sfc7.cn - robtex.com

sfc7.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8cba🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:211b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.33.27Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.186🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnena.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26a1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A2803:f800:50::6ca2:c2a1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnena.ns.cloudflare.com
A2a06:98c1:50::ac40:22a1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnena.ns.cloudflare.com
A108.162.194.161🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A162.159.38.161Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
A172.64.34.161🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnena.ns.cloudflare.com
NSsonny.ns.cloudflare.com
A2606:4700:58::a29f:2c42🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsonny.ns.cloudflare.com
A2803:f800:50::6ca2:c342🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsonny.ns.cloudflare.com
A2a06:98c1:50::ac40:2342🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsonny.ns.cloudflare.com
A108.162.195.66🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsonny.ns.cloudflare.com
A162.159.44.66Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsonny.ns.cloudflare.com
A172.64.35.66🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsonny.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.33.27, 172.67.140.186
IPv62606:4700:3033::ac43:8cba, 2606:4700:3036::6815:211b
SOAnena.ns.cloudflare.comdns@cloudflare.com serial=2397799344

cn

DNSSEC⚠️ Not signed
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=2034546407

Same first word

sfc7.cn

Similar names

c7sf.com
7csf.com
7sfc.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSnena.ns.cloudflare.comsonny.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.51dns.comns2.51dns.comA104.21.33.27172.67.140.1862606:4700:3033::ac43:8cba2606:4700:3036::6815:211b156.235.201.78172.64.80.1198.56.192.1332606:4700:130:436c:6f75:6466:6c61:7265
○NSf1g1ns1.dnspod.net2020-01-14 → 2020-01-14 · 3 obs
○ 2015-10-23 14:33:48
● 2020-01-14 20:18:26
○ 2026-03-24 05:26:40
○NSf1g1ns2.dnspod.net2020-01-14 → 2020-01-14 · 3 obs
○ 2015-10-23 14:33:48
● 2020-01-14 20:18:26
○ 2026-03-24 05:26:40
●NSnena.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40
○NSns1.51dns.com2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 08:11:08
○ 2015-10-23 14:33:48
○ 2026-03-24 05:26:40
○NSns2.51dns.com2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 08:11:08
○ 2015-10-23 14:33:48
○ 2026-03-24 05:26:40
●NSsonny.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40
●A104.21.33.272026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40
○A156.235.201.782020-01-14 → 2020-01-14 · 3 obs
○ 2015-05-28 08:11:08
● 2020-01-14 20:18:26
○ 2026-03-24 05:26:40
○A172.64.80.12026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 05:26:40
●A172.67.140.1862026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40
○A198.56.192.1332015-05-28 → 2015-05-28 · 2 obs
● 2015-05-28 08:11:08
○ 2026-03-24 05:26:40
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 05:26:40
●A2606:4700:3033::ac43:8cba2026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40
●A2606:4700:3036::6815:211b2026-03-24 → 2026-03-24 · 2 obs
○ 2020-01-14 20:18:26
● 2026-03-24 05:26:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
sfc7.cnnena.ns.cloudflare.com, sonny.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.66

NS records: nena.ns.cloudflare.com, sonny.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at sfc7.cn: Error: DNS query timeout: 203.119.29.1 for DS sfc7.cn

⏱️ Timing

Total: 3731ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.186, 104.21.33.27
AAAA22606:4700:3036::6815:211b, 2606:4700:3033::ac43:8cba
NS2nena.ns.cloudflare.com, sonny.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nena.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

sfc7.cn maps to four IP numbers: 2606:4700:3033::ac43:8cba, 2606:4700:3036::6815:211b, 104.21.33.27 and 172.67.140.186.

other host names include eobuwievip.com, www.eliteanswers.com, vin88.tv, breaktherules.info and nichols-plumbing.com; they share IP numbers with sfc7.cn.

Name Servers

Two name servers nena.ns.cloudflare.com and sonny.ns.cloudflare.com handle the delegation for sfc7.cn.

sfc7.cn shares the same name server setup as other domains, for instance topper21.cn, skqr.cn, fetsy.cn, zbxm.cn and 14835.cn.

sfc7.cn at least partially shares name servers with other domains, for instance 4ri.lv, agenciatributaria.com, dakarsoir.com, carolhwilliams.com and spheraantinfortunistica.it.

These name servers are commonly used with harlan.ns.cloudflare.com and venkat.ns.cloudflare.com.

Six IP addresses per host:

nena.ns.cloudflare.com points to 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161; sonny.ns.cloudflare.com points to 2606:4700:58::a29f:2c42, 2803:f800:50::6ca2:c342, 2a06:98c1:50::ac40:2342, 108.162.195.66, 162.159.44.66 and 172.64.35.66