tsinghuasec.com - robtex.com

tsinghuasec.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8335🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3d4🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.212Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.53🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelinda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ac6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A2803:f800:50::6ca2:c0c6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelinda.ns.cloudflare.com
A2a06:98c1:50::ac40:20c6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelinda.ns.cloudflare.com
A108.162.192.198🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A172.64.32.198🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
A173.245.58.198🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelinda.ns.cloudflare.com
NSpatryk.ns.cloudflare.com
A2606:4700:58::a29f:2c7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A2803:f800:50::6ca2:c37a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpatryk.ns.cloudflare.com
A2a06:98c1:50::ac40:237a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpatryk.ns.cloudflare.com
A108.162.195.122🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A162.159.44.122Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
A172.64.35.122🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpatryk.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.212, 172.67.131.53
IPv6 hints2606:4700:3030::ac43:8335, 2606:4700:3037::6815:3d4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOAmelinda.ns.cloudflare.comdns@cloudflare.com serial=2399893566

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776986996

Subdomains

6g.tsinghuasec.com

Same first word

tsinghuasec.com

Similar names

signtechusa.com
scshuangtie.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSmelinda.ns.cloudflare.compatryk.ns.cloudflare.comns.dns.net.cnns7.dns.net.cnMXmail.tsinghuasec.comA104.21.3.212172.67.131.532606:4700:3030::ac43:83352606:4700:3037::6815:3d4123.57.83.159
●NSmelinda.ns.cloudflare.com2026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34
○NSns.dns.net.cn2015-08-21 → 2017-05-14 · 7 obs
● 2015-08-21 22:46:44
○ 2015-12-19 14:55:06
● 2016-03-19 15:41:46
○ 2016-07-19 02:59:46
● 2017-05-14 08:09:02
○ 2026-03-20 11:28:30
○ 2026-04-23 23:54:34
○NSns7.dns.net.cn2015-08-21 → 2017-05-14 · 7 obs
● 2015-08-21 22:46:44
● 2015-12-19 14:55:06
○ 2016-03-19 15:41:46
● 2016-07-19 02:59:46
● 2017-05-14 08:09:02
○ 2026-03-20 11:28:30
○ 2026-04-23 23:54:34
●NSpatryk.ns.cloudflare.com2026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34
○MXmail.tsinghuasec.com2015-08-21 → 2017-05-14 · 4 obs
● 2015-08-21 22:46:44
● 2017-05-14 08:09:02
○ 2026-03-20 11:28:30
○ 2026-04-23 23:54:34
●A104.21.3.2122026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34
○A123.57.83.1592015-08-21 → 2017-05-14 · 4 obs
● 2015-08-21 22:46:44
● 2017-05-14 08:09:02
○ 2026-03-20 11:28:30
○ 2026-04-23 23:54:34
●A172.67.131.532026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34
●A2606:4700:3030::ac43:83352026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34
●A2606:4700:3037::6815:3d42026-03-20 → 2026-04-23 · 3 obs
○ 2017-05-14 08:09:02
● 2026-03-20 11:28:30
● 2026-04-23 23:54:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tsinghuasec.commelinda.ns.cloudflare.com, patryk.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.122

NS records: melinda.ns.cloudflare.com, patryk.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tsinghuasec.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.131.53, 104.21.3.212
AAAA22606:4700:3030::ac43:8335, 2606:4700:3037::6815:3d4
NS2melinda.ns.cloudflare.com, patryk.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1melinda.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (melinda.ns.cloudflare.com, melinda.ns.cloudflare.com, melinda.ns.cloudflare.com...)

Analysis

Hierarchy

tsinghuasec.com is a parent of 6g.tsinghuasec.com.

IP Addresses

tsinghuasec.com resolves to four IPs: 2606:4700:3030::ac43:8335, 2606:4700:3037::6815:3d4, 104.21.3.212 and 172.67.131.53.

Other host names such as candleforex.com, vectorhouse.ca, picmyrun.com, www.stadsing.dk and ipfsourcing.com share IP numbers with tsinghuasec.com.

Name Servers

tsinghuasec.com is delegated to two name servers: melinda.ns.cloudflare.com and patryk.ns.cloudflare.com.

tsinghuasec.com uses the same name server setup as other domains, including enic-kazakhstan.kz, 0379lvshi.com, yhhcc.com, insoft-cn.com and yindieyu.com.

At least part of the name servers for tsinghuasec.com are shared with other domains, for instance keiplan.de, boonpc.com, avsvat.com, tattoopeixun.com and kennedyequinecentre.com.

These name servers are commonly used with maeve.ns.cloudflare.com, sofia.ns.cloudflare.com, meilani.ns.cloudflare.com and colin.ns.cloudflare.com.

Host names with six IP numbers:

melinda.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac6, 2803:f800:50::6ca2:c0c6, 2a06:98c1:50::ac40:20c6, 108.162.192.198, 172.64.32.198 and 173.245.58.198.

patryk.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7a, 2803:f800:50::6ca2:c37a, 2a06:98c1:50::ac40:237a, 108.162.195.122, 162.159.44.122 and 172.64.35.122.