21st.dev - dns.ninja
21st.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
rank #308 in the tld
📈 Tranco rank: #96,353
🔒 HSTS Preload (+subdomains)
Subdomains
Same first word
Similar names
DNS History
14 records (9 active, 5 former)
●NStroy.ns.cloudflare.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●NSwanda.ns.cloudflare.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●MXalt1.aspmx.l.google.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●MXalt2.aspmx.l.google.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●MXalt3.aspmx.l.google.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●MXalt4.aspmx.l.google.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
●MXaspmx.l.google.com2026-03-27 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
○A216.150.1.12026-03-27 → 2026-06-19 · 5 obs
● 2026-05-14 20:12:46
○ 2026-06-19 18:06:14
● 2026-06-19 18:39:34
○ 2026-07-01 15:23:28
●A216.150.1.1932026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
○A216.150.1.652026-06-19 → 2026-06-19 · 4 obs
● 2026-06-19 18:06:14
○ 2026-06-19 18:39:34
○ 2026-07-01 15:23:28
○A216.150.16.12026-06-19 → 2026-06-19 · 3 obs
● 2026-06-19 18:39:34
○ 2026-07-01 15:23:28
●A216.150.16.1932026-07-01 → 2026-07-01 · 2 obs
● 2026-07-01 15:23:28
○A216.150.16.652026-06-19 → 2026-06-19 · 4 obs
● 2026-06-19 18:06:14
○ 2026-06-19 18:39:34
○ 2026-07-01 15:23:28
○A76.76.21.212026-03-27 → 2026-07-01 · 2 obs
○ 2026-07-01 15:23:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| 21st.dev | troy.ns.cloudflare.com, wanda.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.218
NS records: troy.ns.cloudflare.com, wanda.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21st.dev (unsigned zone)
⏱️ Timing
Total: 690ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 216.150.1.129, 216.150.16.129 |
| NS | 2 | troy.ns.cloudflare.com, wanda.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 4 | google-site-verification=YFpWIJMGkNWwROI, google-site-verification=hTyRw-FMAZobiHc... |
| SOA | 1 | troy.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
21st.dev serves as the parent of cdn.21st.dev and clerk.21st.dev.
IP Addresses
21st.dev resolves to the IP addresses 216.150.1.193 and 216.150.16.193
aksoml.sasktelwebsite.net, www.pdftoledger.com, ns1.buildcache.com plus two other host names have IP numbers in common with 21st.dev.
Name Servers
DNS delegation for 21st.dev points to two name servers: troy.ns.cloudflare.com and wanda.ns.cloudflare.com.
The name server configuration of 21st.dev is shared with other domains, for instance sophon.at, tisyachelistnik.ru, gicg.co.uk and two others.
21st.dev partially shares its NS delegation with several other domains, including bdlandpro.com, biologiatotal.com, 6117176.com and two others.
These name servers are regularly seen alongside davina.ns.cloudflare.com and rachel.ns.cloudflare.com as name servers.
Hosts with 6 IP addresses each:
troy.ns.cloudflare.com has IP addresses 108.162.195.218, 162.159.44.218 and 172.64.35.218, plus 3 other.
wanda.ns.cloudflare.com has IP addresses 108.162.192.240, 172.64.32.240 and 173.245.58.240, plus 3 other.
Mail Servers
21st.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by 21st.dev are shared with other domains: ns500731.ns500742.ns500754.ns500731.ns500705.ns500704.ns500678.ns500291.ns500671.ns500666.tenderladiesbz.com, ns500742.ns500671.ns500731.ns500731.ns500671.ns500671.ns500671.ns500678.ns500291.ns500666.ns500131.lustychickser.com, ns500734.ns500693.ns500699.ns500699.ns500699.ns500699.ns500734.ns500699.ns500699.ns500699.ns500699.ns500693.ns500699.ns500693.ns500699.ns500612.ns500632.ns500110.dtrkdll.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 172.253.63.26 and 2607:f8b0:4004:c17::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.