qualityhvacsystems.com - robtex.com
qualityhvacsystems.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=1778714291 | ||||||
Same first word
qualityhvacsystems.com |
DNS History
10 records (10 active, 0 former)
●NSns1.wordpress.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●NSns2.wordpress.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●NSns3.wordpress.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●MXalt1.aspmx.l.google.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●MXalt2.aspmx.l.google.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●MXalt3.aspmx.l.google.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●MXalt4.aspmx.l.google.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●MXaspmx.l.google.com2020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●A192.0.78.1822020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
●A192.0.78.2422020-03-30 → 2026-05-13 · 2 obs
● 2026-05-13 23:41:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| qualityhvacsystems.com | ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com | 6 records |
✅ Authoritative Response
Server:198.181.116.9
NS records: ns1.wordpress.com, ns2.wordpress.com, ns3.wordpress.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qualityhvacsystems.com (unsigned zone)
⏱️ Timing
Total: 139ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 192.0.78.242, 192.0.78.182 |
| NS | 3 | ns2.wordpress.com, ns3.wordpress.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 3 | google-site-verification=ufQsKmgA2NYXGNp, google-site-verification=DWgxZlE-jXA5mo6... |
| SOA | 1 | ns1.wordpress.com hostmaster.wordpress.c |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.wordpress.com, ns1.wordpress.com, ns2.wordpress.com...)
Analysis
IP Addresses
qualityhvacsystems.com resolves to two IP numbers: 192.0.78.182 and 192.0.78.242.
other host names including cannapedia.ge, handymanguelph.com, music-by-sarah.com, virtueuniversityschool.org and madameeight.co.uk share IP numbers with qualityhvacsystems.com.
Name Servers
qualityhvacsystems.com is delegated to three name servers ns1.wordpress.com, ns2.wordpress.com and ns3.wordpress.com.
qualityhvacsystems.com at least partially shares name servers with other domains, for instance anthologen.com, saribla.com, thebluebarllc.com, propertyownerrights.com and simmonstravel.com.
Host names with two IP numbers:
ns1.wordpress.com points to: 2a04:fa87:ffff::c6b5:7409 and 198.181.116.9.
ns2.wordpress.com points to: 2a04:fa87:ffff::c6b5:7509 and 198.181.117.9.
ns3.wordpress.com points to: 2620:115:c00f::c000:4a09 and 192.0.74.9.
Mail Servers
qualityhvacsystems.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
qualityhvacsystems.com shares some mail servers with other domains, at least partially, for instance ns500758.ns500758.ns500759.ns500698.ns500698.ns500735.ns500735.ns500735.ns500698.ns500686.ns500619.ns500652.ns500576.trackreceptor.com, ns500754.ns500754.ns500742.ns500742.ns500742.ns500705.ns500705.ns500704.ns500705.ns500678.ns500649.ns500649.ns500291.ns500153.tenderladiesbz.com, ns500731.ns500754.ns500731.ns500704.ns500671.ns500671.ns500688.ns500671.ns500671.ns500671.ns500704.ns500705.ns500688.ns500291.ns500291.ns500153.tenderladiesbz.com, ns500699.ns500699.ns500734.ns500693.ns500699.ns500699.ns500734.ns500699.ns500632.ns500588.ns500588.ns500632.ns500612.ns500578.ns500110.dtrkdll.com and ns500698.ns500759.ns500759.ns500758.ns500759.ns500735.ns500698.ns500708.ns500576.ns500698.ns500708.ns500698.ns500652.trackreceptor.com.
these mail servers are often 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:f8b0:4023:c0b::1a and 142.250.101.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27