duplicatekiller.com - dns.ninja

`duplicatekiller.com`

DNSSEC	⚠️ Not signed
A	148.72.170.205^{🇺🇸 AS30083148.72.170.0/24}
NS	`ns2.rackspace.com` ⭐
		A	65.61.188.4^{🇺🇸 RACKSPACE-LON65.61.188.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns2.rackspace.com`
NS	`ns.rackspace.com`
		A	69.20.95.4^{🇺🇸 RACKSPACE-DFW69.20.95.0/24 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
			PTR	`ns.rackspace.com`
MX	`mx00.1and1.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.1and1.com`⁽²⁰⁾
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`google-site-verification=9goNhpIkuEdPlWYD72XFEZY2I5zAcBoXQEbUGz21VZw`
SOA	`ns.rackspace.com`hostmaster@rackspace.com serial=1588326271

`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=1786060594

WOT: UNKNOWN (75/100)

Same first word

duplicatekiller.com

DNS History

10 records (5 active, 5 former)

●NSns.rackspace.com2016-01-14 → 2026-08-06 · 3 obs

○ 2015-10-30 21:53:34
● 2016-01-14 11:49:52
● 2026-08-06 23:58:46

○NSns1.4team.biz2008-03-15 → 2015-10-30 · 4 obs

● 2008-03-15 12:28:46
● 2015-10-30 21:53:34
○ 2016-01-14 11:49:52
○ 2026-08-06 23:58:46

○NSns2.4team.biz2015-05-30 → 2015-10-30 · 5 obs

○ 2008-03-15 12:28:46
● 2015-05-30 03:08:38
● 2015-10-30 21:53:34
○ 2016-01-14 11:49:52
○ 2026-08-06 23:58:46

●NSns2.rackspace.com2016-01-14 → 2026-08-06 · 3 obs

○ 2015-10-30 21:53:34
● 2016-01-14 11:49:52
● 2026-08-06 23:58:46

○NSslv1.1and1.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 12:28:46
○ 2015-05-30 03:08:38
○ 2026-08-06 23:58:46

●MXmx00.1and1.com2008-03-15 → 2026-08-06 · 2 obs

● 2008-03-15 12:28:46
● 2026-08-06 23:58:46

●MXmx01.1and1.com2008-03-15 → 2026-08-06 · 2 obs

● 2008-03-15 12:28:46
● 2026-08-06 23:58:46

●A148.72.170.2052026-03-08 → 2026-08-06 · 3 obs

○ 2018-01-03 03:52:48
● 2026-03-08 14:15:16
● 2026-08-06 23:58:46

○A192.145.233.1772018-01-03 → 2018-01-03 · 4 obs

○ 2016-09-21 18:36:28
● 2018-01-03 03:52:48
○ 2026-03-08 14:15:16
○ 2026-08-06 23:58:46

○A72.3.132.2272008-03-15 → 2016-09-21 · 4 obs

● 2008-03-15 12:28:46
● 2016-09-21 18:36:28
○ 2018-01-03 03:52:48
○ 2026-08-06 23:58:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
duplicatekiller.com	ns2.rackspace.com, ns.rackspace.com	2 records

✅ Authoritative Response

Server:69.20.95.4

NS records: ns2.rackspace.com, ns.rackspace.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duplicatekiller.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`148.72.170.205`
NS	2	`ns.rackspace.com, ns2.rackspace.com`
MX	2	`mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 20)`
TXT	1	`google-site-verification=9goNhpIkuEdPlWY`
SOA	1	`ns.rackspace.com hostmaster.rackspace.co`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.rackspace.com, ns.rackspace.com)

Analysis

IP Addresses

duplicatekiller.com has exactly one IP address — 148.72.170.205.

pst-merger.com, shareo.com, outlook4team.com plus two other host names have IP numbers in common with duplicatekiller.com.

Name Servers

DNS delegation for duplicatekiller.com points to two name servers: ns2.rackspace.com and ns.rackspace.com.

The name server configuration of duplicatekiller.com is shared with other domains, for instance 26.130.104.in-addr.arpa, universityandcollegemealplans.com, lrepurchases.com and two others.

At least some of duplicatekiller.com's name servers are shared with other domains, for example kravmagaraleigh.com, njvirtualtours.com, osohosting.net and two more.

These name servers tend to be deployed in combination with the name servers dns1.stabletransit.com and dns2.stabletransit.com.

Each of ns2.rackspace.com and ns.rackspace.com has one IP address: ns2.rackspace.com uses 65.61.188.4 and ns.rackspace.com uses 69.20.95.4.

Mail Servers

duplicatekiller.com uses two mail servers, mx00.1and1.com and mx01.1and1.com.

The mail server setup of duplicatekiller.com matches that of other domains such as s95942227.onlinehome.us, sscclive.com, uceca.net and two others.

At least some of the mail servers used by duplicatekiller.com are shared with other domains: mail1.stalderspring.com, vahsys.com, u24667826.onlinehome-server.com and two others among them.

Each of mx00.1and1.com and mx01.1and1.com has one IP address: mx00.1and1.com uses 74.208.114.65 and mx01.1and1.com uses 74.208.114.66.