linktechcouplings.com - dns.ninja

`linktechcouplings.com`

DNSSEC	⚠️ Not signed
A	67.148.55.104^{🇺🇸 AS20967.148.0.0/16}
		PTR	`67-148-55-104.dia.static.centurylink.net`
NS	`auth1.dns.expedient.com` ⭐
		A	2607:f4d0:100:5::10^{🇺🇸 E-xpedient2607:f4d0::/32 Continental Broadband of PA IPv6}
		A	209.166.168.15^{🇺🇸 E-xpedient209.166.128.0/18 Pittsburgh}
			PTR	`auth1.dns.pitdc1.stargate.net`
NS	`auth2.dns.expedient.com`
		A	2607:f4d0:1300:1::10^{🇺🇸 E-xpedient2607:f4d0:1300::/40}
		A	216.183.191.12^{🇺🇸 E-xpedient216.183.160.0/19}
			PTR	`auth2.dns.bosdc1.expedient.net`
NS	`auth3.dns.expedient.com`
		A	2607:f4d0:200:5::10^{🇺🇸 E-xpedient2607:f4d0::/32 Continental Broadband of PA IPv6}
		A	207.54.143.204^{🇺🇸 E-xpedient207.54.128.0/18 Cleveland}
			PTR	`auth3.dns.expedient.com`
NS	`auth4.dns.expedient.com`
		A	2607:f4d0:500:2::10^{🇺🇸 E-xpedient2607:f4d0::/32 Continental Broadband of PA IPv6}
		A	209.166.144.108^{🇺🇸 E-xpedient209.166.128.0/18 Pittsburgh}
			PTR	`acm-auth04.ldap.custcbb.local`
NS	`auth5.dns.expedient.com` ⚠️ Not in parent delegation
		A	2607:f4d0:900:2::10^{🇺🇸 E-xpedient2607:f4d0:900::/48}
		A	216.230.112.43^{🇺🇸 E-xpedient216.230.96.0/19 Baltimore}
			PTR	`auth5.dns.datapointinc.net`
MX	`us-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.128.141^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
TXT	`v=spf1 -all`
TXT	`MS=ms45154879`
TXT	`docusign=be23fefa-f466-4239-b167-3c124b3d0eb2`
TXT	`0ed1fe018a2a90053efd79439f9d99d2b86fff5ea7`
SOA	`auth1.dns.expedient.com`hostmaster@expedient.com 2016-10-19 #1

`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=1786387189

Subdomains

www.linktechcouplings.com

Same first word

linktechcouplings.com

DNS History

20 records (8 active, 12 former)

●NSauth1.dns.expedient.com2017-01-08 → 2026-08-10 · 3 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
● 2026-08-10 19:08:10

●NSauth2.dns.expedient.com2017-01-08 → 2026-08-10 · 3 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
● 2026-08-10 19:08:10

●NSauth3.dns.expedient.com2017-01-08 → 2026-08-10 · 3 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
● 2026-08-10 19:08:10

●NSauth4.dns.expedient.com2017-01-08 → 2026-08-10 · 3 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
● 2026-08-10 19:08:10

●NSauth5.dns.expedient.com2017-01-08 → 2026-08-10 · 3 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
● 2026-08-10 19:08:10

○NSns1.sageisland.com2015-08-05 → 2016-01-23 · 4 obs

● 2015-08-05 14:15:06
● 2016-01-23 13:32:00
○ 2016-04-28 00:33:40
○ 2026-08-10 19:08:10

○NSns2.sageisland.com2015-08-05 → 2016-01-23 · 4 obs

● 2015-08-05 14:15:06
● 2016-01-23 13:32:00
○ 2016-04-28 00:33:40
○ 2026-08-10 19:08:10

○NSns39.domaincontrol.com2016-04-28 → 2016-04-28 · 4 obs

○ 2016-01-23 13:32:00
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

○NSns40.domaincontrol.com2016-04-28 → 2016-04-28 · 4 obs

○ 2016-01-23 13:32:00
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

○MXlinktechcouplings.com.inbound15.mxlogic.net2015-08-05 → 2016-04-28 · 4 obs

● 2015-08-05 14:15:06
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

○MXlinktechcouplings.com.inbound15.mxlogicmx.net2015-08-05 → 2016-04-28 · 4 obs

● 2015-08-05 14:15:06
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

○MXlinktechcouplings.com.mx1-us.mailanyone.net2017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
○ 2026-02-18 01:50:40
○ 2026-08-10 19:08:10

