dns03.opsource.net - robtex.com

dns03.opsource.net

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.91, 172.67.201.16
IPv6 hints2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com

opsource.net

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4a5b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c910🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.91Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.16🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfrank.ns.cloudflare.com ⭐
NStess.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.91, 172.67.201.16
IPv6 hints2606:4700:3032::6815:4a5b, 2606:4700:3035::ac43:c910
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOAfrank.ns.cloudflare.comdns@cloudflare.com serial=2402256245
WOT: SAFE (60/100)
WOT: SAFE (62/100)
📈 Tranco rank: #246,160

NS for

128.168.in-addr.arpa

Previously NS for

opsource.net
ood.opsource.net
sjc03.opsource.net
sjc01.opsource.net
it-cloud.opsource.net
opsourcecloud.net
mcp-services.net
4.128.168.in-addr.arpa
7.128.168.in-addr.arpa

Same first word

dns03.de
dns03.eu
dns03.com
dns03.nl
dns03.at

Similar names

dsn03.com
30dns.com
dns30.co.uk
dsn03.co
snd30.com
30dns.net
dsn03.cn
dsn30.com
snd30.fr
dns30.com

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.74.91172.67.201.162606:4700:3032::6815:4a5b2606:4700:3035::ac43:c910207.20.55.113
●A104.21.74.912026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-17 17:00:00
● 2026-04-24 08:18:42
●A172.67.201.162026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-17 17:00:00
● 2026-04-24 08:18:42
○A207.20.55.1132015-05-19 → 2017-08-29 · 4 obs
● 2015-05-19 18:33:40
● 2017-08-29 11:42:14
○ 2026-02-17 17:00:00
○ 2026-04-24 08:18:42
●A2606:4700:3032::6815:4a5b2026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-17 17:00:00
● 2026-04-24 08:18:42
●A2606:4700:3035::ac43:c9102026-04-24 → 2026-04-24 · 2 obs
○ 2026-02-17 17:00:00
● 2026-04-24 08:18:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...-
opsource.netfrank.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: 106ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.16, 104.21.74.91
AAAA22606:4700:3035::ac43:c910, 2606:4700:3032::6815:4a5b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Name Server Role

dns03.opsource.net serves as the name server for 128.168.in-addr.arpa.

Together with dns03.opsource.net, ns1-05.azure-dns.com, ns4-05.azure-dns.info and ns2-05.azure-dns.net are commonly used as name servers.

IP Addresses

dns03.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 www.futanari-(0x706f726e).com, util02.sjc03.opsource.net, loryzf.com, yefyy.com and eason57.com share IP numbers with dns03.opsource.net.