1721t.com - robtex.com

1721t.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3df5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d928🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.245Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.40🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjill.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A2803:f800:50::6ca2:c07a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjill.ns.cloudflare.com
A2a06:98c1:50::ac40:207a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjill.ns.cloudflare.com
A108.162.192.122🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A172.64.32.122🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
A173.245.58.122🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjill.ns.cloudflare.com
NSroman.ns.cloudflare.com
A2606:4700:58::a29f:2c67🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroman.ns.cloudflare.com
A2803:f800:50::6ca2:c367🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRroman.ns.cloudflare.com
A2a06:98c1:50::ac40:2367🇺🇸 Cloudflare2a06:98c1:50::/45
PTRroman.ns.cloudflare.com
A108.162.195.103🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroman.ns.cloudflare.com
A162.159.44.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroman.ns.cloudflare.com
A172.64.35.103🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroman.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.245, 172.67.217.40
IPv6 hints2606:4700:3031::6815:3df5, 2606:4700:3037::ac43:d928
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOAjill.ns.cloudflare.comdns@cloudflare.com serial=2410847574

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=1785918389
⚠️ On DNS blocklist: gambling

Same first word

1721t.com

Similar names

1271t.com
1172t.com

DNS History

9 records (6 active, 3 former)

2020202120222023202420252026NSjill.ns.cloudflare.comroman.ns.cloudflare.comns7.alidns.comns8.alidns.comA104.21.61.245172.67.217.402606:4700:3031::6815:3df52606:4700:3037::ac43:d928198.1.144.14
●NSjill.ns.cloudflare.com2026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40
○NSns7.alidns.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 22:36:46
○ 2021-06-07 11:13:48
○ 2026-08-05 08:35:40
○NSns8.alidns.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 22:36:46
○ 2021-06-07 11:13:48
○ 2026-08-05 08:35:40
●NSroman.ns.cloudflare.com2026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40
●A104.21.61.2452026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40
●A172.67.217.402026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40
○A198.1.144.142019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 22:36:46
○ 2021-06-07 11:13:48
○ 2026-08-05 08:35:40
●A2606:4700:3031::6815:3df52026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40
●A2606:4700:3037::ac43:d9282026-08-02 → 2026-08-05 · 3 obs
○ 2021-06-07 11:13:48
● 2026-08-02 22:41:30
● 2026-08-05 08:35:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...-
1721t.comjill.ns.cloudflare.com, roman.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.103

NS records: jill.ns.cloudflare.com, roman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1721t.com (unsigned zone)

⏱️ Timing

Total: 151ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.245, 172.67.217.40
AAAA22606:4700:3037::ac43:d928, 2606:4700:3031::6815:3df5
NS2jill.ns.cloudflare.com, roman.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jill.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

1721t.com points to the four IP addresses 104.21.61.245, 172.67.217.40, 2606:4700:3031::6815:3df5 and 2606:4700:3037::ac43:d928.

Additional host names — auptitpetrin.ch, anthony.krakow.pl, primehealthylife.com and two others — share IP numbers with 1721t.com.

Name Servers

1721t.com uses two name servers for its delegation: jill.ns.cloudflare.com and roman.ns.cloudflare.com.

1721t.com shares its name server setup with other domains, including 7017pc.com, buyrochesterredwings.shop, 200889.cc and two others.

At least some of 1721t.com's name servers are shared with other domains, for example mamadsaeedi1380.workers.dev, siamfloral.com, modshost.co and two more.

It is common for these name servers to be used in conjunction with the name servers dayana.ns.cloudflare.com, amalia.ns.cloudflare.com and gabe.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname jill.ns.cloudflare.com directs to 108.162.192.122, 172.64.32.122 and 173.245.58.122 along with 3 other IP addresses.

Hostname roman.ns.cloudflare.com directs to 108.162.195.103, 162.159.44.103 and 172.64.35.103 along with 3 other IP addresses.