su21.net - robtex.com
su21.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1028.awsdns-00.org ⭐ | ||||||
| A | 2600:9000:5304:400::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| A | 205.251.196.4🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1028.awsdns-00.org | ||||||
| NS | ns-1685.awsdns-18.co.uk | ||||||
| A | 2600:9000:5306:9500::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1685.awsdns-18.co.uk | ||||||
| A | 205.251.198.149🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1685.awsdns-18.co.uk | ||||||
| NS | ns-62.awsdns-07.com | ||||||
| A | 2600:9000:5300:3e00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-62.awsdns-07.com | ||||||
| A | 205.251.192.62🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-62.awsdns-07.com | ||||||
| NS | ns-642.awsdns-16.net | ||||||
| A | 2600:9000:5302:8200::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-642.awsdns-16.net | ||||||
| A | 205.251.194.130🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-642.awsdns-16.net | ||||||
| SOA | ns-1028.awsdns-00.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784174412 | ||||||
Same first word
su21.net |
Similar names
us21.com |
us12.com |
su12.ru |
us12.net |
12su.cn |
21su.cn |
1s2u.com |
su12.com |
us21.live |
1s2u.net |
1s2u.blogspot.com |
1s2u.io |
21us.com |
21us.net |
u1s2.com |
DNS History
6 records (4 active, 2 former)
●NSns-1028.awsdns-00.org2026-06-07 → 2026-07-16 · 3 obs
● 2026-06-07 11:31:56
● 2026-07-16 04:25:10
●NSns-1685.awsdns-18.co.uk2026-06-07 → 2026-07-16 · 3 obs
● 2026-06-07 11:31:56
● 2026-07-16 04:25:10
●NSns-62.awsdns-07.com2026-06-07 → 2026-07-16 · 3 obs
● 2026-06-07 11:31:56
● 2026-07-16 04:25:10
●NSns-642.awsdns-16.net2026-06-07 → 2026-07-16 · 3 obs
● 2026-06-07 11:31:56
● 2026-07-16 04:25:10
○NSns1.cestream.com2007-09-23 → 2007-09-23 · 3 obs
○ 2015-11-03 00:38:28
○ 2026-07-16 04:25:10
○NSns2.cestream.com2007-09-23 → 2007-09-23 · 3 obs
○ 2015-11-03 00:38:28
○ 2026-07-16 04:25:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| su21.net | ns-62.awsdns-07.com, ns-642.awsdns-16.net, ns-1028.awsdns-00.org, ns-1685.awsdns-18.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.192.62
NS records: ns-62.awsdns-07.com, ns-642.awsdns-16.net, ns-1028.awsdns-00.org, ns-1685.awsdns-18.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for su21.net (unsigned zone)
⏱️ Timing
Total: 303ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1028.awsdns-00.org, ns-1685.awsdns-18.co.uk... |
| SOA | 1 | ns-1028.awsdns-00.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-642.awsdns-16.net, ns-642.awsdns-16.net)
Analysis
Name Servers
The authoritative name servers for su21.net are ns-62.awsdns-07.com, ns-642.awsdns-16.net, ns-1028.awsdns-00.org and ns-1685.awsdns-18.co.uk.
su21.net shares at least some of its name servers with other domains, including d2p8pp0njdvrh5.cloudfront.net, kissakogreenteacafe.com, smarttwin.app and two others.
The host names ns-62.awsdns-07.com, ns-642.awsdns-16.net, ns-1028.awsdns-00.org and ns-1685.awsdns-18.co.uk each resolve to two IP addresses: ns-62.awsdns-07.com resolves to 205.251.192.62 and 2600:9000:5300:3e00::1; ns-642.awsdns-16.net resolves to 205.251.194.130 and 2600:9000:5302:8200::1; ns-1028.awsdns-00.org resolves to 205.251.196.4 and 2600:9000:5304:400::1; ns-1685.awsdns-18.co.uk resolves to 205.251.198.149 and 2600:9000:5306:9500::1.