jct4u.com - robtex.com
jct4u.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=1771291435 | ||||||
Same first word
jct4u.com |
DNS History
13 records (13 active, 0 former)
●NSns15.domaincontrol.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●NSns16.domaincontrol.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXalt1.aspmx.l.google.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXalt2.aspmx.l.google.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXaspmx.l.google.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXaspmx2.googlemail.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXaspmx3.googlemail.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXaspmx4.googlemail.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●MXaspmx5.googlemail.com2015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●A216.239.32.212015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●A216.239.34.212015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●A216.239.36.212015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
●A216.239.38.212015-06-06 → 2026-03-23 · 2 obs
● 2026-03-23 06:31:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jct4u.com | ns15.domaincontrol.com, ns16.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.75.8
NS records: ns15.domaincontrol.com, ns16.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jct4u.com (unsigned zone)
⏱️ Timing
Total: 260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.34.21... |
| NS | 2 | ns15.domaincontrol.com, ns16.domaincontrol.com |
| MX | 7 | aspmx3.googlemail.com (pri: 30), aspmx4.googlemail.com (pri: 30)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns15.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns15.domaincontrol.com, ns15.domaincontrol.com, ns16.domaincontrol.com...)
Analysis
IP Addresses
jct4u.com points to four IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
Other host names, for instance kentk.org, pmgroupsa.com, naegels.com, mapzzles.com and mjs-legacy.com share IP numbers with jct4u.com.
Name Servers
jct4u.com is delegated to two name servers: ns15.domaincontrol.com and ns16.domaincontrol.com.
jct4u.com uses the same name server setup as other domains, for instance krugervillesepticrepair.com, imige.net, lorsta.org, maegde-und-knechte.de and masterspapartsonline.com.
jct4u.com partially shares name servers with other domains, for instance archos.mx.
Host names with two IP numbers:
The host ns15.domaincontrol.com points to 2603:5:21b0::8 and 97.74.107.8.
The host ns16.domaincontrol.com points to 2603:5:22b0::8 and 173.201.75.8.
Mail Servers
jct4u.com is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
jct4u.com shares some mail servers with other domains, including atkinsme.com, ns500759.ns500759.ns500759.ns500759.ns500758.ns500698.ns500698.ns500698.ns500698.ns500698.ns500735.ns500698.ns500698.ns500686.ns500652.trackreceptor.com, ns500698.ns500698.ns500759.ns500759.ns500758.ns500698.ns500735.ns500735.ns500698.ns500576.ns500698.ns500708.ns500698.ns500619.ns500619.ns500619.trackreceptor.com, ns500754.ns500731.ns500731.ns500754.ns500731.ns500754.ns500731.ns500704.ns500688.ns500671.ns500649.ns500678.lusty(0x736c7574)z.com and ns500759.ns500758.ns500758.ns500698.ns500759.ns500708.ns500576.ns500576.ns500686.ns500652.trackreceptor.com.
These mail servers are commonly used with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com maps to 2607:f8b0:4023:2801::1b and 192.178.128.27.
aspmx3.googlemail.com maps to 2607:f8b0:4023:1015::1b and 172.253.135.26.
aspmx4.googlemail.com maps to 2607:f8b0:4023:3003::1b and 172.253.145.26.
aspmx5.googlemail.com maps to 2607:f8b0:4003:c4a::1b and 142.251.96.27.
aspmx.l.google.com maps to 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com maps to 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com maps to 2607:f8b0:4001:c70::1a and 192.178.209.26.