`engineeringbench.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:47c0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9417^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.71.192^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.23^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:cmpnet.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.71.192, 172.67.148.23
		IPv6 hints	2606:4700:3030::6815:47c0, 2606:4700:3037::ac43:9417
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2410563560

`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=1785321932

Same first word

engineeringbench.com

DNS History

14 records (6 active, 8 former)

○NSns1.ubm-us.net2015-07-08 → 2017-02-18 · 4 obs

● 2015-07-08 22:45:56
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

●NSns1.ubmdns.com2026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

○NSns2.ubm-us.net2015-07-08 → 2017-02-18 · 4 obs

● 2015-07-08 22:45:56
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

●NSns2.ubmdns.com2026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

○NSns3.ubm-us.net2015-07-08 → 2017-02-18 · 4 obs

● 2015-07-08 22:45:56
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

○MXmailhost.ubm-us.net2015-07-08 → 2017-02-18 · 4 obs

● 2015-07-08 22:45:56
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

●A104.21.71.1922026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

●A172.67.148.232026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

○A192.155.42.932017-02-18 → 2017-02-18 · 4 obs

○ 2016-04-25 10:05:32
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

○A192.155.48.932015-07-08 → 2016-04-25 · 4 obs

● 2015-07-08 22:45:56
● 2016-04-25 10:05:32
○ 2017-02-18 04:57:48
○ 2026-07-29 10:46:18

●A2606:4700:3030::6815:47c02026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

●A2606:4700:3037::ac43:94172026-07-13 → 2026-07-29 · 3 obs

○ 2017-02-18 04:57:48
● 2026-07-13 10:55:42
● 2026-07-29 10:46:18

○A2620:103::192:155:48:932015-07-08 → 2016-04-25 · 4 obs

● 2015-07-08 22:45:56
● 2016-04-25 10:05:32
○ 2017-02-18 04:57:48
○ 2026-07-29 10:46:18

○A2620:103:1:1:192:155:42:932017-02-18 → 2017-02-18 · 4 obs

○ 2016-04-25 10:05:32
● 2017-02-18 04:57:48
○ 2026-07-13 10:55:42
○ 2026-07-29 10:46:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
engineeringbench.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.1.208

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.71.192, 172.67.148.23`
AAAA	2	`2606:4700:3037::ac43:9417, 2606:4700:3030::6815:47c0`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:cmpnet.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

engineeringbench.com directs to four IP numbers, which are 104.21.71.192, 172.67.148.23, 2606:4700:3030::6815:47c0 and 2606:4700:3037::ac43:9417.

pcedc.org, heldere5er-shop.nl, gdpshub.com plus two other host names have IP numbers in common with engineeringbench.com.

Name Servers

The NS records for engineeringbench.com delegate to ns1.ubmdns.com and ns2.ubmdns.com.

The name server configuration of engineeringbench.com is shared with other domains, for instance gdmag.com, atmglobalnetwork.com, pentoneurope.com and two others.

ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. Likewise, ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0 — two IP addresses apiece.

engineeringbench.com - robtex.com