pdnb.cn - robtex.com

pdnb.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:96c9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.90Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.201🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShouston.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c34🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A2803:f800:50::6ca2:c334🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhouston.ns.cloudflare.com
A2a06:98c1:50::ac40:2334🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhouston.ns.cloudflare.com
A108.162.195.52🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A162.159.44.52Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
A172.64.35.52🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhouston.ns.cloudflare.com
NSviolet.ns.cloudflare.com
A2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRviolet.ns.cloudflare.com
A2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRviolet.ns.cloudflare.com
A108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.90, 172.67.150.201
IPv6 hints2606:4700:3031::6815:5a, 2606:4700:3035::ac43:96c9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=0, name=cloudflare-ech.com
SOAhouston.ns.cloudflare.comdns@cloudflare.com serial=2409513092

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=2035160185

Previously NS for

pdnb.cn

Same first word

pdnb.com
pdnb.cn
pdnb.info

Similar names

bnpd.net
npdb.org
nbdp.com.cn
bpdn.be
nbpd.xyz
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npdb.de
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npdb.biz
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pbdn.com
dnpb.ch
pdbn.org
ndbp.com
npbd.ru
nbdp.net
bdnp.com
dnpb.net
pbdn.cn
nbpd.us
bdpn.pl
pbdn.eu
dnpb.gov.ua
npbd.com
npbd.net
nbpd.de
pbnd.fr
npdb.kr
pdbn.info
npbd.shop
bdpn.net
bpnd.cn
pnbd.com
nbpd.net
dbpn.df.gov.br
dbpn.com
bdpn.ru
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npdb.ru
dnbp.com
dpnb.eu
dnpb.com
bdpn.com
pndb.net
npdb.us
bndp.info
bnpd.de
bdnp.de
dbnp.nl

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NShouston.ns.cloudflare.comviolet.ns.cloudflare.comns1.nowcndns.comns2.nowcndns.compdnb.cnA104.21.0.90172.67.150.2012606:4700:3031::6815:5a2606:4700:3035::ac43:96c9103.28.47.150
●NShouston.ns.cloudflare.com2026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16
○NSns1.nowcndns.com2026-07-01 → 2026-07-01 · 4 obs
○ 2015-05-23 15:25:12
● 2026-07-01 16:30:06
○ 2026-08-09 15:40:14
○ 2026-08-09 15:40:16
○NSns2.nowcndns.com2026-07-01 → 2026-07-01 · 4 obs
○ 2015-05-23 15:25:12
● 2026-07-01 16:30:06
○ 2026-08-09 15:40:14
○ 2026-08-09 15:40:16
○NSpdnb.cn2015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 15:25:12
○ 2026-07-01 16:30:06
○ 2026-08-09 15:40:16
●NSviolet.ns.cloudflare.com2026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16
○A103.28.47.1502015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 15:25:12
○ 2026-07-01 16:30:06
○ 2026-08-09 15:40:16
●A104.21.0.902026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16
●A172.67.150.2012026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16
●A2606:4700:3031::6815:5a2026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16
●A2606:4700:3035::ac43:96c92026-08-09 → 2026-08-09 · 3 obs
○ 2026-07-01 16:30:06
● 2026-08-09 15:40:14
● 2026-08-09 15:40:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...-
pdnb.cnviolet.ns.cloudflare.com, houston.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.237

NS records: violet.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdnb.cn (unsigned zone)

⏱️ Timing

Total: 1218ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.0.90, 172.67.150.201
AAAA22606:4700:3031::6815:5a, 2606:4700:3035::ac43:96c9
NS2houston.ns.cloudflare.com, violet.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1houston.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

pdnb.cn has four IP addresses: 104.21.0.90, 172.67.150.201, 2606:4700:3031::6815:5a and 2606:4700:3035::ac43:96c9.

Two other host names, along with www.whchinese.org.cdn.cloudflare.net, www.ucl668.com and 586aaa.com, also share IP numbers with pdnb.cn.

Name Servers

pdnb.cn has two authoritative name servers — houston.ns.cloudflare.com and violet.ns.cloudflare.com.

pdnb.cn shares its NS records with other domains, for example videok.cn, youaite.cn, tumbrelibis.pro and two others.

pdnb.cn has at least partial name server overlap with other domains, such as avple.app, hualianer.com, btsmebel.kiev.ua and two others.

It is common to see these name servers used together with name servers reese.ns.cloudflare.com and ace.ns.cloudflare.com.

DNS names with 6 IP addresses:

houston.ns.cloudflare.com points to 108.162.195.52, 162.159.44.52, 172.64.35.52 and 3 other IP addresses.

violet.ns.cloudflare.com points to 108.162.192.237, 172.64.32.237, 173.245.58.237 and 3 other IP addresses.