jtechheating.com - robtex.com
jtechheating.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 | ||||||
Subdomains
mail.jtechheating.com |
Same first word
jtechheating.com |
DNS History
12 records (9 active, 3 former)
●NSns41.hdns1.com2026-02-28 → 2026-03-14 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-14 05:25:52
●NSns42.hdns1.com2026-02-28 → 2026-03-14 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-14 05:25:52
○NSns47.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-14 05:25:52
○NSns48.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-14 05:25:52
●MXalt1.aspmx.l.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
●MXalt2.aspmx.l.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
●MXalt3.aspmx.l.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
●MXalt4.aspmx.l.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
●MXaspmx.l.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
●MXf4agk35odgbovdvz4wg7rae27n24ybchsr4lf4el4o77vygvpowq.mx-verification.google.com2026-02-28 → 2026-03-14 · 2 obs
● 2026-03-14 05:25:52
○A184.168.221.612017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-14 05:25:52
●A216.128.142.2232026-02-28 → 2026-03-14 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-14 05:25:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| jtechheating.com | ns41.hdns1.com, ns42.hdns1.com | 2 records |
✅ Authoritative Response
Server: 149.28.250.169
NS records: ns41.hdns1.com, ns42.hdns1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jtechheating.com (unsigned zone)
⏱️ Timing
Total: 233ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.128.142.223 |
| NS | 2 | ns41.hdns1.com, ns42.hdns1.com |
| MX | 6 | alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 70)... |
| TXT | 1 | v=spf1 ip4:216.128.142.223 ip4:149.28.25 |
| SOA | 1 | ns41.hdns1.com svr44.hostonda.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns41.hdns1.com, ns42.hdns1.com)
Analysis
Hierarchy
jtechheating.com is the parent of mail.jtechheating.com.
IP Addresses
jtechheating.com resolves to a single IP address: 216.128.142.223.
Other host names including semcel.com, tupaginaonline.mx, tksminisplit.com, ns42.hdns1.com and shopismart.com share IP numbers with jtechheating.com.
Name Servers
jtechheating.com's delegation uses two name servers, ns41.hdns1.com and ns42.hdns1.com.
jtechheating.com shares the same name server setup as other domains, for example tupaginaonline.mx, apomas.com, tksminisplit.com, apomas.com.mx and shopismart.com.
Host names with a single IP:
- ns41.hdns1.com points to 216.128.142.223
- ns42.hdns1.com points to 216.128.142.223
Host names that point to 216.128.142.223: ns41.hdns1.com and ns42.hdns1.com
Mail Servers
jtechheating.com is handled by six mail servers: aspmx.l.google.com, f4agk35odgbovdvz4wg7rae27n24ybchsr4lf4el4o77vygvpowq.mx-verification.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
The mail servers for jtechheating.com are shared with other domains, for instance ns500731.ns500671.ns500731.ns500731.ns500754.ns500704.ns500731.ns500688.ns500688.ns500671.ns500671.ns500649.ns500704.ns500666.tenderladiesbz.com, ns500734.ns500699.ns500693.ns500699.ns500734.ns500699.ns500734.ns500693.ns500588.ns500699.ns500588.ns500699.ns500632.ns500588.ns500588.ns500588.dtrkdll.com, ns500759.ns500759.ns500759.ns500698.ns500736.ns500735.ns500736.ns500698.ns500736.ns500698.ns500735.ns500576.ns500698.ns500576.ns500698.ns500576.ns500652.trackreceptor.com, ns500759.ns500698.ns500759.ns500758.ns500735.ns500698.ns500698.ns500735.ns500698.ns500708.ns500708.ns500698.ns500619.ns500576.ns500576.trackreceptor.com and ns500693.ns500699.ns500693.ns500693.ns500699.ns500699.ns500734.ns500588.ns500699.ns500693.ns500683.ns500612.ns500612.ns500612.ns500612.ns500612.ns500110.dtrkdll.com.
these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.