ustc.pro - robtex.com

ustc.pro

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3494🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c88b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.148Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.139🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdrake.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A2803:f800:50::6ca2:c30e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdrake.ns.cloudflare.com
A2a06:98c1:50::ac40:230e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdrake.ns.cloudflare.com
A108.162.195.14🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A162.159.44.14Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
A172.64.35.14🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdrake.ns.cloudflare.com
NSnora.ns.cloudflare.com
A2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.148, 172.67.200.139
IPv6 hints2606:4700:3032::6815:3494, 2606:4700:3032::ac43:c88b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com
SOAdrake.ns.cloudflare.comdns@cloudflare.com serial=2409504114

pro

DNSSEC🔒 Signed (DS record present)
NSa0.pro.afilias-nst.info ⭐
NSa2.pro.afilias-nst.info
NSb0.pro.afilias-nst.org
NSb2.pro.afilias-nst.org
NSc0.pro.afilias-nst.info
NSd0.pro.afilias-nst.org
SOAa0.pro.afilias-nst.infohostmaster@donuts.email serial=1785065240

Same first word

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DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSdrake.ns.cloudflare.comnora.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.52.148172.67.200.1392606:4700:3032::6815:34942606:4700:3032::ac43:c88b47.89.58.32
○NSdns10.hichina.com2016-12-10 → 2017-06-28 · 4 obs
● 2016-12-10 14:46:22
● 2017-06-28 11:35:08
○ 2021-06-26 03:23:02
○ 2026-07-26 11:59:02
○NSdns9.hichina.com2016-12-10 → 2017-06-28 · 4 obs
● 2016-12-10 14:46:22
● 2017-06-28 11:35:08
○ 2021-06-26 03:23:02
○ 2026-07-26 11:59:02
●NSdrake.ns.cloudflare.com2026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
●NSnora.ns.cloudflare.com2026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
●A104.21.52.1482026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
●A172.67.200.1392026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
●A2606:4700:3032::6815:34942026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
●A2606:4700:3032::ac43:c88b2026-07-23 → 2026-07-26 · 3 obs
○ 2021-06-26 03:23:02
● 2026-07-23 06:58:50
● 2026-07-26 11:59:02
○A47.89.58.322016-12-10 → 2017-06-28 · 4 obs
● 2016-12-10 14:46:22
● 2017-06-28 11:35:08
○ 2021-06-26 03:23:02
○ 2026-07-26 11:59:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
proa0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...-
ustc.prodrake.ns.cloudflare.com, nora.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.213

NS records: drake.ns.cloudflare.com, nora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ustc.pro (unsigned zone)

⏱️ Timing

Total: 346ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.148, 172.67.200.139
AAAA22606:4700:3032::6815:3494, 2606:4700:3032::ac43:c88b
NS2drake.ns.cloudflare.com, nora.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1drake.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

ustc.pro has four IP addresses: 104.21.52.148, 172.67.200.139, 2606:4700:3032::6815:3494 and 2606:4700:3032::ac43:c88b.

Among the host names that share IP numbers with ustc.pro are spg.ge, www.minterest.org, gratex.com.pl and two others.

Name Servers

ustc.pro is delegated to two name servers: drake.ns.cloudflare.com and nora.ns.cloudflare.com.

ustc.pro has the same name server delegation as a number of other domains, such as 389bet.onl, 1exbet.onl, 365casino.fun and two more.

ustc.pro has at least partial name server overlap with other domains, such as bizzie.nl, liyouzhi.com, exbacksms.com and two others.

It is common to find these name servers paired with the name servers wesley.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

drake.ns.cloudflare.com resolves to 108.162.195.14, 162.159.44.14, 172.64.35.14 and 3 other IP addresses.

nora.ns.cloudflare.com resolves to 108.162.192.213, 172.64.32.213, 173.245.58.213 and 3 other IP addresses.