precont.cn - robtex.com

precont.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:daeb🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:262e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.46Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.235🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmckinley.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2649🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmckinley.ns.cloudflare.com
A2803:f800:50::6ca2:c249🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmckinley.ns.cloudflare.com
A2a06:98c1:50::ac40:2249🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmckinley.ns.cloudflare.com
A108.162.194.73🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmckinley.ns.cloudflare.com
A162.159.38.73Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmckinley.ns.cloudflare.com
A172.64.34.73🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmckinley.ns.cloudflare.com
NSowen.ns.cloudflare.com
A2606:4700:58::adf5:3bdb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A2803:f800:50::6ca2:c1db🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRowen.ns.cloudflare.com
A2a06:98c1:50::ac40:21db🇺🇸 Cloudflare2a06:98c1:50::/45
PTRowen.ns.cloudflare.com
A108.162.193.219🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A172.64.33.219🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A173.245.59.219🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.46, 172.67.218.235
IPv6 hints2606:4700:3033::ac43:daeb, 2606:4700:3035::6815:262e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=12, name=cloudflare-ech.com
SOAmckinley.ns.cloudflare.comdns@cloudflare.com serial=2399911088

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=2034625755

Same first word

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DNS History

9 records (6 active, 3 former)

2020202120222023202420252026NSmckinley.ns.cloudflare.comowen.ns.cloudflare.comns1.maff.comns2.maff.comA104.21.38.46172.67.218.2352606:4700:3033::ac43:daeb2606:4700:3035::6815:262e154.84.107.227
●NSmckinley.ns.cloudflare.com2026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48
○NSns1.maff.com2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 21:54:34
○ 2026-03-27 05:02:56
○ 2026-04-02 15:04:48
○NSns2.maff.com2019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 21:54:34
○ 2026-03-27 05:02:56
○ 2026-04-02 15:04:48
●NSowen.ns.cloudflare.com2026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48
●A104.21.38.462026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48
○A154.84.107.2272019-04-12 → 2019-04-12 · 3 obs
● 2019-04-12 21:54:34
○ 2026-03-27 05:02:56
○ 2026-04-02 15:04:48
●A172.67.218.2352026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48
●A2606:4700:3033::ac43:daeb2026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48
●A2606:4700:3035::6815:262e2026-03-27 → 2026-04-02 · 3 obs
○ 2019-04-12 21:54:34
● 2026-03-27 05:02:56
● 2026-04-02 15:04:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
precont.cnowen.ns.cloudflare.com, mckinley.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.73

NS records: owen.ns.cloudflare.com, mckinley.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

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

⏱️ Timing

Total: 3629ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.218.235, 104.21.38.46
AAAA22606:4700:3035::6815:262e, 2606:4700:3033::ac43:daeb
NS2mckinley.ns.cloudflare.com, owen.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1mckinley.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

precont.cn maps to four IP numbers: 2606:4700:3033::ac43:daeb, 2606:4700:3035::6815:262e, 104.21.38.46 and 172.67.218.235.

Other host names, for instance trafficzone.online, www.wtlsv.com, 789betts.com, mail.emspayroll.com and newpush.net share IP numbers with precont.cn.

Name Servers

Two name servers mckinley.ns.cloudflare.com and owen.ns.cloudflare.com are delegated to precont.cn.

precont.cn uses the same name server configuration as other domains, such as talvice.com, ytlcement.cn, ytwhw.com.cn, 91lianxi.com and lyjjkj.net.

precont.cn at least partially shares name servers with other domains such as agencymarketingtoolkit.com, raja700dynasty.com, qihanghulian.com, telepoet.com and evanstonian.net.

These name servers are commonly used alongside matteo.ns.cloudflare.com, sima.ns.cloudflare.com and arch.ns.cloudflare.com.

Host names with six IP numbers: Host name mckinley.ns.cloudflare.com points to 2606:4700:50::a29f:2649, 2803:f800:50::6ca2:c249, 2a06:98c1:50::ac40:2249, 108.162.194.73, 162.159.38.73 and 172.64.34.73; host name owen.ns.cloudflare.com points to 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219.