4tech.dev - robtex.com
4tech.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
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4tek.dev |
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DNS History
10 records (10 active, 0 former)
●NSns1.valueserver.com.br2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●NSns2.valueserver.com.br2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●NSns3.valueserver.com.br2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●NSns4.valueserver.com.br2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●MXalt1.aspmx.l.google.com2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●MXalt2.aspmx.l.google.com2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●MXalt3.aspmx.l.google.com2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●MXalt4.aspmx.l.google.com2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●MXaspmx.l.google.com2026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
●A177.136.254.362026-08-28 → 2026-09-07 · 2 obs
● 2026-09-07 18:10:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com... | - |
| 4tech.dev | ns4.valueserver.com.br, ns3.valueserver.com.br, ns1.valueserver.com.br, ns2.valueserver.com.br | - |
✅ Authoritative Response
Server:187.45.181.32
NS records: ns4.valueserver.com.br, ns3.valueserver.com.br, ns1.valueserver.com.br, ns2.valueserver.com.br
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4tech.dev (unsigned zone)
⏱️ Timing
Total: 1130ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.136.254.36 |
| NS | 2 | ns1.valueserver.com.br, ns2.valueserver.com.br |
| MX | 5 | ALT3.ASPMX.L.GOOGLE.COM (pri: 10), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)... |
| TXT | 1 | v=spf1 ip4:177.136.254.36 include:spf-c. |
| SOA | 1 | ns1.valueserver.com.br thedferreira.gmai |
Analysis
IP Addresses
4tech.dev directs to one IP number, which is 177.136.254.36.
Among the host names that share IP numbers with 4tech.dev are sintinorp.com.br, megablessed.com.br, alevieira.com.br and two others.
Name Servers
The domain 4tech.dev is delegated to these four name servers: ns1.valueserver.com.br, ns2.valueserver.com.br, ns3.valueserver.com.br and ns4.valueserver.com.br.
The name servers of 4tech.dev overlap at least partially with those of other domains — among them haezconstruction.com, abebbrasil.com.br, colegioregistralmg.org.br and two more.
These name servers commonly appear alongside the name servers ns1.cprapid.com and ns2.cprapid.com.
ns1.valueserver.com.br resolves to 177.93.111.24. ns2.valueserver.com.br resolves to 187.45.181.32. ns3.valueserver.com.br resolves to 51.81.81.60. ns4.valueserver.com.br resolves to 51.222.29.109. All four hosts carry exactly one IP address.
Mail Servers
Five mail servers handle 4tech.dev: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
4tech.dev shares at least some of its mail servers with other domains — for example heslingtonchurch.org, centurypcinc.com, solidrockhaleyville.com and two more.
It is common to find these mail servers paired with mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.
Hosts with two IP numbers each:
The A records for aspmx.l.google.com return 142.251.179.27 and 2607:f8b0:4004:c25::1b.
The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.