sjc03.opsource.net - robtex.com
sjc03.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=218, 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=52, name=cloudflare-ech.com | ||||||
| SOA | frank.ns.cloudflare.comdns@cloudflare.com serial=2402256245 | ||||||
WOT: SAFE (62/100)
📈 Tranco rank: #246,160
Subdomains
util02.sjc03.opsource.net |
DNS History
9 records (4 active, 5 former)
○NSdns01.opsource.net2015-07-20 → 2016-11-15 · 4 obs
● 2015-07-20 09:43:46
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
○NSdns02.opsource.net2015-07-20 → 2016-11-15 · 4 obs
● 2015-07-20 09:43:46
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
○NSdns03.opsource.net2015-07-20 → 2016-11-15 · 4 obs
● 2015-07-20 09:43:46
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
○NSdns04.opsource.net2015-07-20 → 2016-11-15 · 4 obs
● 2015-07-20 09:43:46
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
●A104.21.74.912026-04-24 → 2026-04-24 · 3 obs
○ 2016-11-15 19:22:52
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
●A172.67.201.162026-04-24 → 2026-04-24 · 3 obs
○ 2016-11-15 19:22:52
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
○A209.34.95.202015-07-20 → 2016-11-15 · 4 obs
● 2015-07-20 09:43:46
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
● 2016-11-15 19:22:52
○ 2026-04-24 03:48:04
○ 2026-04-24 12:05:54
●A2606:4700:3032::6815:4a5b2026-04-24 → 2026-04-24 · 3 obs
○ 2016-11-15 19:22:52
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
●A2606:4700:3035::ac43:c9102026-04-24 → 2026-04-24 · 3 obs
○ 2016-11-15 19:22:52
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
● 2026-04-24 03:48:04
● 2026-04-24 12:05:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | g.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| opsource.net | frank.ns.cloudflare.com, tess.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.166
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: 309ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.201.16, 104.21.74.91 |
| AAAA | 2 | 2606:4700:3035::ac43:c910, 2606:4700:3032::6815:4a5b |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
Hierarchy
util02.sjc03.opsource.net has sjc03.opsource.net as its parent.
IP Addresses
sjc03.opsource.net maps 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 futanari-(0x706f726e).com, useurimagination.com, megacp.com.istenesversek.hu, goldenempireslot.ca and teamsterups401kplan.com share IP numbers with sjc03.opsource.net.