red21.tech - robtex.com
red21.tech
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1778794743 | ||||||
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSerin.ns.cloudflare.com2017-03-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:45:22
●NSjay.ns.cloudflare.com2017-03-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:45:22
●MXred21-tech.mail.protection.outlook.com2026-03-27 → 2026-05-14 · 2 obs
● 2026-05-14 21:45:22
●A104.21.19.1282026-03-27 → 2026-05-14 · 3 obs
● 2026-03-27 11:11:30
● 2026-05-14 21:45:22
○A104.28.2.1592017-03-16 → 2017-03-16 · 3 obs
○ 2026-03-27 11:11:30
○ 2026-05-14 21:45:22
○A104.28.3.1592017-03-16 → 2017-03-16 · 3 obs
○ 2026-03-27 11:11:30
○ 2026-05-14 21:45:22
●A172.67.186.462026-03-27 → 2026-05-14 · 3 obs
● 2026-03-27 11:11:30
● 2026-05-14 21:45:22
○A2400:cb00:2048:1::681c:29f2017-03-16 → 2017-03-16 · 3 obs
○ 2026-03-27 11:11:30
○ 2026-05-14 21:45:22
○A2400:cb00:2048:1::681c:39f2017-03-16 → 2017-03-16 · 3 obs
○ 2026-03-27 11:11:30
○ 2026-05-14 21:45:22
●A2606:4700:3030::6815:13802026-03-27 → 2026-05-14 · 3 obs
● 2026-03-27 11:11:30
● 2026-05-14 21:45:22
●A2606:4700:3034::ac43:ba2e2026-03-27 → 2026-05-14 · 3 obs
● 2026-03-27 11:11:30
● 2026-05-14 21:45:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| red21.tech | jay.ns.cloudflare.com, erin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.113
NS records: jay.ns.cloudflare.com, erin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for red21.tech (unsigned zone)
⏱️ Timing
Total: 524ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.186.46, 104.21.19.128 |
| AAAA | 2 | 2606:4700:3034::ac43:ba2e, 2606:4700:3030::6815:1380 |
| NS | 2 | erin.ns.cloudflare.com, jay.ns.cloudflare.com |
| MX | 1 | red21-tech.mail.protection.outlook.com ( |
| TXT | 3 | MS=ms91997365, google-site-verification=OaE_ZxB9EOFT834... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | erin.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)
Analysis
IP Addresses
Four IP numbers are pointed to by red21.tech: 2606:4700:3030::6815:1380, 2606:4700:3034::ac43:ba2e, 104.21.19.128 and 172.67.186.46.
other host names including largus.pl, resimmotoru.com, marketing-home.com, trinitascoaching.com and structadvis-ory.pics share IP numbers with red21.tech.
Name Servers
red21.tech is delegated to two name servers erin.ns.cloudflare.com and jay.ns.cloudflare.com.
red21.tech shares the same name server setup as other domains, for instance ryans.com.au, justeat.nl, pizza.es, corsme.com and lieferando.ch.
red21.tech at least partially shares name servers with other domains, for instance joaopessoalink.pages.dev, studiojadu.com, j761.cn, 44701.top and pleasecheckit.com.
Host names with six IP numbers:
Host name erin.ns.cloudflare.com points to: 2606:4700:50::adf5:3a71, 2803:f800:50::6ca2:c071, 2a06:98c1:50::ac40:2071, 108.162.192.113, 172.64.32.113 and 173.245.58.113.
Host name jay.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7b, 2803:f800:50::6ca2:c17b, 2a06:98c1:50::ac40:217b, 108.162.193.123, 172.64.33.123 and 173.245.59.123.
Mail Servers
red21.tech is handled by a single mail server, red21-tech.mail.protection.outlook.com.
Host red21-tech.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc31::, 2a01:111:f403:cc31::1, 2a01:111:f403:cc33::, 2a01:111:f403:cc33::1, 52.101.149.1, 52.101.149.2, 52.101.151.0 and 52.101.151.5.