🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`engineeringbackground.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5ab5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cbcf^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.181^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.207^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rachel.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rachel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rachel.ns.cloudflare.com`
		A	108.162.192.215^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	172.64.32.215^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	173.245.58.215^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
NS	`ricardo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ricardo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ricardo.ns.cloudflare.com`
		A	108.162.195.211^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	162.159.44.211^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	172.64.35.211^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.181, 172.67.203.207
		IPv6 hints	2606:4700:3031::6815:5ab5, 2606:4700:3037::ac43:cbcf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`rachel.ns.cloudflare.com`dns@cloudflare.com serial=2415841158

`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=1790981429

Same first word

engineeringbackground.com

Previous names

Next names

DNS History

15 records (6 active, 9 former)

○NSdns1.name-services.com2017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

○NSdns1.registrar-servers.com2016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 17:19:42
○ 2017-08-06 23:59:48
○ 2026-10-02 23:17:44

○NSdns2.name-services.com2017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

○NSdns2.registrar-servers.com2016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 17:19:42
○ 2017-08-06 23:59:48
○ 2026-10-02 23:17:44

○NSdns3.name-services.com2017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

○NSdns4.name-services.com2017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

○NSdns5.name-services.com2017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

●NSrachel.ns.cloudflare.com2026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

●NSricardo.ns.cloudflare.com2026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

●A104.21.90.1812026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

●A172.67.203.2072026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

●A2606:4700:3031::6815:5ab52026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

●A2606:4700:3037::ac43:cbcf2026-08-30 → 2026-10-02 · 3 obs

○ 2017-08-06 23:59:48
● 2026-08-30 04:45:46
● 2026-10-02 23:17:44

○A67.227.26.692016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 17:19:42
○ 2017-08-06 23:59:48
○ 2026-10-02 23:17:44

○A69.64.147.102017-08-06 → 2017-08-06 · 4 obs

○ 2016-12-13 17:19:42
● 2017-08-06 23:59:48
○ 2026-08-30 04:45:46
○ 2026-10-02 23:17:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
engineeringbackground.com	rachel.ns.cloudflare.com, ricardo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.215

NS records: rachel.ns.cloudflare.com, ricardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringbackground.com (unsigned zone)

⏱️ Timing

Total: 190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.181, 172.67.203.207`
AAAA	2	`2606:4700:3031::6815:5ab5, 2606:4700:3037::ac43:cbcf`
NS	2	`rachel.ns.cloudflare.com, ricardo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rachel.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (rachel.ns.cloudflare.com, rachel.ns.cloudflare.com, rachel.ns.cloudflare.com...)

Analysis

IP Addresses

engineeringbackground.com points to the four IP addresses 104.21.90.181, 172.67.203.207, 2606:4700:3031::6815:5ab5 and 2606:4700:3037::ac43:cbcf.

Additional host names — benefitassistnow.com, eny-ncloud.com, chickenroad-demo.site and two others — share IP numbers with engineeringbackground.com.

Name Servers

Two name servers handle the delegation for engineeringbackground.com: rachel.ns.cloudflare.com and ricardo.ns.cloudflare.com.

engineeringbackground.com shares its name server setup with other domains, including reumi933.workers.dev, membry.ro, acasa.cloud and two others.

There is at least partial name server overlap between engineeringbackground.com and other domains — dh4.workers.dev, 9998sl11.com, jonnydeyo.com and two more among them.

These name servers are frequently paired with the name servers troy.ns.cloudflare.com, johnny.ns.cloudflare.com, natasha.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

rachel.ns.cloudflare.com resolves to 108.162.192.215, 172.64.32.215 and 173.245.58.215 among others, with 3 other IP addresses in total.

ricardo.ns.cloudflare.com resolves to 108.162.195.211, 162.159.44.211 and 172.64.35.211 among others, with 3 other IP addresses in total.

engineeringbackground.com - robtex.com