opa-china.com - robtex.com
opa-china.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:41de🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c183🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.65.222Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.131🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amanda.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| A | 173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amanda.ns.cloudflare.com | ||||||
| NS | colin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c34b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:234b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 108.162.195.75🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 162.159.44.75Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| A | 172.64.35.75🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | colin.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.65.222, 172.67.193.131 | ||||||
| IPv6 hints | 2606:4700:3034::6815:41de, 2606:4700:3035::ac43:c183 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com | ||||||
| SOA | amanda.ns.cloudflare.comdns@cloudflare.com serial=2404176555 | ||||||
com
| 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=1782569325 | ||||||
rank #397951 in the tld
Same first word
opa-china.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSamanda.ns.cloudflare.com2026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
●NScolin.ns.cloudflare.com2026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
●A104.21.65.2222026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
●A172.67.193.1312026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
●A2606:4700:3034::6815:41de2026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
●A2606:4700:3035::ac43:c1832026-05-17 → 2026-06-27 · 2 obs
● 2026-06-27 14:38:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| opa-china.com | amanda.ns.cloudflare.com, colin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.63
NS records: amanda.ns.cloudflare.com, colin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opa-china.com (unsigned zone)
⏱️ Timing
Total: 576ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.193.131, 104.21.65.222 |
| AAAA | 2 | 2606:4700:3034::6815:41de, 2606:4700:3035::ac43:c183 |
| NS | 2 | amanda.ns.cloudflare.com, colin.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amanda.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (amanda.ns.cloudflare.com, amanda.ns.cloudflare.com, amanda.ns.cloudflare.com...)
Analysis
IP Addresses
opa-china.com resolves to four IP addresses: 104.21.65.222, 172.67.193.131, 2606:4700:3034::6815:41de and 2606:4700:3035::ac43:c183.
Two other host names, along with www.128nn.top, 2krn.com.se and stellarnextcenter.sbs, also share IP numbers with opa-china.com.
Name Servers
opa-china.com is served by two delegated name servers, amanda.ns.cloudflare.com and colin.ns.cloudflare.com.
opa-china.com shares its NS records with other domains, for example fusenchina.com, boninichina.com, xpg55.com and two others.
opa-china.com shares at least some of its name servers with other domains, including global-commercials.com, impresionenlonas.com, algoritmika.az and two others.
These name servers are frequently paired with the name servers noor.ns.cloudflare.com and andy.ns.cloudflare.com.
DNS names with 6 IP addresses:
amanda.ns.cloudflare.com carries IP addresses 108.162.192.63, 172.64.32.63 and 173.245.58.63, with 3 other addresses beyond those.
colin.ns.cloudflare.com carries IP addresses 108.162.195.75, 162.159.44.75 and 172.64.35.75, with 3 other addresses beyond those.