○MXlinktechcouplings.com.mx2-us.mailanyone.net2017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
○ 2026-02-18 01:50:40
○ 2026-08-10 19:08:10

○MXlinktechcouplings.com.mx3-us.mailanyone.net2017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
○ 2026-02-18 01:50:40
○ 2026-08-10 19:08:10

○MXmail.linktechcouplings.com2015-08-05 → 2016-04-28 · 4 obs

● 2015-08-05 14:15:06
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

●MXus-smtp-inbound-1.mimecast.com2026-02-18 → 2026-08-10 · 3 obs

○ 2017-01-08 18:28:18
● 2026-02-18 01:50:40
● 2026-08-10 19:08:10

●MXus-smtp-inbound-2.mimecast.com2026-02-18 → 2026-08-10 · 3 obs

○ 2017-01-08 18:28:18
● 2026-02-18 01:50:40
● 2026-08-10 19:08:10

○A50.62.173.692017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-28 00:33:40
● 2017-01-08 18:28:18
○ 2026-02-18 01:50:40
○ 2026-08-10 19:08:10

●A67.148.55.1042026-02-18 → 2026-08-10 · 3 obs

○ 2017-01-08 18:28:18
● 2026-02-18 01:50:40
● 2026-08-10 19:08:10

○A75.126.118.2272015-08-05 → 2016-04-28 · 4 obs

● 2015-08-05 14:15:06
● 2016-04-28 00:33:40
○ 2017-01-08 18:28:18
○ 2026-08-10 19:08:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linktechcouplings.com	auth1.dns.expedient.com, auth2.dns.expedient.com, auth3.dns.expedient.com, auth4.dns.expedient.com	4 records

✅ Authoritative Response

Server:209.166.168.15

NS records: auth1.dns.expedient.com, auth2.dns.expedient.com, auth3.dns.expedient.com, auth4.dns.expedient.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linktechcouplings.com (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`67.148.55.104`
NS	5	`auth5.dns.expedient.com, auth2.dns.expedient.com...`
MX	2	`us-smtp-inbound-2.mimecast.com (pri: 0), us-smtp-inbound-1.mimecast.com (pri: 0)`
TXT	4	`docusign=be23fefa-f466-4239-b167-3c124b3, 0ed1fe018a2a90053efd79439f9d99d2b86fff5e...`
SOA	1	`auth1.dns.expedient.com hostmaster.exped`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (auth1.dns.expedient.com, auth2.dns.expedient.com, auth3.dns.expedient.com...)

Analysis

Hierarchy

www.linktechcouplings.com is a subdomain of linktechcouplings.com.

IP Addresses

linktechcouplings.com points to a single IP number: 67.148.55.104.

Additional host names — www.nordsonmedical.com, nordsonmedical.com, smtp.ansamed.com and two others — share IP numbers with linktechcouplings.com.

Name Servers

Delegation for linktechcouplings.com is to five name servers: auth1.dns.expedient.com, auth2.dns.expedient.com, auth3.dns.expedient.com and two others.

The name servers of linktechcouplings.com overlap at least partially with those of other domains — among them magicab.com, eobsonline.com, 155.54.207.in-addr.arpa and two more.

These name servers commonly appear in delegations together with auth4.dns.expedient.com, auth5.dns.expedient.com, ns1.nframe.com and 7 other.

Host names with two IP numbers:

auth1.dns.expedient.com points to 209.166.168.15 and 2607:f4d0:100:5::10.

auth2.dns.expedient.com points to 216.183.191.12 and 2607:f4d0:1300:1::10.

auth3.dns.expedient.com points to 207.54.143.204 and 2607:f4d0:200:5::10.

auth4.dns.expedient.com points to 209.166.144.108 and 2607:f4d0:500:2::10.

auth5.dns.expedient.com points to 216.230.112.43 and 2607:f4d0:900:2::10.

Mail Servers

linktechcouplings.com has two mail servers: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

linktechcouplings.com shares the same mail server setup as other domains, including discoverymgt.com, 216.25.210.18.trimet.org, dmsi.com and two others.

linktechcouplings.com shares mail servers — at least in part — with other domains, including ctwilmington.com, laco.com, hartreepartners.com and two others.

Host names with 6 IP numbers:

us-smtp-inbound-1.mimecast.com resolves to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

us-smtp-inbound-2.mimecast.com resolves to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.128.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.128.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.128.242 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.132.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.132.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com are host names that each point to 170.10.132.242 IP addresses.