`theworkcircuit.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3aed^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:d201^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.237^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.1^{🇺🇸 Cloudflare172.67.208.0/20 , 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}
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.237, 172.67.210.1
		IPv6 hints	2606:4700:3031::6815:3aed, 2606:4700:3032::ac43:d201
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409120721

`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=1784494677

Same first word

theworkcircuit.com

DNS History

15 records (6 active, 9 former)

○NSns1.ubm-us.net2015-05-27 → 2016-11-09 · 4 obs

● 2015-05-27 15:25:08
● 2016-11-09 08:54:30
○ 2017-08-17 22:00:50
○ 2026-07-19 21:09:52

●NSns1.ubmdns.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

○NSns1.ubmits.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-11-09 08:54:30
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

○NSns2.ubm-us.net2015-05-27 → 2016-11-09 · 4 obs

● 2015-05-27 15:25:08
● 2016-11-09 08:54:30
○ 2017-08-17 22:00:50
○ 2026-07-19 21:09:52

●NSns2.ubmdns.com2026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

○NSns2.ubmits.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-11-09 08:54:30
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

○NSns3.ubm-us.net2015-05-27 → 2016-11-09 · 4 obs

● 2015-05-27 15:25:08
● 2016-11-09 08:54:30
○ 2017-08-17 22:00:50
○ 2026-07-19 21:09:52

○NSns3.ubmits.com2017-08-17 → 2017-08-17 · 4 obs

○ 2016-11-09 08:54:30
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

○MXmailhost.ubm-us.net2015-05-27 → 2017-08-17 · 4 obs

● 2015-05-27 15:25:08
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

●A104.21.58.2372026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

●A172.67.210.12026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

○A192.155.48.932015-05-27 → 2017-08-17 · 4 obs

● 2015-05-27 15:25:08
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

●A2606:4700:3031::6815:3aed2026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

●A2606:4700:3032::ac43:d2012026-07-13 → 2026-07-19 · 3 obs

○ 2017-08-17 22:00:50
● 2026-07-13 10:52:48
● 2026-07-19 21:09:52

○A2620:103::192:155:48:932015-05-27 → 2017-08-17 · 4 obs

● 2015-05-27 15:25:08
● 2017-08-17 22:00:50
○ 2026-07-13 10:52:48
○ 2026-07-19 21:09:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
theworkcircuit.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: 256ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.237, 172.67.210.1`
AAAA	2	`2606:4700:3032::ac43:d201, 2606:4700:3031::6815:3aed`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -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

theworkcircuit.com directs to four IP numbers, which are 104.21.58.237, 172.67.210.1, 2606:4700:3031::6815:3aed and 2606:4700:3032::ac43:d201.

Two other host names, along with gopublish.co.id, doubleagentusa.com and www.incorpebh.com.br, also share IP numbers with theworkcircuit.com.

Name Servers

theworkcircuit.com is served by two delegated name servers, ns1.ubmdns.com and ns2.ubmdns.com.

theworkcircuit.com shares its NS records with other domains, for example engineering-zone.com, itbuyer.com, mdmvirtualshow.com and two others.

Each of the two host names carries two IP addresses: ns1.ubmdns.com points to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0, and ns2.ubmdns.com points to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.

theworkcircuit.com - robtex.com