`mastershvac.com`

DNSSEC	⚠️ Not signed
A	107.180.113.69^{🇺🇸 AS398101107.180.112.0/22}
		PTR	`69.113.180.107.host.secureserver.net`
NS	`ns67.domaincontrol.com` ⭐
		A	2603:5:2174::2c^{🇺🇸 GODADDY-DNS2603:5:2170::/44}
			PTR	`ns67.domaincontrol.com`
		A	97.74.103.44^{🇺🇸 GODADDY-DNS97.74.102.0/23}
			PTR	`ns67.domaincontrol.com`
NS	`ns68.domaincontrol.com`
		A	2603:5:2274::2c^{🇺🇸 GODADDY-DNS2603:5:2270::/44}
			PTR	`ns68.domaincontrol.com`
		A	173.201.71.44^{🇺🇸 GODADDY-DNS173.201.70.0/23}
			PTR	`ns68.domaincontrol.com`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com`⁽¹⁰⁾
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`0ed1fe018a07fff077e65d498784f77cc7e1c6602c.`
TXT	`v=spf1 a ip4:207.8.139.131/32 a:mail.mastershvac.com include:us._netblocks.mi...`
TXT	`0ed1fe018aed60765b7b584cffbf908ba5ae79d825`
TXT	`l2jpjydyltye3te624tkqmcvw67dw3ha.`
TXT	`htnrl2gqa9mpnp5r89usc7egvb`
TXT	`MS=C09494ED12F6ED59B95F585ED13B7A2069D6DB30`
SOA	`ns67.domaincontrol.com`dns@jomax.net 2025-10-30 #0

`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.net`nstld@verisign-grs.com serial=1774475107

Subdomains

mail.mastershvac.com

Same first word

mastershvac.com

Similar names

hvacmasters.com

DNS History

11 records (5 active, 6 former)

●NSns67.domaincontrol.com2015-08-06 → 2026-03-25 · 2 obs

● 2015-08-06 01:15:24
● 2026-03-25 21:57:08

●NSns68.domaincontrol.com2015-08-06 → 2026-03-25 · 2 obs

● 2015-08-06 01:15:24
● 2026-03-25 21:57:08

○MXalt1.aspmx.l.google.com2015-08-06 → 2020-03-01 · 4 obs

● 2015-08-06 01:15:24
● 2020-03-01 11:06:06
○ 2026-03-13 12:22:22
○ 2026-03-25 21:57:08

○MXalt2.aspmx.l.google.com2015-08-06 → 2020-03-01 · 4 obs

● 2015-08-06 01:15:24
● 2020-03-01 11:06:06
○ 2026-03-13 12:22:22
○ 2026-03-25 21:57:08

○MXaspmx.l.google.com2015-08-06 → 2020-03-01 · 4 obs

● 2015-08-06 01:15:24
● 2020-03-01 11:06:06
○ 2026-03-13 12:22:22
○ 2026-03-25 21:57:08

○MXaspmx2.googlemail.com2015-08-06 → 2020-03-01 · 4 obs

● 2015-08-06 01:15:24
● 2020-03-01 11:06:06
○ 2026-03-13 12:22:22
○ 2026-03-25 21:57:08

●MXus-smtp-inbound-1.mimecast.com2026-03-13 → 2026-03-25 · 3 obs

○ 2020-03-01 11:06:06
● 2026-03-13 12:22:22
● 2026-03-25 21:57:08

●MXus-smtp-inbound-2.mimecast.com2026-03-13 → 2026-03-25 · 3 obs

○ 2020-03-01 11:06:06
● 2026-03-13 12:22:22
● 2026-03-25 21:57:08

●A107.180.113.692026-03-13 → 2026-03-25 · 3 obs

○ 2020-03-01 11:06:06
● 2026-03-13 12:22:22
● 2026-03-25 21:57:08

○A64.27.63.1702015-11-28 → 2020-03-01 · 5 obs

○ 2015-08-06 01:15:24
● 2015-11-28 20:16:54
● 2020-03-01 11:06:06
○ 2026-03-13 12:22:22
○ 2026-03-25 21:57:08

○A74.81.89.502015-08-06 → 2015-08-06 · 3 obs

● 2015-08-06 01:15:24
○ 2015-11-28 20:16:54
○ 2026-03-25 21:57:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
mastershvac.com	ns67.domaincontrol.com, ns68.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.71.44

NS records: ns67.domaincontrol.com, ns68.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastershvac.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.180.113.69`
NS	2	`ns67.domaincontrol.com, ns68.domaincontrol.com`
MX	2	`us-smtp-inbound-2.mimecast.com (pri: 10), us-smtp-inbound-1.mimecast.com (pri: 0)`
TXT	6	`0ed1fe018a07fff077e65d498784f77cc7e1c660, v=spf1 a ip4:207.8.139.131/32 a:mail.mas...`
SOA	1	`ns67.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns67.domaincontrol.com, ns67.domaincontrol.com, ns68.domaincontrol.com...)

Analysis

Hierarchy

mastershvac.com is the parent of mail.mastershvac.com.

IP Addresses

mastershvac.com points to a single IP number: 107.180.113.69.

other host names for instance theqandatimes.com, makeitmybook.com, mail.energeticosvalles.com, ndcelectrical.com and salvationandsales.com share IP numbers with mastershvac.com.

Name Servers

mastershvac.com is delegated to two name servers: ns67.domaincontrol.com and ns68.domaincontrol.com.

mastershvac.com shares the same name server setup as other domains, for example jasonmillar.com, mysignatures.com, (0x736578)yloop.com, phynigans.net and gcbrokersinc.com.

Host names with two IP numbers:

ns67.domaincontrol.com points to 2603:5:2174::2c and 97.74.103.44

ns68.domaincontrol.com points to 2603:5:2274::2c and 173.201.71.44

Mail Servers

mastershvac.com is handled by two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

mastershvac.com shares the same mail server setup as other domains, for instance chef.io, hanoverbroadway.com, geckogroup.net, guidewire.at and nglepc.com.