tech4u.dev - robtex.com
tech4u.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 | ||||||
Same first word
Similar names
thec4u.com |
etch4u.com |
4utech.cn |
4utech.info |
4utech.de |
4utech.mobi |
4utech.net |
4utech.com |
4utech.com.cn |
4utech.eu |
u4tech.com |
4utech.org |
4utech.cloud |
4utech.com.br |
4utech.vn |
Previous names
Next names
DNS History
10 records (10 active, 0 former)
●NSns-1458.awsdns-54.org2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●NSns-1554.awsdns-02.co.uk2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●NSns-178.awsdns-22.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●NSns-981.awsdns-58.net2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●MXalt1.aspmx.l.google.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●MXalt2.aspmx.l.google.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●MXalt3.aspmx.l.google.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●MXalt4.aspmx.l.google.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●MXaspmx.l.google.com2026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
●A199.36.158.1002026-08-29 → 2026-09-03 · 2 obs
● 2026-09-03 18:22:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| tech4u.dev | ns-1458.awsdns-54.org, ns-178.awsdns-22.com, ns-1554.awsdns-02.co.uk, ns-981.awsdns-58.net | - |
✅ Authoritative Response
Server:205.251.198.18
NS records: ns-1458.awsdns-54.org, ns-178.awsdns-22.com, ns-1554.awsdns-02.co.uk, ns-981.awsdns-58.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech4u.dev (unsigned zone)
⏱️ Timing
Total: 500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.36.158.100 |
| NS | 4 | ns-1458.awsdns-54.org, ns-1554.awsdns-02.co.uk... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 6 | facebook-domain-verification=xlpi4p5k3yb, google-site-verification=WpQidH45V_nJdlc... |
| SOA | 1 | ns-1458.awsdns-54.org awsdns-hostmaster. |
Analysis
IP Addresses
tech4u.dev resolves to just one IP address, 199.36.158.100.
Two other host names, along with servicinu.co, fluffy-chainsaw.dev and woqoof.com, also share IP numbers with tech4u.dev.
Name Servers
The NS records for tech4u.dev point to four name servers: ns-178.awsdns-22.com, ns-981.awsdns-58.net, ns-1458.awsdns-54.org and ns-1554.awsdns-02.co.uk.
At least some of tech4u.dev's name servers are shared with other domains, for example chatover.coffee, eventingscores.com, koonoo.net and two more.
It is common for these name servers to be used in conjunction with the name servers ns-24.awsdns-03.com, ns-1448.awsdns-53.org and ns-1900.awsdns-45.co.uk.
Four hostnames, each resolving to a pair of IP addresses: ns-178.awsdns-22.com directs to 205.251.192.178 and 2600:9000:5300:b200::1; ns-981.awsdns-58.net directs to 205.251.195.213 and 2600:9000:5303:d500::1; ns-1458.awsdns-54.org directs to 205.251.197.178 and 2600:9000:5305:b200::1; ns-1554.awsdns-02.co.uk directs to 205.251.198.18 and 2600:9000:5306:1200::1.
Mail Servers
Five mail servers handle tech4u.dev: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between tech4u.dev and other domains, including hospress.com, netjobs.se, scentoftheone.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com directs traffic to 172.253.139.26 and 2607:f8b0:4004:c23::1b.
alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.