ustcaustin.org - robtex.com

ustcaustin.org

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:429f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:cd6c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.159Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.205.108🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScarl.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A2803:f800:50::6ca2:c16a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcarl.ns.cloudflare.com
A2a06:98c1:50::ac40:216a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcarl.ns.cloudflare.com
A108.162.193.106🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A172.64.33.106🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
A173.245.59.106🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarl.ns.cloudflare.com
NSmacy.ns.cloudflare.com
A2606:4700:50::a29f:264e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A2803:f800:50::6ca2:c24e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmacy.ns.cloudflare.com
A2a06:98c1:50::ac40:224e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmacy.ns.cloudflare.com
A108.162.194.78🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A162.159.38.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A172.64.34.78🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.159, 172.67.205.108
IPv6 hints2606:4700:3032::6815:429f, 2606:4700:3037::ac43:cd6c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com
SOAcarl.ns.cloudflare.comdns@cloudflare.com serial=2401423118

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776029901

Same first word

ustcaustin.org

Similar names

tunisactus.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NScarl.ns.cloudflare.commacy.ns.cloudflare.comns-cloud1.googledomains.comns-cloud2.googledomains.comns-cloud3.googledomains.comns-cloud4.googledomains.comA104.21.66.159172.67.205.1082606:4700:3032::6815:429f2606:4700:3037::ac43:cd6c50.18.158.32
●NScarl.ns.cloudflare.com2026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
●NSmacy.ns.cloudflare.com2026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
○NSns-cloud1.googledomains.com2015-05-23 → 2017-01-08 · 4 obs
● 2015-05-23 19:07:36
● 2017-01-08 21:53:46
○ 2026-02-22 06:31:42
○ 2026-04-12 21:59:10
○NSns-cloud2.googledomains.com2015-05-23 → 2017-01-08 · 4 obs
● 2015-05-23 19:07:36
● 2017-01-08 21:53:46
○ 2026-02-22 06:31:42
○ 2026-04-12 21:59:10
○NSns-cloud3.googledomains.com2015-05-23 → 2017-01-08 · 4 obs
● 2015-05-23 19:07:36
● 2017-01-08 21:53:46
○ 2026-02-22 06:31:42
○ 2026-04-12 21:59:10
○NSns-cloud4.googledomains.com2015-05-23 → 2017-01-08 · 4 obs
● 2015-05-23 19:07:36
● 2017-01-08 21:53:46
○ 2026-02-22 06:31:42
○ 2026-04-12 21:59:10
●A104.21.66.1592026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
●A172.67.205.1082026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
●A2606:4700:3032::6815:429f2026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
●A2606:4700:3037::ac43:cd6c2026-02-22 → 2026-04-12 · 3 obs
○ 2017-01-08 21:53:46
● 2026-02-22 06:31:42
● 2026-04-12 21:59:10
○A50.18.158.322015-05-23 → 2017-01-08 · 4 obs
● 2015-05-23 19:07:36
● 2017-01-08 21:53:46
○ 2026-02-22 06:31:42
○ 2026-04-12 21:59:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ustcaustin.orgcarl.ns.cloudflare.com, macy.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.78

NS records: carl.ns.cloudflare.com, macy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ustcaustin.org (unsigned zone)

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.205.108, 104.21.66.159
AAAA22606:4700:3037::ac43:cd6c, 2606:4700:3032::6815:429f
NS2carl.ns.cloudflare.com, macy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1carl.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

ustcaustin.org refers to four IP numbers: 2606:4700:3032::6815:429f, 2606:4700:3037::ac43:cd6c, 104.21.66.159 and 172.67.205.108.

Other host names, for instance optimizepartners.info, www.fewmat.pl, kraken-11at.net, stbk.cz and joinredditads.info share IP numbers with ustcaustin.org.

Name Servers

ustcaustin.org's delegation uses two name servers: carl.ns.cloudflare.com and macy.ns.cloudflare.com.

ustcaustin.org uses the same name server setup as other domains, such as lanservice.com.cn, thelightingsuperstore.co.uk, flavorthemoments.com, kingsflying.com and cqgy.com.cn.

ustcaustin.org at least partially shares name servers with other domains, including 9n9n.com, waltrap.com, liangt.com, voyageronline.com and carescent.com.

These name servers are often used with mike.ns.cloudflare.com and olga.ns.cloudflare.com.

Host names with six IP numbers:

carl.ns.cloudflare.com points to 2606:4700:58::adf5:3b6a, 2803:f800:50::6ca2:c16a, 2a06:98c1:50::ac40:216a, 108.162.193.106, 172.64.33.106 and 173.245.59.106.

macy.ns.cloudflare.com points to 2606:4700:50::a29f:264e, 2803:f800:50::6ca2:c24e, 2a06:98c1:50::ac40:224e, 108.162.194.78, 162.159.38.78 and 172.64.34.78.