ldsystems.com - dns.ninja

`ldsystems.com`

DNSSEC	⚠️ Not signed
A	192.124.249.70^{🇺🇸 AS30148192.124.249.0/24 Sucuri, Inc.}
		PTR	`cloudproxy10020.sucuri.net`
NS	`dbru.br.ns.els-gms.att.net` ⭐
		A	2001:1890:1ff:9f0:68:94:156:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dbru.br.ns.els-gms.att.net`
		A	68.94.156.134^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`dbru.br.ns.els-gms.att.net`
NS	`dmtu.mt.ns.els-gms.att.net`
		A	2001:1890:1ff:9f1:99:99:99:134^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.ns.els-gms.att.net`
		A	99.99.99.134^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`dmtu.mt.ns.els-gms.att.net`
MX	`ldsystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c803::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	52.101.9.20^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr02cu00604.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.41.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.41.180^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
TXT	`5pl84btau9k63vvidai2p0dq8k`
TXT	`google-site-verification=F-r8R3obeZkJn9vWeM0Wx6Vc-AzVkt-xojW7FwbGXDg`
TXT	`a7kh13h7sejfrngcubj00tgp9h`
TXT	`@90v7hem0p8i92inj3amutovqcr`
TXT	`cisco-ci-domain-verification=4fa85c20e51bca210114c9f9f55ffd86e3ec40202f908dc5...`
TXT	`MS=ms11123012`
TXT	`v=spf1 a:mail.ldsystems.com ip4:12.69.0.133 ip4:12.69.0.135 a:ldhmx1.ldsystem...`
SOA	`dbru.br.ns.els-gms.att.net`rm-hostmaster@ems.att.com serial=85

`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=1786151679

Subdomains

ldhmx1.ldsystems.com

mail.ldsystems.com

Same first word

ldsystems.us

ldsystems.de

ldsystems.net

ldsystems.com

ldsystems.ru

Similar names

sldsystem.com

sdlsystem.se

dlsystems.se

DNS History

9 records (4 active, 5 former)

●NSdbru.br.ns.els-gms.att.net2015-06-24 → 2026-08-08 · 2 obs

● 2015-06-24 22:06:24
● 2026-08-08 01:20:34

●NSdmtu.mt.ns.els-gms.att.net2015-06-24 → 2026-08-08 · 2 obs

● 2015-06-24 22:06:24
● 2026-08-08 01:20:34

●MXldsystems-com.mail.protection.outlook.com2026-03-24 → 2026-08-08 · 3 obs

○ 2017-01-11 00:25:08
● 2026-03-24 23:37:04
● 2026-08-08 01:20:34

○MXldsystems.com.inbound10.mxlogic.net2015-06-24 → 2016-04-12 · 4 obs

● 2015-06-24 22:06:24
● 2016-04-12 20:37:48
○ 2017-01-11 00:25:08
○ 2026-08-08 01:20:34

○MXldsystems.com.inbound10.mxlogicmx.net2015-06-24 → 2016-04-12 · 4 obs

● 2015-06-24 22:06:24
● 2016-04-12 20:37:48
○ 2017-01-11 00:25:08
○ 2026-08-08 01:20:34

○MXus-smtp-inbound-1.mimecast.com2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-12 20:37:48
● 2017-01-11 00:25:08
○ 2026-03-24 23:37:04
○ 2026-08-08 01:20:34

○MXus-smtp-inbound-2.mimecast.com2017-01-11 → 2017-01-11 · 4 obs

○ 2016-04-12 20:37:48
● 2017-01-11 00:25:08
○ 2026-03-24 23:37:04
○ 2026-08-08 01:20:34

○A12.69.0.1522015-06-24 → 2017-01-11 · 4 obs

● 2015-06-24 22:06:24
● 2017-01-11 00:25:08
○ 2026-03-24 23:37:04
○ 2026-08-08 01:20:34

●A192.124.249.702026-03-24 → 2026-08-08 · 3 obs

○ 2017-01-11 00:25:08
● 2026-03-24 23:37:04
● 2026-08-08 01:20:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ldsystems.com	dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net	-

✅ Authoritative Response

Server:99.99.99.134

NS records: dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ldsystems.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.124.249.70`
NS	2	`dmtu.mt.ns.els-gms.att.net, dbru.br.ns.els-gms.att.net`
MX	1	`ldsystems-com.mail.protection.outlook.co`
TXT	7	`v=spf1 a:mail.ldsystems.com ip4:12.69.0., 5pl84btau9k63vvidai2p0dq8k...`
SOA	1	`dbru.br.ns.els-gms.att.net rm-hostmaster`

Analysis

Hierarchy

ldhmx1.ldsystems.com and mail.ldsystems.com are both subdomains of ldsystems.com.

IP Addresses

ldsystems.com resolves to one IP address: 192.124.249.70.

oilfieldinventoryassessment.com, hmmobilehomeremodelers.com, dlwstoryteller.com and two other host names share IP numbers with ldsystems.com.

Name Servers

ldsystems.com uses two name servers for its delegation: dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

ldsystems.com uses the same name servers as several other domains — among them catholiccentral.com, ngcodec.org, unitedregional.org and two more.

There is at least partial name server overlap between ldsystems.com and other domains — 163.12.in-addr.arpa, ramada.ie, travelresidences.com and two more among them.

These name servers regularly appear alongside cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, dns3.carnival.com and 7 other name servers in NS record sets.

The two host names dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net each have a pair of IP addresses: dbru.br.ns.els-gms.att.net has 68.94.156.134 and 2001:1890:1ff:9f0:68:94:156:134, and dmtu.mt.ns.els-gms.att.net has 99.99.99.134 and 2001:1890:1ff:9f1:99:99:99:134.

Mail Servers

Mail for ldsystems.com is handled by a single mail server, ldsystems-com.mail.protection.outlook.com.

ldsystems-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.9.20, 52.101.10.12, 52.101.41.3 and 5 others.