dulumu.cn - robtex.com

dulumu.cn

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d033πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::6815:5b14πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.91.20Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.208.51πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSlamar.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c8eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlamar.ns.cloudflare.com
A2803:f800:50::6ca2:c38eπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlamar.ns.cloudflare.com
A2a06:98c1:50::ac40:238eπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRlamar.ns.cloudflare.com
A108.162.195.142πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlamar.ns.cloudflare.com
A162.159.44.142Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlamar.ns.cloudflare.com
A172.64.35.142πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlamar.ns.cloudflare.com
NSleia.ns.cloudflare.com
A2606:4700:50::adf5:3ab8πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A2803:f800:50::6ca2:c0b8πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleia.ns.cloudflare.com
A2a06:98c1:50::ac40:20b8πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRleia.ns.cloudflare.com
A108.162.192.184πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A172.64.32.184πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
A173.245.58.184πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.91.20, 172.67.208.51
IPv6 hints2606:4700:3034::ac43:d033, 2606:4700:3035::6815:5b14
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOAlamar.ns.cloudflare.comdns@cloudflare.com serial=2406998954

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=2035040049

Same first word

DNS History

6 records (6 active, 0 former)

NSlamar.ns.cloudflare.comleia.ns.cloudflare.comA104.21.91.20172.67.208.512606:4700:3034::ac43:d0332606:4700:3035::6815:5b14
●NSlamar.ns.cloudflare.com2026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44
●NSleia.ns.cloudflare.com2026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44
●A104.21.91.202026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44
●A172.67.208.512026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44
●A2606:4700:3034::ac43:d0332026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44
●A2606:4700:3035::6815:5b142026-06-15 β†’ 2026-07-14 Β· 2 obs
● 2026-06-15 19:40:24
● 2026-07-14 14:41:44

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
dulumu.cnleia.ns.cloudflare.com, lamar.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.32.184

NS records: leia.ns.cloudflare.com, lamar.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dulumu.cn (unsigned zone)

⏱️ Timing

Total: 452ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.91.20, 172.67.208.51
AAAA22606:4700:3034::ac43:d033, 2606:4700:3035::6815:5b14
NS2lamar.ns.cloudflare.com, leia.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lamar.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

dulumu.cn directs to four IP numbers, which are 104.21.91.20, 172.67.208.51, 2606:4700:3034::ac43:d033 and 2606:4700:3035::6815:5b14.

Two other host names, along with www.trendart.net, bushdvd.com and sman1lempuingjaya.com, also share IP numbers with dulumu.cn.

Name Servers

Two name servers handle the delegation for dulumu.cn: lamar.ns.cloudflare.com and leia.ns.cloudflare.com.

dulumu.cn shares its NS records with other domains, for example blvi.cn, hagrids-maine-coons.de, lightship-band.de and two others.

At least some of dulumu.cn's name servers are shared with other domains, for example supplies2u.my, michaelbogdanow.com, skjichuang.com and two more.

The name servers osmar.ns.cloudflare.com, daniella.ns.cloudflare.com, phoenix.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

lamar.ns.cloudflare.com resolves to 108.162.195.142, 162.159.44.142 and 172.64.35.142 among others, with 3 other IP addresses in total.

leia.ns.cloudflare.com resolves to 108.162.192.184, 172.64.32.184 and 173.245.58.184 among others, with 3 other IP addresses in total.