138sf.ru - robtex.com
138sf.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:24cc🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:c74b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.36.204Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.75🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | oswald.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| A | 173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oswald.ns.cloudflare.com | ||||||
| NS | penny.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:267c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 108.162.194.124🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 162.159.38.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 172.64.34.124🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.36.204, 172.67.199.75 | ||||||
| IPv6 hints | 2606:4700:3030::6815:24cc, 2606:4700:3031::ac43:c74b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com | ||||||
| SOA | oswald.ns.cloudflare.comdns@cloudflare.com serial=2400149226 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068487 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSoswald.ns.cloudflare.com2026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
●NSpenny.ns.cloudflare.com2026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
●A104.21.36.2042026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
●A172.67.199.752026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
●A2606:4700:3030::6815:24cc2026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
●A2606:4700:3031::ac43:c74b2026-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 12:40:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net... | - |
| 138sf.ru | oswald.ns.cloudflare.com, penny.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.218
NS records: oswald.ns.cloudflare.com, penny.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 138sf.ru (unsigned zone)
⏱️ Timing
Total: 583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.75, 104.21.36.204 |
| AAAA | 2 | 2606:4700:3030::6815:24cc, 2606:4700:3031::ac43:c74b |
| NS | 2 | oswald.ns.cloudflare.com, penny.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | oswald.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
138sf.ru points to four IP numbers: 2606:4700:3030::6815:24cc, 2606:4700:3031::ac43:c74b, 104.21.36.204 and 172.67.199.75.
Other host names, for instance allyachtsww.com, blackbirdrobin.com, www.wigsisfr.com, eaglegranite.com and policasas.com share IP numbers with 138sf.ru.
Name Servers
138sf.ru is delegated to two name servers: oswald.ns.cloudflare.com and penny.ns.cloudflare.com.
138sf.ru uses the same name server setup as other domains, for instance industryvalves.ru, pgzk2.com, osthammar.se, jozzulizzjo.ru and heby.eu.
138sf.ru shares name servers with other domains at least partially, for instance bistannp.co.in, lightmarkmedia.com, app-interlay.pages.dev, whvkool.com and 9500.net.
these name servers are often used together with the name servers donald.ns.cloudflare.com.
Host names with six IP numbers: oswald.ns.cloudflare.com points to 2606:4700:58::adf5:3bda, 2803:f800:50::6ca2:c1da, 2a06:98c1:50::ac40:21da, 108.162.193.218, 172.64.33.218 and 173.245.59.218; penny.ns.cloudflare.com points to 2606:4700:50::a29f:267c, 2803:f800:50::6ca2:c27c, 2a06:98c1:50::ac40:227c, 108.162.194.124, 162.159.38.124 and 172.64.34.124.