school51nn.ru - robtex.com
school51nn.ru
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::6815:57e0πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:aafeπΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.87.224Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.170.254πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | joan.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3aadπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0adπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20adπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 108.162.192.173πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 172.64.32.173πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 173.245.58.173πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| NS | phil.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b89πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c189π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2189πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 108.162.193.137πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 172.64.33.137πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| A | 173.245.59.137πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phil.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.87.224, 172.67.170.254 | ||||||
| IPv6 hints | 2606:4700:3033::6815:57e0, 2606:4700:3037::ac43:aafe | ||||||
| SOA | joan.ns.cloudflare.comdns@cloudflare.com serial=2410301488 | ||||||
ru
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.dns.ripn.net β | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069845 | ||||||
rank #410 in the tld
π Tranco rank: #87,539
Same first word
school51nn.ru |
DNS History
10 records (6 active, 4 former)
βNSjoan.ns.cloudflare.com2026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βNSns1.nethouse.ru2019-12-19 β 2019-12-19 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βNSns2.nethouse.ru2019-12-19 β 2019-12-19 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βNSphil.ns.cloudflare.com2026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA104.21.87.2242026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA172.67.170.2542026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA185.84.110.842019-12-19 β 2019-12-19 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA185.84.110.852019-12-19 β 2019-12-19 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA2606:4700:3033::6815:57e02026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
βA2606:4700:3037::ac43:aafe2026-07-07 β 2026-08-02 Β· 3 obs
β 2026-07-07 10:14:40
β 2026-08-02 23:34:22
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| school51nn.ru | joan.ns.cloudflare.com, phil.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.193.137
NS records: joan.ns.cloudflare.com, phil.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for school51nn.ru (unsigned zone)
β±οΈ Timing
Total: 693ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.170.254, 104.21.87.224 |
| AAAA | 2 | 2606:4700:3037::ac43:aafe, 2606:4700:3033::6815:57e0 |
| NS | 2 | joan.ns.cloudflare.com, phil.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joan.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
school51nn.ru points to the four IP addresses 104.21.87.224, 172.67.170.254, 2606:4700:3033::6815:57e0 and 2606:4700:3037::ac43:aafe.
Among the host names that share IP numbers with school51nn.ru are vdsblog.cc, mostlynordic.com, sayitloudwearitproud.com and two others.
Name Servers
The NS records for school51nn.ru delegate to joan.ns.cloudflare.com and phil.ns.cloudflare.com.
school51nn.ru has the same name server delegation as a number of other domains, such as redprn.com, georges.com, cultureleaders.ru and two more.
At least some of school51nn.ru's name servers are shared with other domains, for example vlkn-slts.com, unblockedgame67.shop, beautyempties.com and two more.
It is common for these name servers to be used in conjunction with the name servers khalid.ns.cloudflare.com, vicente.ns.cloudflare.com and cameron.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
joan.ns.cloudflare.com maps to 108.162.192.173, 172.64.32.173, 173.245.58.173 and 3 additional IP addresses.
phil.ns.cloudflare.com maps to 108.162.193.137, 172.64.33.137, 173.245.59.137 and 3 additional IP addresses.