`gvcontracting.com`

DNSSEC	⚠️ Not signed
A	199.180.140.11^{🇺🇸 Amazon199.180.140.0/24 EC2 Prefix}
A	199.180.140.12^{🇺🇸 Amazon199.180.140.0/24 EC2 Prefix}
NS	`ns1.systemdns.com` ⭐
		A	2604:4000:0:d:216:40:47:90^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns1.systemdns.com`
		A	216.40.47.90^{🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0}
			PTR	`ns1.systemdns.com`
NS	`ns2.systemdns.com`
		A	2604:4000:2800:d:64:99:148:16^{🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
		A	64.98.148.16^{🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co.}
			PTR	`ns2.systemdns.com`
NS	`ns3.systemdns.com`
		A	2604:4000:0:d:64:99:96:36^{🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000}
			PTR	`ns3.systemdns.com`
		A	64.99.96.36^{🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2}
			PTR	`ns3.systemdns.com`
MX	`mx.gvcontracting.com.cust.a.hostedemail.com` ⭐
		A	216.40.42.4^{🇨🇦 TUCOWS216.40.32.0/20 Tucows International}
			PTR	`mx.hostedemail.com`
TXT	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1757559500

`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=1774465962

Same first word

gvcontracting.com

DNS History

12 records (6 active, 6 former)

●NSns1.systemdns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

●NSns2.systemdns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

●NSns3.systemdns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

○NSns37.domaincontrol.com2015-05-16 → 2018-08-29 · 4 obs

● 2015-05-16 19:27:52
● 2018-08-29 04:02:00
○ 2026-03-25 19:41:10
○ 2026-03-25 19:41:12

○NSns38.domaincontrol.com2015-05-16 → 2018-08-29 · 4 obs

● 2015-05-16 19:27:52
● 2018-08-29 04:02:00
○ 2026-03-25 19:41:10
○ 2026-03-25 19:41:12

○MXgvcontracting-com.mail.protection.outlook.com2018-08-29 → 2018-08-29 · 4 obs

○ 2017-01-31 22:44:40
● 2018-08-29 04:02:00
○ 2026-03-25 19:41:10
○ 2026-03-25 19:41:12

○MXmailstore1.secureserver.net2015-05-16 → 2017-01-31 · 4 obs

● 2015-05-16 19:27:52
● 2017-01-31 22:44:40
○ 2018-08-29 04:02:00
○ 2026-03-25 19:41:12

●MXmx.gvcontracting.com.cust.a.hostedemail.com2026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

○MXsmtp.secureserver.net2015-05-16 → 2017-01-31 · 4 obs

● 2015-05-16 19:27:52
● 2017-01-31 22:44:40
○ 2018-08-29 04:02:00
○ 2026-03-25 19:41:12

○A184.168.221.582015-05-16 → 2018-08-29 · 4 obs

● 2015-05-16 19:27:52
● 2018-08-29 04:02:00
○ 2026-03-25 19:41:10
○ 2026-03-25 19:41:12

●A199.180.140.112026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

●A199.180.140.122026-03-25 → 2026-03-25 · 3 obs

○ 2018-08-29 04:02:00
● 2026-03-25 19:41:10
● 2026-03-25 19:41:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
gvcontracting.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:216.40.47.90

NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gvcontracting.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.180.140.12, 199.180.140.11`
NS	3	`ns2.systemdns.com, ns3.systemdns.com...`
MX	1	`mx.gvcontracting.com.cust.a.hostedemail.`
TXT	1	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	1	`ns1.systemdns.com hostmaster.systemdns.c`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.systemdns.com, ns1.systemdns.com, ns2.systemdns.com...)

Analysis

IP Addresses

gvcontracting.com has two IP numbers: 199.180.140.11 and 199.180.140.12.

Other host names, for instance littlechildrensplace.com, kmfloorsinc.com, airbosstx.com, hinepoolwater.net and edgreenconstruction.com share IP numbers with gvcontracting.com.

Name Servers

gvcontracting.com is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

gvcontracting.com at least partially shares name servers with other domains, including royaltymultiservices.com, 1310saddlerack425.com, haythornthwaite.com, partsseek.net and luislima.info.

Host names with two IP numbers:

ns1.systemdns.com: 2604:4000:0:d:216:40:47:90 and 216.40.47.90

ns2.systemdns.com: 2604:4000:2800:d:64:99:148:16 and 64.98.148.16

ns3.systemdns.com: 2604:4000:0:d:64:99:96:36 and 64.99.96.36

Mail Servers

A single mail server handles gvcontracting.com, mx.gvcontracting.com.cust.a.hostedemail.com.

Host name mx.gvcontracting.com.cust.a.hostedemail.com resolves to a single IP: 216.40.42.4.

gvcontracting.com - robtex.com