falvbu.cn - robtex.com

falvbu.cn

DNSSEC⚠️ Not signed
NSelisa.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2636🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A2803:f800:50::6ca2:c236🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2236🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelisa.ns.cloudflare.com
A108.162.194.54🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A162.159.38.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
A172.64.34.54🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelisa.ns.cloudflare.com
NSram.ns.cloudflare.com
A2606:4700:58::adf5:3be1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRram.ns.cloudflare.com
A2803:f800:50::6ca2:c1e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRram.ns.cloudflare.com
A2a06:98c1:50::ac40:21e1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRram.ns.cloudflare.com
A108.162.193.225🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRram.ns.cloudflare.com
A172.64.33.225🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRram.ns.cloudflare.com
A173.245.59.225🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRram.ns.cloudflare.com
MXmx.sina.net ⭐
A36.51.254.76🇨🇳 SINA36.51.254.0/24 Proxy-registered route object
MXmx.sinanet.com(10)
A36.51.254.76🇨🇳 SINA36.51.254.0/24 Proxy-registered route object
MXmx.entmail.sina.com(20)
A36.51.254.76🇨🇳 SINA36.51.254.0/24 Proxy-registered route object
TXTv=spf1 include:spf.sinamail.sina.com.cn -all
SOAelisa.ns.cloudflare.comdns@cloudflare.com serial=2403720341

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=2034776576

Same first word

falvbu.cn
falvbu.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSelisa.ns.cloudflare.comram.ns.cloudflare.comns11.xincache.comns12.xincache.comMXmx.entmail.sina.commx.sina.netmx.sinanet.comA192.168.1.100
●NSelisa.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs
○ 2026-03-08 14:07:28
● 2026-05-04 12:58:30
● 2026-05-11 02:01:24
○NSns11.xincache.com2026-03-08 → 2026-03-08 · 3 obs
● 2026-03-08 14:07:28
○ 2026-05-04 12:58:30
○ 2026-05-11 02:01:24
○NSns12.xincache.com2026-03-08 → 2026-03-08 · 3 obs
● 2026-03-08 14:07:28
○ 2026-05-04 12:58:30
○ 2026-05-11 02:01:24
●NSram.ns.cloudflare.com2026-05-04 → 2026-05-11 · 3 obs
○ 2026-03-08 14:07:28
● 2026-05-04 12:58:30
● 2026-05-11 02:01:24
●MXmx.entmail.sina.com2026-03-08 → 2026-05-11 · 2 obs
● 2026-03-08 14:07:28
● 2026-05-11 02:01:24
●MXmx.sina.net2026-03-08 → 2026-05-11 · 2 obs
● 2026-03-08 14:07:28
● 2026-05-11 02:01:24
●MXmx.sinanet.com2026-03-08 → 2026-05-11 · 2 obs
● 2026-03-08 14:07:28
● 2026-05-11 02:01:24
○A192.168.1.1002015-08-07 → 2017-09-27 · 4 obs
● 2015-08-07 16:33:14
● 2017-09-27 17:10:56
○ 2026-02-25 11:16:32
○ 2026-05-11 02:01:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...-
falvbu.cnram.ns.cloudflare.com, elisa.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.225

NS records: ram.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for falvbu.cn (unsigned zone)

⏱️ Timing

Total: 338ms | Queries: -

📄 Records

TypeCountSample Data
NS2elisa.ns.cloudflare.com, ram.ns.cloudflare.com
MX3mx.sinanet.com (pri: 10), mx.entmail.sina.com (pri: 20)...
TXT1v=spf1 include:spf.sinamail.sina.com.cn
SOA1elisa.ns.cloudflare.com dns.cloudflare.c

Analysis

Name Servers

falvbu.cn is delegated to two name servers: elisa.ns.cloudflare.com and ram.ns.cloudflare.com.

falvbu.cn uses the same name server setup as other domains, for instance cs49.com, cyroclaroiq.com, astraelevaivo.com, nexaterralo.com and celorbanova.com.

falvbu.cn shares name servers with other domains at least partially, for instance acrl.cn, sustainabletable.org, homedesignplus.com.au, italway.it and br-to.dev.

these name servers are often used together with the name servers max.ns.cloudflare.com.

Host names with six IP numbers: elisa.ns.cloudflare.com points to 2606:4700:50::a29f:2636, 2803:f800:50::6ca2:c236, 2a06:98c1:50::ac40:2236, 108.162.194.54, 162.159.38.54 and 172.64.34.54; ram.ns.cloudflare.com points to 2606:4700:58::adf5:3be1, 2803:f800:50::6ca2:c1e1, 2a06:98c1:50::ac40:21e1, 108.162.193.225, 172.64.33.225 and 173.245.59.225.

Mail Servers

falvbu.cn is handled by three mail servers: mx.sinanet.com, mx.sina.net and mx.entmail.sina.com.

falvbu.cn shares some mail servers with other domains, including galaxy-cargo.sinanet.com, craft-energy-news.sinanet.com, chinayutian.com, shftz.com and longhui.sina.net.

Host names with a single IP:

mx.sinanet.com points to 36.51.254.76.

mx.sina.net points to 36.51.254.76.

mx.entmail.sina.com points to 36.51.254.76.

Host names pointing to 36.51.254.76: mx.sinanet.com, mx.sina.net and mx.entmail.sina.com.