btechnd.com - dns.ninja

btechnd.com

DNSSEC⚠️ Not signed
A159.182.72.18🇺🇸 PEARSON-EMEA159.182.72.0/21 NCS Pearson Inc.
PTRlo1.park.global.pearson.com
NSdns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation
A159.182.12.40🇺🇸 PEARSON-NA159.182.12.0/24 NCS Pearson Inc.
PTRdns-amer-2.ptns.pearson.com
NSdns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.67.40🇺🇸 PEARSON-APAC159.182.67.0/24 Pearson Group
PTRdns-apac-1.ptns.pearson.com
NSdns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.79.40🇺🇸 PEARSON-EMEA159.182.79.0/24 Pearson Group
PTRdns-emea-1.ptns.pearson.com
NSns1.pearson.com ⚠️ Not in zone NS records
A168.146.112.10🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns1.pearson.com
NSns2.pearson.com ⚠️ Not in zone NS records
A168.146.112.11🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns2.pearson.com
TXTv=spf1 -all
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com serial=7

com

Same first word

Similar names

DNS History

12 records (6 active, 6 former)

200920112013201520172019202120232025NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comdns1.cscdns.netdns2.cscdns.netMXcustmx.cscdns.netcustmx.register.comA159.182.72.18159.182.72.190168.146.68.33
NSdns-amer-2.ptns.pearson.com2026-03-07 → 2026-07-13 · 3 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
● 2026-07-13 12:29:20
NSdns-apac-1.ptns.pearson.com2026-03-07 → 2026-07-13 · 3 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
● 2026-07-13 12:29:20
NSdns-emea-1.ptns.pearson.com2026-03-07 → 2026-07-13 · 3 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
● 2026-07-13 12:29:20
NSdns1.cscdns.net2008-03-18 → 2017-08-27 · 4 obs
● 2008-03-18 02:00:36
● 2017-08-27 08:53:12
○ 2026-03-07 23:08:58
○ 2026-07-13 12:29:20
NSdns2.cscdns.net2008-03-18 → 2017-08-27 · 4 obs
● 2008-03-18 02:00:36
● 2017-08-27 08:53:12
○ 2026-03-07 23:08:58
○ 2026-07-13 12:29:20
NSns1.pearson.com2026-03-07 → 2026-07-13 · 3 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
● 2026-07-13 12:29:20
NSns2.pearson.com2026-03-07 → 2026-07-13 · 3 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
● 2026-07-13 12:29:20
MXcustmx.cscdns.net2015-05-24 → 2017-08-27 · 5 obs
○ 2008-03-18 02:00:36
● 2015-05-24 09:19:54
● 2017-08-27 08:53:12
○ 2026-03-07 23:08:58
○ 2026-07-13 12:29:20
MXcustmx.register.com2008-03-18 → 2008-03-18 · 3 obs
● 2008-03-18 02:00:36
○ 2015-05-24 09:19:54
○ 2026-07-13 12:29:20
A159.182.72.182026-03-07 → 2026-07-13 · 15 obs
○ 2017-08-27 08:53:12
● 2026-03-07 23:08:58
○ 2026-04-04 14:30:22
● 2026-04-05 13:11:32
○ 2026-04-07 22:12:56
● 2026-04-08 19:36:48
● 2026-04-10 16:28:48
○ 2026-04-12 19:37:02
● 2026-04-16 10:10:34
○ 2026-04-17 00:22:26
○ 2026-05-08 19:20:18
● 2026-05-14 01:17:02
● 2026-05-21 01:10:52
○ 2026-06-13 20:57:00
● 2026-07-13 12:29:20
A159.182.72.1902015-05-24 → 2017-08-27 · 5 obs
○ 2008-03-18 02:00:36
● 2015-05-24 09:19:54
● 2017-08-27 08:53:12
○ 2026-03-07 23:08:58
○ 2026-07-13 12:29:20
A168.146.68.332026-04-04 → 2026-06-13 · 14 obs
○ 2026-03-07 23:08:58
● 2026-04-04 14:30:22
○ 2026-04-05 13:11:32
● 2026-04-07 22:12:56
○ 2026-04-08 19:36:48
○ 2026-04-10 16:28:48
● 2026-04-12 19:37:02
○ 2026-04-16 10:10:34
● 2026-04-17 00:22:26
● 2026-05-08 19:20:18
○ 2026-05-14 01:17:02
○ 2026-05-21 01:10:52
● 2026-06-13 20:57:00
○ 2026-07-13 12:29:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
btechnd.comns2.pearson.com, ns1.pearson.com2 records

✅ Authoritative Response

Server:168.146.112.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btechnd.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

TypeCountSample Data
A1159.182.72.18
NS3dns-emea-1.ptns.pearson.com, dns-amer-2.ptns.pearson.com...
TXT1v=spf1 -all
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.pearson.com, ns1.pearson.com)

Analysis

IP Addresses

btechnd.com points to a single IP number: 159.182.72.18.

Additional host names — parentingeducation.com, testnavqualified.com, informit.net and two others — share IP numbers with btechnd.com.

Name Servers

Delegation for btechnd.com is to five name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

There is at least partial name server overlap between btechnd.com and other domains — pearsonassess.com, myhvaclab.com, mybtec.net and two more among them.

These name servers frequently co-occur with the name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Host names pointing to a single IP address:

ns1.pearson.com has the IP address 168.146.112.10.

ns2.pearson.com has the IP address 168.146.112.11.

dns-amer-2.ptns.pearson.com has the IP address 159.182.12.40.

dns-apac-1.ptns.pearson.com has the IP address 159.182.67.40.

dns-emea-1.ptns.pearson.com has the IP address 159.182.79.40.