`expresstechnology.com`

DNSSEC	⚠️ Not signed
NS	`ns3.blackbeltdatacenter.com` ⚠️ Not in zone NS records
		A	204.17.39.158^{🇺🇸 AS22772204.17.32.0/19 1855 N 6th Ave Tucson AZ 85705 United States}
NS	`ns4.blackbeltdatacenter.com` ⚠️ Not in zone NS records
		A	204.17.39.158^{🇺🇸 AS22772204.17.32.0/19 1855 N 6th Ave Tucson AZ 85705 United States}

`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=1785354132

WOT: SAFE (83/100)

PTR for

76.64.116.50.in-addr.arpa

Previously MX for

expresstechnology.com

Same first word

expresstechnology.com

expresstechnology.net

Similar names

technologyexpress.com.ar

technologyexpress.com

technologyexpress.com.au

DNS History

12 records (2 active, 10 former)

○NSns.inmotionhosting.com2016-12-04 → 2018-12-13 · 5 obs

○ 2016-04-23 21:49:56
● 2016-12-04 13:29:58
● 2018-12-13 18:11:24
○ 2026-03-23 16:57:44
○ 2026-07-29 19:54:24

○NSns1-expresstech.webserversystems.com2016-02-01 → 2016-02-01 · 4 obs

○ 2015-11-10 20:44:50
● 2016-02-01 23:02:20
○ 2016-04-23 21:49:56
○ 2026-07-29 19:54:24

○NSns1.expresstechnology.com2015-07-09 → 2016-04-23 · 6 obs

● 2015-07-09 16:23:24
● 2015-11-10 20:44:50
○ 2016-02-01 23:02:20
● 2016-04-23 21:49:56
○ 2016-12-04 13:29:58
○ 2026-07-29 19:54:24

○NSns2-expresstech.webserversystems.com2016-02-01 → 2016-02-01 · 4 obs

○ 2015-11-10 20:44:50
● 2016-02-01 23:02:20
○ 2016-04-23 21:49:56
○ 2026-07-29 19:54:24

○NSns2.expresstechnology.com2015-07-09 → 2016-04-23 · 6 obs

● 2015-07-09 16:23:24
● 2015-11-10 20:44:50
○ 2016-02-01 23:02:20
● 2016-04-23 21:49:56
○ 2016-12-04 13:29:58
○ 2026-07-29 19:54:24

○NSns2.inmotionhosting.com2016-12-04 → 2018-12-13 · 5 obs

○ 2016-04-23 21:49:56
● 2016-12-04 13:29:58
● 2018-12-13 18:11:24
○ 2026-03-23 16:57:44
○ 2026-07-29 19:54:24

●NSns3.blackbeltdatacenter.com2026-03-23 → 2026-07-29 · 3 obs

○ 2018-12-13 18:11:24
● 2026-03-23 16:57:44
● 2026-07-29 19:54:24

●NSns4.blackbeltdatacenter.com2026-03-23 → 2026-07-29 · 3 obs

○ 2018-12-13 18:11:24
● 2026-03-23 16:57:44
● 2026-07-29 19:54:24

○MXexpresstechnology.com2015-07-09 → 2018-12-13 · 4 obs

● 2015-07-09 16:23:24
● 2018-12-13 18:11:24
○ 2026-03-23 16:57:44
○ 2026-07-29 19:54:24

○A198.154.193.582015-07-09 → 2015-11-10 · 4 obs

● 2015-07-09 16:23:24
● 2015-11-10 20:44:50
○ 2016-02-01 23:02:20
○ 2026-07-29 19:54:24

○A216.247.238.1522016-02-01 → 2016-04-23 · 5 obs

○ 2015-11-10 20:44:50
● 2016-02-01 23:02:20
● 2016-04-23 21:49:56
○ 2016-12-04 13:29:58
○ 2026-07-29 19:54:24

○A74.124.200.622016-12-04 → 2018-12-13 · 5 obs

○ 2016-04-23 21:49:56
● 2016-12-04 13:29:58
● 2018-12-13 18:11:24
○ 2026-03-23 16:57:44
○ 2026-07-29 19:54:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
expresstechnology.com	ns3.blackbeltdatacenter.com, ns4.blackbeltdatacenter.com	2 records

✅ Authoritative Response

Server:204.17.39.158

NS records: ns3.blackbeltdatacenter.com, ns4.blackbeltdatacenter.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expresstechnology.com (unsigned zone)

⏱️ Timing

Total: 192ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.blackbeltdatacenter.com, ns4.blackbeltdatacenter.com)

Analysis

Name Servers

expresstechnology.com is served by two delegated name servers, ns3.blackbeltdatacenter.com and ns4.blackbeltdatacenter.com.

The name servers for expresstechnology.com are partially shared with other domains like expressmaintenance.com, mas.systems and blackbeltdatacenter.com

It is common to find these name servers alongside the name servers ns1.expressmaintenance.com, ns2.expressmaintenance.com, ns.mas.systems and two others.

ns3.blackbeltdatacenter.com and ns4.blackbeltdatacenter.com share one IP address between them — 204.17.39.158.

These two host names — ns3.blackbeltdatacenter.com and ns4.blackbeltdatacenter.com — each point to 204.17.39.158 IP addresses.

expresstechnology.com - robtex.com