21stdw.com - robtex.com

21stdw.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:df01🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1141🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.65Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.1🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkami.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ab1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkami.ns.cloudflare.com
A2803:f800:50::6ca2:c0b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkami.ns.cloudflare.com
A2a06:98c1:50::ac40:20b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkami.ns.cloudflare.com
A108.162.192.177🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkami.ns.cloudflare.com
A172.64.32.177🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkami.ns.cloudflare.com
A173.245.58.177🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkami.ns.cloudflare.com
NSrodney.ns.cloudflare.com
A2606:4700:58::adf5:3be4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrodney.ns.cloudflare.com
A2803:f800:50::6ca2:c1e4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrodney.ns.cloudflare.com
A2a06:98c1:50::ac40:21e4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrodney.ns.cloudflare.com
A108.162.193.228🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.33.228🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.59.228🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.65, 172.67.223.1
IPv6 hints2606:4700:3033::ac43:df01, 2606:4700:3034::6815:1141
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOAkami.ns.cloudflare.comdns@cloudflare.com serial=2409604581

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=1784666877

Same first word

21stdw.com

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NSkami.ns.cloudflare.comrodney.ns.cloudflare.comdns23.hichina.comdns24.hichina.comA104.21.17.65172.67.223.12606:4700:3033::ac43:df012606:4700:3034::6815:1141140.143.133.1732606:4700:3030::6815:11412606:4700:3032::ac43:df01
○NSdns23.hichina.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 21:54:24
○ 2026-04-06 13:17:54
○ 2026-07-21 20:55:56
○NSdns24.hichina.com2019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 21:54:24
○ 2026-04-06 13:17:54
○ 2026-07-21 20:55:56
●NSkami.ns.cloudflare.com2026-04-06 → 2026-07-21 · 3 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-07-21 20:55:56
●NSrodney.ns.cloudflare.com2026-04-06 → 2026-07-21 · 3 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-07-21 20:55:56
●A104.21.17.652026-04-06 → 2026-07-21 · 3 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-07-21 20:55:56
○A140.143.133.1732019-12-18 → 2019-12-18 · 3 obs
● 2019-12-18 21:54:24
○ 2026-04-06 13:17:54
○ 2026-07-21 20:55:56
●A172.67.223.12026-04-06 → 2026-07-21 · 3 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-07-21 20:55:56
○A2606:4700:3030::6815:11412026-04-06 → 2026-05-22 · 5 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-05-22 11:55:28
○ 2026-07-13 05:46:46
○ 2026-07-21 20:55:56
○A2606:4700:3032::ac43:df012026-04-06 → 2026-05-22 · 5 obs
○ 2019-12-18 21:54:24
● 2026-04-06 13:17:54
● 2026-05-22 11:55:28
○ 2026-07-13 05:46:46
○ 2026-07-21 20:55:56
●A2606:4700:3033::ac43:df012026-07-13 → 2026-07-21 · 3 obs
○ 2026-05-22 11:55:28
● 2026-07-13 05:46:46
● 2026-07-21 20:55:56
●A2606:4700:3034::6815:11412026-07-13 → 2026-07-21 · 3 obs
○ 2026-05-22 11:55:28
● 2026-07-13 05:46:46
● 2026-07-21 20:55:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21stdw.comrodney.ns.cloudflare.com, kami.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.177

NS records: rodney.ns.cloudflare.com, kami.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21stdw.com (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.17.65, 172.67.223.1
AAAA22606:4700:3034::6815:1141, 2606:4700:3033::ac43:df01
NS2kami.ns.cloudflare.com, rodney.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kami.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21stdw.com has four IP addresses: 104.21.17.65, 172.67.223.1, 2606:4700:3033::ac43:df01 and 2606:4700:3034::6815:1141.

Two other host names, along with 5finder.com, devolucao.pereirabarreto.sp.gov.br and hg82788.com, also share IP numbers with 21stdw.com.

Name Servers

Two name servers handle the delegation for 21stdw.com: kami.ns.cloudflare.com and rodney.ns.cloudflare.com.

21stdw.com shares its NS records with other domains, for example hzbly.com, fishinghavencaravanpark.com.au, zgzszp.com and two others.

21stdw.com shares at least some of its name servers with other domains, including autoxit.ru, epic-it.com, jumpphoto.com and two others.

These name servers are frequently seen alongside the name servers evan.ns.cloudflare.com, laura.ns.cloudflare.com, kinsley.ns.cloudflare.com and barbara.ns.cloudflare.com.

DNS names with 6 IP addresses:

kami.ns.cloudflare.com resolves to 108.162.192.177, 172.64.32.177 and 173.245.58.177 among others, with 3 other IP addresses in total.

rodney.ns.cloudflare.com resolves to 108.162.193.228, 172.64.33.228 and 173.245.59.228 among others, with 3 other IP addresses in total.