21sttech.com - dns.ninja
21sttech.com
com
| 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=1782551180 | ||||||
PTR for
Same first word
21sttech.com |
Similar names
DNS History
11 records (7 active, 4 former)
●NSns1.namebrightdns.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
○NSns49.worldnic.com2015-07-09 → 2017-02-18 · 4 obs
● 2017-02-18 02:06:20
○ 2018-11-04 13:35:26
○ 2026-06-27 09:22:40
○NSns50.worldnic.com2015-07-09 → 2017-02-18 · 4 obs
● 2017-02-18 02:06:20
○ 2018-11-04 13:35:26
○ 2026-06-27 09:22:40
●NSnsg1.namebrightdns.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
●NSnsg2.namebrightdns.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
○MXp.webcom.ctmail.com2015-11-13 → 2017-02-18 · 4 obs
● 2017-02-18 02:06:20
○ 2018-11-04 13:35:26
○ 2026-06-27 09:22:40
●A13.223.25.842026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
○A208.91.197.272015-07-09 → 2017-02-18 · 4 obs
● 2017-02-18 02:06:20
○ 2018-11-04 13:35:26
○ 2026-06-27 09:22:40
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
●A54.243.117.1972026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 09:22:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21sttech.com | nsg1.namebrightdns.com, nsg2.namebrightdns.com | 12 records |
✅ Authoritative Response
Server:3.88.240.25
NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21sttech.com (unsigned zone)
⏱️ Timing
Total: 104ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 54.243.117.197, 13.223.25.84 |
| AAAA | 2 | 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee |
| NS | 2 | nsg1.namebrightdns.com, nsg2.namebrightdns.com |
| TXT | 2 | afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all |
| SOA | 1 | ns1.namebrightdns.com dns.namebright.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)
Analysis
IP Addresses
21sttech.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.
bypas.zuzugame.com, domarijuana.com, www.labdoc.com plus two other host names have IP numbers in common with 21sttech.com.
Name Servers
Three name servers are authoritative for 21sttech.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.
21sttech.com shares at least some of its name servers with other domains, including nhccn.com, tonelise.com, hiveclothing.com and two others.
These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com, plus two others.
Hosts with 6 IP addresses each:
nsg1.namebrightdns.com carries IP addresses 3.88.240.25, 52.55.198.41 and 54.175.130.15, with 3 other addresses beyond those.
nsg2.namebrightdns.com carries IP addresses 3.80.109.14, 18.232.139.44 and 98.81.3.34, with 3 other addresses beyond those.
Hosts with five IP addresses:
ns1.namebrightdns.com has IP addresses 52.203.211.134, 52.204.81.90 and 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca along with two other addresses.