`mccontractingpa.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.mccontractingpa.com.cust.a.hostedemail.com` ⭐
TXT	`v=spf1 include:_spf.hostedemail.com ~all`
SOA	`ns1.systemdns.com`hostmaster@systemdns.com serial=1757559556

`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=1778491122

Subdomains

mail.mccontractingpa.com

Same first word

mccontractingpa.com

DNS History

13 records (6 active, 7 former)

○NSfeed35.att-webhosting.com2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:01:30
○ 2015-10-23 12:36:18
○ 2026-05-11 09:23:22

●NSns1.systemdns.com2015-10-23 → 2026-05-11 · 3 obs

○ 2015-06-14 05:01:30
● 2015-10-23 12:36:18
● 2026-05-11 09:23:22

●NSns2.systemdns.com2015-10-23 → 2026-05-11 · 3 obs

○ 2015-06-14 05:01:30
● 2015-10-23 12:36:18
● 2026-05-11 09:23:22

●NSns3.systemdns.com2015-10-23 → 2026-05-11 · 3 obs

○ 2015-06-14 05:01:30
● 2015-10-23 12:36:18
● 2026-05-11 09:23:22

○NSns35a.att-webhosting.com2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:01:30
○ 2015-10-23 12:36:18
○ 2026-05-11 09:23:22

○NSns35b.att-webhosting.com2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:01:30
○ 2015-10-23 12:36:18
○ 2026-05-11 09:23:22

○MXmail-fwd.att-webhosting.com2015-10-23 → 2016-11-19 · 5 obs

○ 2015-06-14 05:01:30
● 2015-10-23 12:36:18
● 2016-11-19 06:16:22
○ 2018-11-25 03:08:06
○ 2026-05-11 09:23:22

○MXmail.mccontractingpa.com2015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:01:30
○ 2015-10-23 12:36:18
○ 2026-05-11 09:23:22

●MXmx.mccontractingpa.com.cust.a.hostedemail.com2018-11-25 → 2026-05-11 · 3 obs

○ 2016-11-19 06:16:22
● 2018-11-25 03:08:06
● 2026-05-11 09:23:22

●A199.180.140.112026-05-11 → 2026-05-11 · 2 obs

○ 2018-11-25 03:08:06
● 2026-05-11 09:23:22

●A199.180.140.122026-05-11 → 2026-05-11 · 2 obs

○ 2018-11-25 03:08:06
● 2026-05-11 09:23:22

○A205.147.88.1592018-11-25 → 2018-11-25 · 3 obs

○ 2016-11-19 06:16:22
● 2018-11-25 03:08:06
○ 2026-05-11 09:23:22

○A68.232.35.822015-06-14 → 2016-11-19 · 4 obs

● 2015-06-14 05:01:30
● 2016-11-19 06:16:22
○ 2018-11-25 03:08:06
○ 2026-05-11 09:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mccontractingpa.com	ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com	6 records

✅ Authoritative Response

Server:64.98.148.16

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mccontractingpa.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`199.180.140.11, 199.180.140.12`
NS	3	`ns1.systemdns.com, ns3.systemdns.com...`
MX	1	`mx.mccontractingpa.com.cust.a.hostedemai`
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

Hierarchy

mccontractingpa.com is the parent of mail.mccontractingpa.com.

IP Addresses

mccontractingpa.com resolves to two IP numbers: 199.180.140.11 and 199.180.140.12.

Other host names, for instance joesdisposal.com, 45property.com, studiod2d.com, borkowskitowing.com and datech2.com share IP numbers with mccontractingpa.com.

Name Servers

mccontractingpa.com delegates to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.

mccontractingpa.com shares some name servers with other domains, for example clicsequr.in, ahlusion.us, indennis.com, tallermalvin.com and casinostrip.net.

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

mccontractingpa.com is handled by a single mail server, mx.mccontractingpa.com.cust.a.hostedemail.com.

mccontractingpa.com - robtex.com