former)
●NSlaura.ns.cloudflare.com2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
●NSseamus.ns.cloudflare.com2026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
●A104.21.20.1212026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
●A172.67.192.1692026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
●A2606:4700:3033::ac43:c0a92026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
●A2606:4700:3035::6815:14792026-05-11 → 2026-05-12 · 2 obs
● 2026-05-12 12:04:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com... | - |
| os51.top | laura.ns.cloudflare.com, seamus.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.183
NS records: laura.ns.cloudflare.com, seamus.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for os51.top (unsigned zone)
⏱️ Timing
Total: 1263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.192.169, 104.21.20.121 |
| AAAA | 2 | 2606:4700:3033::ac43:c0a9, 2606:4700:3035::6815:1479 |
| NS | 2 | laura.ns.cloudflare.com, seamus.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | laura.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
os51.top points to four IP numbers: 2606:4700:3033::ac43:c0a9, 2606:4700:3035::6815:1479, 104.21.20.121 and 172.67.192.169.
Other host names including costerus.com.br, pubg-4u-y.com, fnanapp.online, ym77.cn and levonorgestrel1day.top share IP numbers with os51.top.
Name Servers
os51.top's delegation uses two name servers, laura.ns.cloudflare.com and seamus.ns.cloudflare.com.
os51.top shares the same name server setup as other domains, for example xdxx6402.one, (0x736578)x14.com, zo60.top, e(0x706f726e)ers.top and iy131.top.
os51.top at least partially shares name servers with other domains, including evgmarketing.com, de-novo.it, krautmeister.de, anblik.dk and acc8c474c7e3f556.com.
these name servers are commonly used with augustus.ns.cloudflare.com, carter.ns.cloudflare.com, mike.ns.cloudflare.com and zoe.ns.cloudflare.com.
Host names with six IP numbers:
laura.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.
seamus.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb8, 2803:f800:50::6ca2:c3b8, 2a06:98c1:50::ac40:23b8, 108.162.195.184, 162.159.44.184 and 172.64.35.184.