sjc01.opsource.net - robtex.com
sjc01.opsource.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.74.91, 172.67.201.16 | ||||||
| IPv6 hints | 2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com | ||||||
opsource.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | frank.ns.cloudflare.com ⭐ | ||||||
| NS | tess.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.74.91, 172.67.201.16 | ||||||
| IPv6 hints | 2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com | ||||||
| SOA | frank.ns.cloudflare.comdns@cloudflare.com serial=2402256245 | ||||||
WOT: SAFE (62/100)
📈 Tranco rank: #246,160
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns01.opsource.net2015-07-07 → 2018-03-02 · 4 obs
● 2015-07-07 22:37:10
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
○NSdns02.opsource.net2015-07-07 → 2018-03-02 · 4 obs
● 2015-07-07 22:37:10
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
○NSdns03.opsource.net2015-07-07 → 2018-03-02 · 4 obs
● 2015-07-07 22:37:10
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
○NSdns04.opsource.net2015-07-07 → 2018-03-02 · 4 obs
● 2015-07-07 22:37:10
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
● 2018-03-02 03:35:42
○ 2026-03-25 15:02:16
○ 2026-04-24 05:00:46
●A104.21.74.912026-04-24 → 2026-04-24 · 1 obs
● 2026-04-24 05:00:46
●A172.67.201.162026-04-24 → 2026-04-24 · 1 obs
● 2026-04-24 05:00:46
●A2606:4700:3032::6815:4a5b2026-04-24 → 2026-04-24 · 1 obs
● 2026-04-24 05:00:46
●A2606:4700:3035::ac43:c9102026-04-24 → 2026-04-24 · 1 obs
● 2026-04-24 05:00:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opsource.net | frank.ns.cloudflare.com, tess.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.227
NS records: frank.ns.cloudflare.com, tess.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opsource.net (unsigned zone)
⏱️ Timing
Total: 344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.201.16, 104.21.74.91 |
| AAAA | 2 | 2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
sjc01.opsource.net resolves to four IP numbers: 2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910, 104.21.74.91 and 172.67.201.16.
other host names for instance hospitalmanagementsystem.org, opsource.net, ns1.megacp.com.istenesversek.hu, dawningularity.com and mks.com.pl share IP numbers with sjc01.opsource.net.