`extendsystems.com`

DNSSEC	⚠️ Not signed
A	72.52.161.116^{🇺🇸 LiquidWeb72.52.128.0/17 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917}
		PTR	`host.extendsystems.com`
NS	`ns1.liquidweb.com` ⭐ ⚠️ Not in parent delegation
		A	2607:fad0:0:8927::a^{🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route}
		A	69.16.223.254^{🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc}
			PTR	`ns1.liquidweb.com`
NS	`ns.liquidweb.com` ⚠️ Not in parent delegation
		A	2607:fad0:0:8917::a^{🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route}
		A	69.16.222.254^{🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc}
			PTR	`ns.liquidweb.com`
NS	`ns.sourcedns.com` ⚠️ Not in zone NS records
		A	2607:fad0:0:8917::a^{🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route}
		A	69.16.222.254^{🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc}
			PTR	`ns.liquidweb.com`
NS	`ns1.sourcedns.com` ⚠️ Not in zone NS records
		A	2607:fad0:0:8927::a^{🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route}
		A	69.16.223.254^{🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc}
			PTR	`ns1.liquidweb.com`
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
		A	184.106.54.1^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		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	`_globalsign-domain-verification=lyPspI4QcidNUMfdM-Y8ljq5RwKtAuJfjpW-pl3ozi`
SOA	`ns.liquidweb.com`admin@liquidweb.com 2020-05-08 #2

`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=1778716136

Same first word

extendsystems.com

DNS History

9 records (7 active, 2 former)

●NSns.liquidweb.com2015-07-10 → 2026-05-13 · 3 obs

○ 2008-03-19 05:46:20
● 2015-07-10 21:25:04
● 2026-05-13 23:54:40

●NSns.sourcedns.com2026-05-08 → 2026-05-13 · 3 obs

○ 2015-07-10 21:25:04
● 2026-05-08 15:59:44
● 2026-05-13 23:54:40

●NSns1.liquidweb.com2015-07-10 → 2026-05-13 · 3 obs

○ 2008-03-19 05:46:20
● 2015-07-10 21:25:04
● 2026-05-13 23:54:40

●NSns1.sourcedns.com2026-05-08 → 2026-05-13 · 3 obs

○ 2015-07-10 21:25:04
● 2026-05-08 15:59:44
● 2026-05-13 23:54:40

●MXmx1.emailsrvr.com2015-07-10 → 2026-05-13 · 3 obs

○ 2008-03-19 05:46:20
● 2015-07-10 21:25:04
● 2026-05-13 23:54:40

●MXmx2.emailsrvr.com2015-07-10 → 2026-05-13 · 3 obs

○ 2008-03-19 05:46:20
● 2015-07-10 21:25:04
● 2026-05-13 23:54:40

○A66.203.151.1512015-07-10 → 2016-05-03 · 5 obs

○ 2008-03-19 05:46:20
● 2015-07-10 21:25:04
● 2016-05-03 04:17:50
○ 2016-10-03 20:44:22
○ 2026-05-13 23:54:40

○A67.225.135.1822016-10-03 → 2017-05-13 · 5 obs

○ 2016-05-03 04:17:50
● 2016-10-03 20:44:22
● 2017-05-13 23:33:10
○ 2026-05-08 15:59:44
○ 2026-05-13 23:54:40

●A72.52.161.1162026-05-08 → 2026-05-13 · 3 obs

○ 2017-05-13 23:33:10
● 2026-05-08 15:59:44
● 2026-05-13 23:54:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
extendsystems.com	ns.sourcedns.com, ns1.sourcedns.com	2 records

✅ Authoritative Response

Server:69.16.223.254

NS records: ns.sourcedns.com, ns1.sourcedns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extendsystems.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.52.161.116`
NS	2	`ns1.liquidweb.com, ns.liquidweb.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	2	`v=spf1 include:emailsrvr.com ~all, _globalsign-domain-verification=lyPspI4Q`
SOA	1	`ns.liquidweb.com admin.liquidweb.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.sourcedns.com, ns1.sourcedns.com)

Analysis

IP Addresses

extendsystems.com points to IP number 72.52.161.116.

Name Servers

extendsystems.com is delegated to four name servers: ns1.liquidweb.com, ns.liquidweb.com, ns1.sourcedns.com and ns.sourcedns.com.

extendsystems.com shares name servers with other domains at least partially, for example liaf.org, countrygirlcharters.com, food-technologies.com, squaladesign.xyz and ocremodelinginc.com.

These name servers are commonly used with the name servers dns1.10dollar.ca and dns2.10dollar.ca.

Host names with two IP numbers

ns1.liquidweb.com points to 2607:fad0:0:8927::a and 69.16.223.254.

ns.liquidweb.com points to 2607:fad0:0:8917::a and 69.16.222.254.

ns1.sourcedns.com points to 2607:fad0:0:8927::a and 69.16.223.254.

ns.sourcedns.com points to 2607:fad0:0:8917::a and 69.16.222.254.

Host names that point to 2607:fad0:0:8927::a: ns1.liquidweb.com and ns1.sourcedns.com.

Host names that point to 69.16.223.254: ns1.liquidweb.com and ns1.sourcedns.com.

Host names that point to 2607:fad0:0:8917::a: ns.liquidweb.com and ns.sourcedns.com.

Host names that point to 69.16.222.254: ns.liquidweb.com and ns.sourcedns.com.

Mail Servers

Two mail servers mx1.emailsrvr.com and mx2.emailsrvr.com handle extendsystems.com.

extendsystems.com shares the same mail server setup as other domains, for instance class3weapons.com, frederickinc.com, riverrockchurchphilippines.com, crownphosphate.com and squamlake.org.

extendsystems.com shares mail servers with other domains at least partially; for instance gippopiccolo.com, sanef-its-bc.com, alcatools.com, thepadgettgroup.com and client-216-57-220-216.bhm.pogozone.net.

Host names with four IP numbers:

The host name mx1.emailsrvr.com points to 108.166.43.1, 146.20.161.1, 173.203.187.1 and 184.106.54.1.

Host names with one IP number:

The host name mx2.emailsrvr.com points to 184.106.54.2.

extendsystems.com - robtex.com