by-cn.com - robtex.com
by-cn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:c4c6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:cf7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.247Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.198🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | carol.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a50🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c050🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2050🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| A | 108.162.192.80🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| A | 172.64.32.80🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| A | 173.245.58.80🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | carol.ns.cloudflare.com | ||||||
| NS | junade.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c1e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c31e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:231e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| A | 108.162.195.30🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| A | 162.159.44.30Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| A | 172.64.35.30🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | junade.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.12.247, 172.67.196.198 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:c4c6, 2606:4700:3037::6815:cf7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com | ||||||
| SOA | carol.ns.cloudflare.comdns@cloudflare.com serial=2403730384 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778745626 | ||||||
Same first word
by-cn.com |
Similar names
cn-yb.com |
ny-cb.net |
nb-cy.com |
nb-yc.cn |
n-cyb.com |
cn-by.com |
ny-cb.com |
ny-cb.cn |
nc-yb.com |
cy-nb.com |
yc-nb.com |
nb-yc.co.uk |
DNS History
14 records (6 active, 8 former)
●NScarol.ns.cloudflare.com2026-04-07 → 2026-05-14 · 3 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
● 2026-05-14 08:10:02
● 2026-04-07 13:46:58
● 2026-05-14 08:10:02
●NSjunade.ns.cloudflare.com2026-04-07 → 2026-05-14 · 3 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
● 2026-05-14 08:10:02
● 2026-04-07 13:46:58
● 2026-05-14 08:10:02
○NSns1.bluehost.com2015-08-21 → 2017-12-13 · 4 obs
● 2015-08-21 23:34:50
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
○NSns2.bluehost.com2015-08-21 → 2017-12-13 · 4 obs
● 2015-08-21 23:34:50
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
○MXmail.by-cn.com2015-08-21 → 2017-12-13 · 4 obs
● 2015-08-21 23:34:50
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
●A104.21.12.2472026-05-12 → 2026-05-14 · 3 obs
○ 2026-04-07 13:46:58
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
●A172.67.196.1982026-05-12 → 2026-05-14 · 3 obs
○ 2026-04-07 13:46:58
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
○A188.114.96.02026-04-07 → 2026-04-07 · 4 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
○A188.114.97.02026-04-07 → 2026-04-07 · 4 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
●A2606:4700:3035::ac43:c4c62026-05-12 → 2026-05-14 · 3 obs
○ 2026-04-07 13:46:58
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
●A2606:4700:3037::6815:cf72026-05-12 → 2026-05-14 · 3 obs
○ 2026-04-07 13:46:58
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
● 2026-05-12 20:51:36
● 2026-05-14 08:10:02
○A2a06:98c1:3120::2026-04-07 → 2026-04-07 · 4 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
○A2a06:98c1:3121::2026-04-07 → 2026-04-07 · 4 obs
○ 2017-12-13 12:01:00
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
● 2026-04-07 13:46:58
○ 2026-05-12 20:51:36
○ 2026-05-14 08:10:02
○A69.195.124.1912015-08-21 → 2017-12-13 · 4 obs
● 2015-08-21 23:34:50
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
● 2017-12-13 12:01:00
○ 2026-04-07 13:46:58
○ 2026-05-14 08:10:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| by-cn.com | carol.ns.cloudflare.com, junade.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.80
NS records: carol.ns.cloudflare.com, junade.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for by-cn.com (unsigned zone)
⏱️ Timing
Total: 257ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.196.198, 104.21.12.247 |
| AAAA | 2 | 2606:4700:3035::ac43:c4c6, 2606:4700:3037::6815:cf7 |
| NS | 2 | carol.ns.cloudflare.com, junade.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | carol.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (carol.ns.cloudflare.com, carol.ns.cloudflare.com, carol.ns.cloudflare.com...)
Analysis
IP Addresses
by-cn.com points to four IP numbers: 2606:4700:3035::ac43:c4c6, 2606:4700:3037::6815:cf7, 104.21.12.247 and 172.67.196.198.
Other host names including umz.ug, txmall.net, www.scriptscouts.com, smartbets.ca and iv.facica.edu.br share IP numbers with by-cn.com.
Name Servers
by-cn.com's delegation uses two name servers, carol.ns.cloudflare.com and junade.ns.cloudflare.com.
by-cn.com shares the same name server setup as other domains, for example btjkywj.com, gjasport.com, 31074.cc, 943cos.com and lan9.top.
by-cn.com at least partially shares name servers with other domains, including simocloud.com, lush.ba, ericriggleman.com, katsnetwork.com and 369900.com.
Host names with six IP numbers:
carol.ns.cloudflare.com points to: 2606:4700:50::adf5:3a50, 2803:f800:50::6ca2:c050, 2a06:98c1:50::ac40:2050, 108.162.192.80, 172.64.32.80 and 173.245.58.80.
junade.ns.cloudflare.com points to: 2606:4700:58::a29f:2c1e, 2803:f800:50::6ca2:c31e, 2a06:98c1:50::ac40:231e, 108.162.195.30, 162.159.44.30 and 172.64.35.30.