biobus.cn - robtex.com

biobus.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d2c6πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:25acπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.37.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.210.198πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSpenny.ns.cloudflare.com ⭐
A2606:4700:50::a29f:267cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A2803:f800:50::6ca2:c27cπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpenny.ns.cloudflare.com
A2a06:98c1:50::ac40:227cπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRpenny.ns.cloudflare.com
A108.162.194.124πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A162.159.38.124Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
A172.64.34.124πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpenny.ns.cloudflare.com
NSsyeef.ns.cloudflare.com
A2606:4700:58::a29f:2ceeπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsyeef.ns.cloudflare.com
A2803:f800:50::6ca2:c3eeπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsyeef.ns.cloudflare.com
A2a06:98c1:50::ac40:23eeπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRsyeef.ns.cloudflare.com
A108.162.195.238πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsyeef.ns.cloudflare.com
A162.159.44.238Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsyeef.ns.cloudflare.com
A172.64.35.238πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsyeef.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.37.172, 172.67.210.198
IPv6 hints2606:4700:3031::ac43:d2c6, 2606:4700:3036::6815:25ac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOApenny.ns.cloudflare.comdns@cloudflare.com serial=2400601681

cn

DNSSECπŸ”’ Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034668346

Same first word

Similar names

DNS History

9 records (6 active, 3 former)

NSpenny.ns.cloudflare.comsyeef.ns.cloudflare.comns1.nowcndns.comns2.nowcndns.comA104.21.37.172172.67.210.1982606:4700:3031::ac43:d2c62606:4700:3036::6815:25ac177.211.81.125
β—‹NSns1.nowcndns.com2026-02-21 β†’ 2026-02-21 Β· 3 obs
● 2026-02-21 15:02:46
β—‹ 2026-04-12 01:19:16
β—‹ 2026-04-14 04:31:40
β—‹NSns2.nowcndns.com2026-02-21 β†’ 2026-02-21 Β· 3 obs
● 2026-02-21 15:02:46
β—‹ 2026-04-12 01:19:16
β—‹ 2026-04-14 04:31:40
●NSpenny.ns.cloudflare.com2026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40
●NSsyeef.ns.cloudflare.com2026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40
●A104.21.37.1722026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40
●A172.67.210.1982026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40
β—‹A177.211.81.1252026-02-21 β†’ 2026-02-21 Β· 3 obs
● 2026-02-21 15:02:46
β—‹ 2026-04-12 01:19:16
β—‹ 2026-04-14 04:31:40
●A2606:4700:3031::ac43:d2c62026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40
●A2606:4700:3036::6815:25ac2026-04-12 β†’ 2026-04-14 Β· 3 obs
β—‹ 2026-02-21 15:02:46
● 2026-04-12 01:19:16
● 2026-04-14 04:31:40

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
biobus.cnpenny.ns.cloudflare.com, syeef.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.34.124

NS records: penny.ns.cloudflare.com, syeef.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biobus.cn (unsigned zone)

⏱️ Timing

Total: 791ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.37.172, 172.67.210.198
AAAA22606:4700:3031::ac43:d2c6, 2606:4700:3036::6815:25ac
NS2penny.ns.cloudflare.com, syeef.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1penny.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