concentrictech.com - dns.ninja

concentrictech.com

DNSSEC⚠️ Not signed
A66.96.160.142🇺🇸 EIG-2987366.96.128.0/18 Newfold Digital, Inc.
PTR142.160.96.66.static.eigbox.net
NSns1.yourhostingaccount.com ⭐
A65.254.254.102🇺🇸 EIG-2987365.254.224.0/19 Newfold Digital, Inc.
PTRns1.yourhostingaccount.com
NSns1.netfirms.com
A162.159.24.252Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.netfirms.com
A162.159.25.208Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmx1.emailsrvr.com ⭐
A146.20.161.1🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc
PTRmx1.emailsrvr.com
MXmx2.emailsrvr.com(20)
A184.106.54.2🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD
PTRmx2.emailsrvr.com
TXTv=spf1 mx:mx1.emailsrvr.com mx:mx2.emailsrvr.com include:emailsrvr.com -all
TXTgoogle-site-verification=_g3-1y1KbR0zKA1qoBBm79alnzkS1T-JmfDjyu5_2-E
TXTbrevo-code:690bbd42ced83aed3d9455864956e823
SOAns1.yourhostingaccount.comadmin@yourhostingaccount.com 2011-06-22 #80

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786514259

Subdomains

www.concentrictech.com

Same first word

concentrictech.com

DNS History

13 records (6 active, 7 former)

2008201020122014201620182020202220242026NSns1.netfirms.comns1.yourhostingaccount.comns2.netfirms.comns2.yourhostingaccount.comMXmx1.emailsrvr.commx2.emailsrvr.cominbound.mailwise.comsmtpbackup.mailwise.comA66.96.160.14266.244.252.17766.96.149.1666.96.149.1966.96.160.168
●NSns1.netfirms.com2007-10-23 → 2026-08-12 · 5 obs
● 2007-10-23 03:47:58
○ 2015-06-07 08:36:28
○ 2016-12-07 10:59:54
● 2018-05-31 11:20:16
● 2026-08-12 06:26:32
●NSns1.yourhostingaccount.com2015-06-07 → 2026-08-12 · 3 obs
○ 2007-10-23 03:47:58
● 2015-06-07 08:36:28
● 2026-08-12 06:26:32
●NSns2.netfirms.com2007-10-23 → 2026-08-12 · 5 obs
● 2007-10-23 03:47:58
○ 2015-06-07 08:36:28
○ 2016-12-07 10:59:54
● 2018-05-31 11:20:16
● 2026-08-12 06:26:32
○NSns2.yourhostingaccount.com2015-06-07 → 2016-12-07 · 5 obs
○ 2007-10-23 03:47:58
● 2015-06-07 08:36:28
● 2016-12-07 10:59:54
○ 2018-05-31 11:20:16
○ 2026-08-12 06:26:32
○MXinbound.mailwise.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 03:47:58
○ 2015-06-07 08:36:28
○ 2026-08-12 06:26:32
●MXmx1.emailsrvr.com2015-06-07 → 2026-08-12 · 3 obs
○ 2007-10-23 03:47:58
● 2015-06-07 08:36:28
● 2026-08-12 06:26:32
●MXmx2.emailsrvr.com2015-06-07 → 2026-08-12 · 3 obs
○ 2007-10-23 03:47:58
● 2015-06-07 08:36:28
● 2026-08-12 06:26:32
○MXsmtpbackup.mailwise.com2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 03:47:58
○ 2015-06-07 08:36:28
○ 2026-08-12 06:26:32
○A66.244.252.1772007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 03:47:58
○ 2015-06-07 08:36:28
○ 2026-08-12 06:26:32
○A66.96.149.162016-04-01 → 2016-12-07 · 5 obs
○ 2015-12-25 15:38:46
● 2016-04-01 17:42:46
● 2016-12-07 10:59:54
○ 2018-05-31 11:20:16
○ 2026-08-12 06:26:32
○A66.96.149.192018-05-31 → 2018-05-31 · 4 obs
○ 2016-12-07 10:59:54
● 2018-05-31 11:20:16
○ 2026-03-26 20:31:58
○ 2026-08-12 06:26:32
●A66.96.160.1422026-03-26 → 2026-08-12 · 3 obs
○ 2018-05-31 11:20:16
● 2026-03-26 20:31:58
● 2026-08-12 06:26:32
○A66.96.160.1682015-06-07 → 2015-12-25 · 5 obs
○ 2007-10-23 03:47:58
● 2015-06-07 08:36:28
● 2015-12-25 15:38:46
○ 2016-04-01 17:42:46
○ 2026-08-12 06:26:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
concentrictech.comns1.netfirms.com, ns2.netfirms.com4 records

✅ Authoritative Response

Server:162.159.24.252

NS records: ns1.netfirms.com, ns2.netfirms.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concentrictech.com (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

TypeCountSample Data
A166.96.160.142
NS2ns2.netfirms.com, ns1.netfirms.com
MX2mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)
TXT3v=spf1 mx:mx1.emailsrvr.com mx:mx2.email, brevo-code:690bbd42ced83aed3d9455864956e...
SOA1ns1.yourhostingaccount.com admin.yourhos

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.netfirms.com, ns1.netfirms.com, ns2.netfirms.com...)

Analysis

Hierarchy

concentrictech.com serves as the parent of www.concentrictech.com.

IP Addresses

concentrictech.com has exactly one IP address — 66.96.160.142.

isamaine.com, infinitemarkets.com, cccn.us plus two other host names have IP numbers in common with concentrictech.com.

Name Servers

concentrictech.com has three name servers — ns1.netfirms.com, ns2.netfirms.com and ns1.yourhostingaccount.com.

concentrictech.com has at least partial name server overlap with other domains, such as cruiseinjurylaw.com, honorscourse.net, wildboarcentral.net and two others.

ns2.yourhostingaccount.com, ns1.dotster.com and ns2.dotster.com — plus 7 other name servers — are commonly paired with these name servers.

Each of the three hostnames points to exactly one IP address: ns1.netfirms.com points to 162.159.24.252, ns2.netfirms.com points to 162.159.25.208 and ns1.yourhostingaccount.com points to 65.254.254.102.

Mail Servers

concentrictech.com uses two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.

The mail server setup of concentrictech.com matches that of other domains such as thesaxonpub.com, stargazingkauai.com, integratedgenomics.com and two others.

At least some of concentrictech.com's mail servers are shared with other domains, among them lakecreekconstruction.com, michigangardener.com, sharpeimages.com and bbrunner.de.

mx1.emailsrvr.com directs to 146.20.161.1 and mx2.emailsrvr.com directs to 184.106.54.2; each host name points to exactly one IP number.