`dupli-systems.com`

DNSSEC	⚠️ Not signed
A	68.178.221.45^{🇺🇸 AS39810168.178.220.0/22}
		PTR	`45.221.178.68.host.secureserver.net`
NS	`ns43.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns44.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`v=spf1 include:emailsrvr.com ~all`
TXT	`n4dh40nm1sr67d4on8oh67sn6p`
SOA	`NS43.WORLDNIC.com`namehost@WORLDNIC.com serial=126011413

`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=1776030947

Subdomains

mail.dupli-systems.com

Same first word

dupli-systems.com

DNS History

20 records (5 active, 15 former)

○NSauthns1.qwest.net2015-08-19 → 2016-03-16 · 5 obs

○ 2008-12-11 14:53:08
● 2015-08-19 21:02:32
● 2016-03-16 19:01:06
○ 2016-07-12 04:54:36
○ 2026-04-12 22:18:46

○NSauthns2.qwest.net2015-08-19 → 2016-03-16 · 6 obs

○ 2008-12-11 14:53:08
● 2015-08-19 21:02:32
○ 2015-12-15 16:48:48
● 2016-03-16 19:01:06
○ 2016-07-12 04:54:36
○ 2026-04-12 22:18:46

○NSdca-ans-01.inet.qwest.net2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:53:08
○ 2015-08-19 21:02:32
○ 2026-04-12 22:18:46

○NSns1.speedydns.net2016-07-12 → 2017-04-11 · 5 obs

○ 2016-03-16 19:01:06
● 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

○NSns2.speedydns.net2016-07-12 → 2017-04-11 · 5 obs

○ 2016-03-16 19:01:06
● 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

○NSns3.speedydns.net2016-07-12 → 2017-04-11 · 5 obs

○ 2016-03-16 19:01:06
● 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

●NSns43.worldnic.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-04-11 02:34:34
● 2026-04-12 22:18:44
● 2026-04-12 22:18:46

●NSns44.worldnic.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-04-11 02:34:34
● 2026-04-12 22:18:44
● 2026-04-12 22:18:46

○NSsvl-ans-01.inet.qwest.net2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:53:08
○ 2015-08-19 21:02:32
○ 2026-04-12 22:18:46

○MXdupli-systems.com.inbound10.mxlogic.net2008-12-11 → 2016-07-12 · 4 obs

● 2008-12-11 14:53:08
● 2016-07-12 04:54:36
○ 2017-04-11 02:34:34
○ 2026-04-12 22:18:46

○MXdupli-systems.com.inbound10.mxlogicmx.net2008-12-11 → 2016-07-12 · 4 obs

● 2008-12-11 14:53:08
● 2016-07-12 04:54:36
○ 2017-04-11 02:34:34
○ 2026-04-12 22:18:46

○MXmx1-us1.ppe-hosted.com2017-04-11 → 2017-04-11 · 4 obs

○ 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

●MXmx1.emailsrvr.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-04-11 02:34:34
● 2026-04-12 22:18:44
● 2026-04-12 22:18:46

○MXmx2-us1.ppe-hosted.com2017-04-11 → 2017-04-11 · 4 obs

○ 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

●MXmx2.emailsrvr.com2026-04-12 → 2026-04-12 · 3 obs

○ 2017-04-11 02:34:34
● 2026-04-12 22:18:44
● 2026-04-12 22:18:46

○A143.95.39.1362017-04-11 → 2017-04-11 · 4 obs

○ 2016-07-12 04:54:36
● 2017-04-11 02:34:34
○ 2026-04-12 22:18:44
○ 2026-04-12 22:18:46

○A143.95.39.1452016-07-12 → 2016-07-12 · 4 obs

○ 2016-03-16 19:01:06
● 2016-07-12 04:54:36
○ 2017-04-11 02:34:34
○ 2026-04-12 22:18:46

○A208.78.116.1032015-08-19 → 2016-03-16 · 5 obs

○ 2008-12-11 14:53:08
● 2015-08-19 21:02:32
● 2016-03-16 19:01:06
○ 2016-07-12 04:54:36
○ 2026-04-12 22:18:46

○A65.114.101.32008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:53:08
○ 2015-08-19 21:02:32
○ 2026-04-12 22:18:46

●A68.178.221.452026-04-12 → 2026-04-12 · 3 obs

○ 2017-04-11 02:34:34
● 2026-04-12 22:18:44
● 2026-04-12 22:18:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dupli-systems.com	ns43.worldnic.com, ns44.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.111

NS records: ns43.worldnic.com, ns44.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dupli-systems.com (unsigned zone)

⏱️ Timing

Total: 265ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`68.178.221.45`
NS	2	`ns44.worldnic.com, ns43.worldnic.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	2	`v=spf1 include:emailsrvr.com ~all, n4dh40nm1sr67d4on8oh67sn6p`
SOA	1	`NS43.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns43.worldnic.com, ns44.worldnic.com)

Analysis

Hierarchy

dupli-systems.com is the parent of mail.dupli-systems.com.

IP Addresses

dupli-systems.com resolves to one IP number: 68.178.221.45.

Other host names such as mail.dupli-systems.com and 45.221.178.68.host.secureserver.net share IP numbers with dupli-systems.com.

Name Servers

dupli-systems.com is delegated to two name servers ns43.worldnic.com and ns44.worldnic.com.

dupli-systems.com shares the same name server setup as other domains, for instance dog-sheets.com, landmsupply.com, kommersant.org, armordist.com and triunesoftware.com.

dupli-systems.com shares name servers with other domains at least partially, for example banfieldsux.org and independant-estimators.com.

Host names with one IP number:

ns43.worldnic.com points to 162.159.26.111

ns44.worldnic.com points to 162.159.27.50

Mail Servers

Two mail servers handle dupli-systems.com: mx1.emailsrvr.com and mx2.emailsrvr.com.

dupli-systems.com shares the same mail server setup as other domains, for instance fmcclub.org, watersfuneralhomes.com, martianmedia.com.au, paviche.com and maxwellblack.com.

dupli-systems.com shares some mail servers with other domains, at least partially, for instance bhhstownerealty.com, stamfordbarbershop.co.uk, client-216-57-220-225.bhm.pogozone.net, yellowribbonevents.org and aroarquitectura.com.

Host names by IP count:

- Four IP numbers: mx2.emailsrvr.com points to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2

- One IP number: mx1.emailsrvr.com points to 108.166.43.1

dupli-systems.com - robtex.com