biobus.cn - robtex.com
biobus.cn
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::ac43:d2c6πΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:25acπΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.37.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.210.198πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | penny.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::a29f:267cπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27cπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227cπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 108.162.194.124πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 162.159.38.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| A | 172.64.34.124πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | penny.ns.cloudflare.com | ||||||
| NS | syeef.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2ceeπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3eeπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23eeπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 108.162.195.238πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 162.159.44.238Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 172.64.35.238πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.37.172, 172.67.210.198 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:d2c6, 2606:4700:3036::6815:25ac | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com | ||||||
| SOA | penny.ns.cloudflare.comdns@cloudflare.com serial=2400601681 | ||||||
cn
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.dns.cn β | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net β οΈ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034668346 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
βNSns1.nowcndns.com2026-02-21 β 2026-02-21 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βNSns2.nowcndns.com2026-02-21 β 2026-02-21 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βNSpenny.ns.cloudflare.com2026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βNSsyeef.ns.cloudflare.com2026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βA104.21.37.1722026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βA172.67.210.1982026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βA177.211.81.1252026-02-21 β 2026-02-21 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βA2606:4700:3031::ac43:d2c62026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
βA2606:4700:3036::6815:25ac2026-04-12 β 2026-04-14 Β· 3 obs
β 2026-04-12 01:19:16
β 2026-04-14 04:31:40
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| biobus.cn | penny.ns.cloudflare.com, syeef.ns.cloudflare.com | - |
β Authoritative Response
Server:172.64.34.124
NS records: penny.ns.cloudflare.com, syeef.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for biobus.cn (unsigned zone)
β±οΈ Timing
Total: 791ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.37.172, 172.67.210.198 |
| AAAA | 2 | 2606:4700:3031::ac43:d2c6, 2606:4700:3036::6815:25ac |
| NS | 2 | penny.ns.cloudflare.com, syeef.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | penny.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
biobus.cn maps to four IP numbers: 2606:4700:3031::ac43:d2c6, 2606:4700:3036::6815:25ac, 104.21.37.172 and 172.67.210.198.
other host names include go-oregon.com, electrosanzhnos.com, centric1alliance.digital, 4203468241.cfd and clcstriders-runningclub.co.uk; they share IP numbers with biobus.cn.
Name Servers
Two name servers penny.ns.cloudflare.com and syeef.ns.cloudflare.com handle the delegation for biobus.cn.
biobus.cn shares the same name server setup as other domains, for instance topsale.cn, hngfc.cn, agreatplacetobe.co.uk, 66347.cn and qimila.cn.
biobus.cn at least partially shares name servers with other domains, for instance u11k.xyz, autoeurope.pt, krasivi.bg, panters.sk and holesail.io.
These name servers are commonly used with the following: ada.ns.cloudflare.com, donald.ns.cloudflare.com, tosana.ns.cloudflare.com and yolanda.ns.cloudflare.com.
Six IP addresses per host:
penny.ns.cloudflare.com points to 2606:4700:50::a29f:267c, 2803:f800:50::6ca2:c27c, 2a06:98c1:50::ac40:227c, 108.162.194.124, 162.159.38.124 and 172.64.34.124; syeef.ns.cloudflare.com points to 2606:4700:58::a29f:2cee, 2803:f800:50::6ca2:c3ee, 2a06:98c1:50::ac40:23ee, 108.162.195.238, 162.159.44.238 and 172.64.35.238