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 → 2026-03-12 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-12 21:27:46
●NSns42.hdns1.com2026-02-28 → 2026-03-12 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-12 21:27:46
○NSns47.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-12 21:27:46
○NSns48.domaincontrol.com2017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-12 21:27:46
●MXalt1.aspmx.l.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
●MXalt2.aspmx.l.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
●MXalt3.aspmx.l.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
●MXalt4.aspmx.l.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
●MXaspmx.l.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
●MXf4agk35odgbovdvz4wg7rae27n24ybchsr4lf4el4o77vygvpowq.mx-verification.google.com2026-02-28 → 2026-03-12 · 2 obs
● 2026-03-12 21:27:46
○A184.168.221.612017-09-28 → 2017-09-28 · 3 obs
○ 2026-02-28 17:36:12
○ 2026-03-12 21:27:46
●A216.128.142.2232026-02-28 → 2026-03-12 · 3 obs
● 2026-02-28 17:36:12
● 2026-03-12 21:27:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.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: 281ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.128.142.223 |
| NS | 2 | ns42.hdns1.com, ns41.hdns1.com |
| MX | 6 | alt1.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| 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
The parent of mail.jtechheating.com is jtechheating.com.
IP Addresses
jtechheating.com points to an IP address: 216.128.142.223.
other host names include semcel.com, tksminisplit.com, ns42.hdns1.com, shopismart.com and ns41.hdns1.com; they share IP numbers with jtechheating.com.
Name Servers
Two name servers ns41.hdns1.com and ns42.hdns1.com handle the delegation for jtechheating.com.
jtechheating.com shares the same name server setup as other domains, for instance apomas.com, tksminisplit.com, apomas.com.mx, shopismart.com and tuweb.com.mx.
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
Six mail servers handle jtechheating.com: 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.
jtechheating.com shares at least partially some mail servers 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.
Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
The host name aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
The host name alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
The host name alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
The host name alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.
The host name alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.