blbu.cn - robtex.com

blbu.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:2a74🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:a1a9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.42.116Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.169🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScris.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A2803:f800:50::6ca2:c3ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcris.ns.cloudflare.com
A2a06:98c1:50::ac40:23ca🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcris.ns.cloudflare.com
A108.162.195.202🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A162.159.44.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
A172.64.35.202🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcris.ns.cloudflare.com
NSsloan.ns.cloudflare.com
A2606:4700:50::a29f:2634🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A2803:f800:50::6ca2:c234🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsloan.ns.cloudflare.com
A2a06:98c1:50::ac40:2234🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsloan.ns.cloudflare.com
A108.162.194.52🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A162.159.38.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
A172.64.34.52🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsloan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.42.116, 172.67.161.169
IPv6 hints2606:4700:3033::6815:2a74, 2606:4700:3035::ac43:a1a9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOAcris.ns.cloudflare.comdns@cloudflare.com serial=2409510303

cn

DNSSEC🔒 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=2035058580

Same first word

blbu.cn

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DNS History

17 records (6 active, 11 former)

2017201820192020202120222023202420252026NScris.ns.cloudflare.comsloan.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comns3.dns.comns4.dns.comA104.21.42.116172.67.161.1692606:4700:3033::6815:2a742606:4700:3035::ac43:a1a9103.39.76.32606:4700:3030::ac43:a1a92606:4700:3034::6815:2a74
●NScris.ns.cloudflare.com2026-06-29 → 2026-07-19 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
● 2026-07-19 03:12:14
○NSdns1.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSdns2.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSdns3.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSdns4.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSdns5.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSdns6.iidns.com2016-03-29 → 2017-01-30 · 4 obs
● 2016-03-29 10:02:10
● 2017-01-30 21:25:10
○ 2018-10-14 08:50:46
○ 2026-07-19 03:12:14
○NSns3.dns.com2018-10-14 → 2018-10-14 · 4 obs
○ 2017-01-30 21:25:10
● 2018-10-14 08:50:46
○ 2026-06-29 21:22:46
○ 2026-07-19 03:12:14
○NSns4.dns.com2018-10-14 → 2018-10-14 · 4 obs
○ 2017-01-30 21:25:10
● 2018-10-14 08:50:46
○ 2026-06-29 21:22:46
○ 2026-07-19 03:12:14
●NSsloan.ns.cloudflare.com2026-06-29 → 2026-07-19 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
● 2026-07-19 03:12:14
○A103.39.76.32018-10-14 → 2018-10-14 · 3 obs
● 2018-10-14 08:50:46
○ 2026-06-29 21:22:46
○ 2026-07-19 03:12:14
●A104.21.42.1162026-06-29 → 2026-07-19 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
● 2026-07-19 03:12:14
●A172.67.161.1692026-06-29 → 2026-07-19 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
● 2026-07-19 03:12:14
○A2606:4700:3030::ac43:a1a92026-06-29 → 2026-06-29 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
○ 2026-07-19 03:12:14
●A2606:4700:3033::6815:2a742026-07-19 → 2026-07-19 · 2 obs
○ 2026-06-29 21:22:46
● 2026-07-19 03:12:14
○A2606:4700:3034::6815:2a742026-06-29 → 2026-06-29 · 3 obs
○ 2018-10-14 08:50:46
● 2026-06-29 21:22:46
○ 2026-07-19 03:12:14
●A2606:4700:3035::ac43:a1a92026-07-19 → 2026-07-19 · 2 obs
○ 2026-06-29 21:22:46
● 2026-07-19 03:12:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...-
blbu.cncris.ns.cloudflare.com, sloan.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.52

NS records: cris.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3381ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.161.169, 104.21.42.116
AAAA22606:4700:3033::6815:2a74, 2606:4700:3035::ac43:a1a9
NS2cris.ns.cloudflare.com, sloan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cris.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

blbu.cn points to the four IP addresses 104.21.42.116, 172.67.161.169, 2606:4700:3033::6815:2a74 and 2606:4700:3035::ac43:a1a9.

Among the host names that share IP numbers with blbu.cn are cool-waterfall-35c5.qe85lj1h.workers.dev, fulitv.cc, worx-uk.com and two others.

Name Servers

blbu.cn is delegated to two name servers: cris.ns.cloudflare.com and sloan.ns.cloudflare.com.

blbu.cn has the same name server delegation as a number of other domains, such as jaitao.com, kings-group.com.cn, dalumajiang.com and two more.

The name servers of blbu.cn overlap at least partially with those of other domains — among them superwinner.online, confirmation-id098123.com, fb777top.com and two more.

The name servers jamie.ns.cloudflare.com, trey.ns.cloudflare.com and alaric.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

cris.ns.cloudflare.com resolves to 108.162.195.202, 162.159.44.202, 172.64.35.202 and 3 other IP addresses.

sloan.ns.cloudflare.com resolves to 108.162.194.52, 162.159.38.52, 172.64.34.52 and 3 other IP addresses.