os91.net - robtex.com
os91.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:b0e6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:586c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.108Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.176.230🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coen.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c397🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2397🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 108.162.195.151🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 162.159.44.151Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| A | 172.64.35.151🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coen.ns.cloudflare.com | ||||||
| NS | violet.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| A | 108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| A | 172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| A | 173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | violet.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.88.108, 172.67.176.230 | ||||||
| IPv6 | 2606:4700:3030::ac43:b0e6, 2606:4700:3033::6815:586c | ||||||
| SOA | coen.ns.cloudflare.comdns@cloudflare.com serial=2397401544 | ||||||
net
| 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=1774384347 | ||||||
MX for
os91.net |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NScoen.ns.cloudflare.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
○NSns1.varishosting.com2015-06-26 → 2017-04-06 · 4 obs
● 2017-04-06 19:58:20
○ 2026-03-24 20:53:52
○ 2026-03-24 20:53:54
○NSns2.varishosting.com2015-06-26 → 2017-04-06 · 4 obs
● 2017-04-06 19:58:20
○ 2026-03-24 20:53:52
○ 2026-03-24 20:53:54
●NSviolet.ns.cloudflare.com2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
○MXos91.net2015-06-26 → 2017-04-06 · 4 obs
● 2017-04-06 19:58:20
○ 2026-03-24 20:53:52
○ 2026-03-24 20:53:54
●A104.21.88.1082026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
○A162.240.92.1322026-03-24 → 2026-03-24 · 2 obs
○ 2026-03-24 20:53:54
●A172.67.176.2302026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
○A198.89.120.1382015-06-26 → 2017-04-06 · 4 obs
● 2017-04-06 19:58:20
○ 2026-03-24 20:53:52
○ 2026-03-24 20:53:54
●A2606:4700:3030::ac43:b0e62026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
●A2606:4700:3033::6815:586c2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 20:53:52
● 2026-03-24 20:53:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| os91.net | violet.ns.cloudflare.com, coen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.151
NS records: violet.ns.cloudflare.com, coen.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for os91.net (unsigned zone)
⏱️ Timing
Total: 556ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.176.230, 104.21.88.108 |
| AAAA | 2 | 2606:4700:3033::6815:586c, 2606:4700:3030::ac43:b0e6 |
| NS | 2 | coen.ns.cloudflare.com, violet.ns.cloudflare.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coen.ns.cloudflare.com dns.cloudflare.co |
Analysis
Mail Server Role
os91.net serves as the mail server for os91.net.
IP Addresses
os91.net resolves to four IPs: 2606:4700:3030::ac43:b0e6, 2606:4700:3033::6815:586c, 104.21.88.108 and 172.67.176.230.
Other host names such as midrifthurinet.org, sxjyy.xin, 168-99.com, elchabaka.net and xtend-lang.org share IP numbers with os91.net.
Name Servers
os91.net is delegated to two name servers: coen.ns.cloudflare.com and violet.ns.cloudflare.com.
os91.net uses the same name server setup as other domains, including 30xt.cc, 84dx.cc, ghayti.com, 57ze.cc and globaltvnow.com.
At least part of the name servers for os91.net are shared with other domains, for instance ctcrossmedia.com, armadyne.systems, kurr.eu, xengi.org and jpoprecords.com.
These name servers are commonly used alongside dara.ns.cloudflare.com and reese.ns.cloudflare.com.
Host names with six IP numbers:
coen.ns.cloudflare.com points to: 2606:4700:58::a29f:2c97, 2803:f800:50::6ca2:c397, 2a06:98c1:50::ac40:2397, 108.162.195.151, 162.159.44.151 and 172.64.35.151.
violet.ns.cloudflare.com points to: 2606:4700:50::adf5:3aed, 2803:f800:50::6ca2:c0ed, 2a06:98c1:50::ac40:20ed, 108.162.192.237, 172.64.32.237 and 173.245.58.237.