`contractorbidding.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.namefind.com` ⭐
		A	97.74.99.64^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.namefind.com`
NS	`ns2.namefind.com`
		A	173.201.67.64^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns1.namefind.com`dns@jomax.net 2023-03-15 #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=1774526022

Subdomains

nullmx.contractorbidding.com

DNS History

18 records (4 active, 14 former)

○NSbuy.internettraffic.com2015-10-25 → 2016-03-30 · 5 obs

○ 2015-05-29 12:23:58
● 2015-10-25 18:06:16
● 2016-03-30 00:54:06
○ 2017-01-08 15:49:34
○ 2026-03-26 12:22:22

○NSns1.mark.com2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

●NSns1.namefind.com2018-07-20 → 2026-03-26 · 3 obs

○ 2017-01-08 15:49:34
● 2018-07-20 08:43:44
● 2026-03-26 12:22:22

○NSns1.uniregistrymarket.link2017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-30 00:54:06
● 2017-01-08 15:49:34
○ 2018-07-20 08:43:44
○ 2026-03-26 12:22:22

○NSns2.mark.com2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

●NSns2.namefind.com2018-07-20 → 2026-03-26 · 3 obs

○ 2017-01-08 15:49:34
● 2018-07-20 08:43:44
● 2026-03-26 12:22:22

○NSns2.uniregistrymarket.link2017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-30 00:54:06
● 2017-01-08 15:49:34
○ 2018-07-20 08:43:44
○ 2026-03-26 12:22:22

○NSsell.internettraffic.com2015-10-25 → 2016-03-30 · 5 obs

○ 2015-05-29 12:23:58
● 2015-10-25 18:06:16
● 2016-03-30 00:54:06
○ 2017-01-08 15:49:34
○ 2026-03-26 12:22:22

○MXnullmx.contractorbidding.com2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

●A13.248.169.482026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-20 08:43:44
● 2026-03-26 12:22:22

○A2406:da00:ff00::36c5:f8012015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

○A2406:da00:ff00::36f3:64c72015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

○A54.197.248.12015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

○A54.243.100.1992015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 12:23:58
○ 2015-10-25 18:06:16
○ 2026-03-26 12:22:22

○A68.178.213.612018-07-20 → 2018-07-20 · 3 obs

○ 2017-01-08 15:49:34
● 2018-07-20 08:43:44
○ 2026-03-26 12:22:22

○A69.172.201.1532017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-30 00:54:06
● 2017-01-08 15:49:34
○ 2018-07-20 08:43:44
○ 2026-03-26 12:22:22

○A69.172.201.2082015-10-25 → 2016-03-30 · 5 obs

○ 2015-05-29 12:23:58
● 2015-10-25 18:06:16
● 2016-03-30 00:54:06
○ 2017-01-08 15:49:34
○ 2026-03-26 12:22:22

●A76.223.54.1462026-03-26 → 2026-03-26 · 2 obs

○ 2018-07-20 08:43:44
● 2026-03-26 12:22:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
contractorbidding.com	ns2.namefind.com, ns1.namefind.com	2 records

✅ Authoritative Response

Server:173.201.67.64

NS records: ns2.namefind.com, ns1.namefind.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractorbidding.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.namefind.com, ns2.namefind.com`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.namefind.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.namefind.com, ns1.namefind.com)

Analysis

Hierarchy

contractorbidding.com is the parent of nullmx.contractorbidding.com.

IP Addresses

contractorbidding.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance san-pedro.fr, ciflab.com, 235.132.layerdns.com, sanibelislandvideo.com and ikeashop.com share IP numbers with contractorbidding.com.

Name Servers

contractorbidding.com has two name servers: ns1.namefind.com and ns2.namefind.com.

contractorbidding.com shares the same name server setup as other domains, for example nuflo.com, www.flowerphotograph.com, www.usbyte.com, islamar.com and mansel.com.

Host names with a single IP:

ns1.namefind.com points to 97.74.99.64

ns2.namefind.com points to 173.201.67.64

contractorbidding.com - robtex.com