21tech.com - dns.ninja
21tech.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=1782252120 | ||||||
Same first word
Similar names
tech21.ru |
tech21.de |
tech12.com |
12tech.io |
tech21.com.cn |
etch21.com |
tech21.nl |
tech21.com |
12tech.in |
tech21.co.uk |
12tech.cn |
tech21.cn |
tech21.uk.com |
tech12.co.il |
DNS History
13 records (7 active, 6 former)
●NSns-1435.awsdns-51.org2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
●NSns-1578.awsdns-05.co.uk2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
●NSns-28.awsdns-03.com2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
●NSns-670.awsdns-19.net2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
○NSns93.worldnic.com2015-07-25 → 2017-02-10 · 4 obs
● 2017-02-10 10:09:40
○ 2019-03-20 19:29:44
○ 2026-06-23 22:17:26
○NSns94.worldnic.com2015-07-25 → 2017-02-10 · 4 obs
● 2017-02-10 10:09:40
○ 2019-03-20 19:29:44
○ 2026-06-23 22:17:26
○MX21tech-com.mail.protection.outlook.com2015-07-25 → 2017-02-10 · 4 obs
● 2017-02-10 10:09:40
○ 2019-03-20 19:29:44
○ 2026-06-23 22:17:26
●MXus-smtp-inbound-1.mimecast.com2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
●MXus-smtp-inbound-2.mimecast.com2019-03-20 → 2026-06-23 · 3 obs
● 2019-03-20 19:29:44
● 2026-06-23 22:17:26
○A12.208.162.302015-07-25 → 2016-06-21 · 4 obs
● 2016-06-21 18:56:26
○ 2017-02-10 10:09:40
○ 2026-06-23 22:17:26
●A192.0.78.1522026-02-22 → 2026-06-23 · 3 obs
● 2026-02-22 06:36:58
● 2026-06-23 22:17:26
○A52.219.24.272019-03-20 → 2019-03-20 · 4 obs
● 2019-03-20 19:29:44
○ 2026-02-22 06:36:58
○ 2026-06-23 22:17:26
○A96.64.217.1092017-02-10 → 2017-02-10 · 4 obs
● 2017-02-10 10:09:40
○ 2019-03-20 19:29:44
○ 2026-06-23 22:17:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21tech.com | ns-28.awsdns-03.com, ns-670.awsdns-19.net, ns-1578.awsdns-05.co.uk, ns-1435.awsdns-51.org | 2 records |
✅ Authoritative Response
Server:205.251.197.155
NS records: ns-28.awsdns-03.com, ns-670.awsdns-19.net, ns-1578.awsdns-05.co.uk, ns-1435.awsdns-51.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21tech.com (unsigned zone)
⏱️ Timing
Total: 1134ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.0.78.152 |
| NS | 4 | ns-1435.awsdns-51.org, ns-1578.awsdns-05.co.uk... |
| MX | 2 | us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10) |
| TXT | 3 | 0ed1fe018a834e5f5b2cab4c308b761943c68c84, MS=ms63449091... |
| SOA | 1 | ns-1578.awsdns-05.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-28.awsdns-03.com, ns-28.awsdns-03.com)
Analysis
IP Addresses
21tech.com has exactly one IP address — 192.0.78.152.
priyacomputers.in, atv.fi, j-c.de plus two other host names have IP numbers in common with 21tech.com.
Name Servers
Four name servers handle the delegation for 21tech.com: ns-28.awsdns-03.com, ns-670.awsdns-19.net, ns-1435.awsdns-51.org and ns-1578.awsdns-05.co.uk.
21tech.com shares at least some of its name servers with other domains, including 34.92.5.72.in-addr.arpa, lookupcarrier.com, infinitiquickguide.com and two others.
The host names ns-28.awsdns-03.com, ns-670.awsdns-19.net, ns-1435.awsdns-51.org and ns-1578.awsdns-05.co.uk each resolve to two IP addresses: ns-28.awsdns-03.com resolves to 205.251.192.28 and 2600:9000:5300:1c00::1; ns-670.awsdns-19.net resolves to 205.251.194.158 and 2600:9000:5302:9e00::1; ns-1435.awsdns-51.org resolves to 205.251.197.155 and 2600:9000:5305:9b00::1; ns-1578.awsdns-05.co.uk resolves to 205.251.198.42 and 2600:9000:5306:2a00::1.
Mail Servers
21tech.com uses two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.
The mail server setup of 21tech.com matches that of other domains such as epicureanhotel.com, cte.idaho.gov, capgroupfinancial.com and two others.
21tech.com uses mail servers that are also used by other domains, including massreadymix.com, coretelligent.net and phx-mail.sendwordnow.com.
Hosts with 6 IP addresses each:
us-smtp-inbound-1.mimecast.com resolves to 170.10.128.141, 170.10.128.221 and 170.10.128.242 among others, with 3 other IP addresses in total.
us-smtp-inbound-2.mimecast.com resolves to 170.10.128.141, 170.10.128.221 and 170.10.128.242 among others, with 3 other IP addresses in total.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.141 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.221 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.128.242 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.141 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.221 IP addresses.
us-smtp-inbound-1.mimecast.com along with us-smtp-inbound-2.mimecast.com each resolve to 170.10.132.242 IP addresses.