2540.com.cn - robtex.com

2540.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:5e8e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:88da🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.94.142Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.136.218🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A2803:f800:50::6ca2:c14c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrett.ns.cloudflare.com
A2a06:98c1:50::ac40:214c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrett.ns.cloudflare.com
A108.162.193.76🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A172.64.33.76🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A173.245.59.76🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
NSdorthy.ns.cloudflare.com
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.94.142, 172.67.136.218
IPv6 hints2606:4700:3035::6815:5e8e, 2606:4700:3037::ac43:88da
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=50, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2400048648

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030543911
WOT: NOT_SAFE (20/100)

Same first word

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2540.net
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2540.com
2540.cn
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DNS History

9 records (6 active, 3 former)

20222023202420252026NSbrett.ns.cloudflare.comdorthy.ns.cloudflare.comdns1.hichina.comdns2.hichina.comA104.21.94.142172.67.136.2182606:4700:3035::6815:5e8e2606:4700:3037::ac43:88da70.39.93.101
●NSbrett.ns.cloudflare.com2026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
○NSdns1.hichina.com2021-04-02 → 2021-04-10 · 4 obs
● 2021-04-02 06:22:44
● 2021-04-10 02:12:08
○ 2026-04-26 19:57:50
○ 2026-04-30 21:56:18
○NSdns2.hichina.com2021-04-02 → 2021-04-10 · 4 obs
● 2021-04-02 06:22:44
● 2021-04-10 02:12:08
○ 2026-04-26 19:57:50
○ 2026-04-30 21:56:18
●NSdorthy.ns.cloudflare.com2026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
●A104.21.94.1422026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
●A172.67.136.2182026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
●A2606:4700:3035::6815:5e8e2026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
●A2606:4700:3037::ac43:88da2026-04-26 → 2026-04-30 · 3 obs
○ 2021-04-10 02:12:08
● 2026-04-26 19:57:50
● 2026-04-30 21:56:18
○A70.39.93.1012021-04-02 → 2021-04-10 · 4 obs
● 2021-04-02 06:22:44
● 2021-04-10 02:12:08
○ 2026-04-26 19:57:50
○ 2026-04-30 21:56:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...-
2540.com.cnbrett.ns.cloudflare.com, dorthy.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.76

NS records: brett.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2540.com.cn (unsigned zone)

⏱️ Timing

Total: 1228ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.136.218, 104.21.94.142
AAAA22606:4700:3035::6815:5e8e, 2606:4700:3037::ac43:88da
NS2brett.ns.cloudflare.com, dorthy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brett.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

Four IP numbers are pointed to by 2540.com.cn: 2606:4700:3035::6815:5e8e, 2606:4700:3037::ac43:88da, 104.21.94.142 and 172.67.136.218.

other host names including www.mediamathrdrt.com, gimedurijutaxad.urseghy.com, mediamathrdrt.com, www.interactivesolutions.pk and www.renrenca.com share IP numbers with 2540.com.cn.

Name Servers

2540.com.cn is delegated to two name servers brett.ns.cloudflare.com and dorthy.ns.cloudflare.com.

2540.com.cn shares the same name server setup as other domains, for instance 010-bj.com.cn, moonjumper.com.cn, altiuz.com.pa, collod.com.cn and edress.com.cn.

2540.com.cn at least partially shares name servers with other domains, for instance ndou198.ru, 8877630.com, freioscomprar.pt, cxftth.com and teiejlleof.fit.

These name servers are commonly used with rayden.ns.cloudflare.com, dawn.ns.cloudflare.com, bella.ns.cloudflare.com, cortney.ns.cloudflare.com and amir.ns.cloudflare.com.

Host names with six IP numbers:

Host name brett.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4c, 2803:f800:50::6ca2:c14c, 2a06:98c1:50::ac40:214c, 108.162.193.76, 172.64.33.76 and 173.245.59.76.

Host name dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.