lfclassnet.com - dns.ninja

lfclassnet.com

DNSSEC⚠️ Not signed
A168.146.68.33🇺🇸 PEARSON-NA168.146.68.0/22 NCS Pearson Inc.
PTRus1.park.global.pearson.com
PTRus1.redirect.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

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=1780920776

Same first word

lfclassnet.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comdns1.ecollege.comns1.ecollege.comMXmxa-000e6001.gslb.pphosted.commxb-000e6001.gslb.pphosted.comA168.146.68.33159.182.165.105159.182.72.18
●NSdns-amer-2.ptns.pearson.com2026-03-12 → 2026-06-08 · 3 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-06-08 12:35:32
●NSdns-apac-1.ptns.pearson.com2026-03-12 → 2026-06-08 · 3 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-06-08 12:35:32
●NSdns-emea-1.ptns.pearson.com2026-03-12 → 2026-06-08 · 3 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-06-08 12:35:32
○NSdns1.ecollege.com2015-08-17 → 2016-12-03 · 4 obs
● 2015-08-17 05:22:26
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-06-08 12:35:32
○NSns1.ecollege.com2015-08-17 → 2016-12-03 · 4 obs
● 2015-08-17 05:22:26
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-06-08 12:35:32
●NSns1.pearson.com2026-03-12 → 2026-06-08 · 3 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-06-08 12:35:32
●NSns2.pearson.com2026-03-12 → 2026-06-08 · 3 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-06-08 12:35:32
○MXmxa-000e6001.gslb.pphosted.com2015-08-17 → 2016-12-03 · 4 obs
● 2015-08-17 05:22:26
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-06-08 12:35:32
○MXmxb-000e6001.gslb.pphosted.com2015-08-17 → 2016-12-03 · 4 obs
● 2015-08-17 05:22:26
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-06-08 12:35:32
○A159.182.165.1052015-08-17 → 2016-12-03 · 4 obs
● 2015-08-17 05:22:26
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-06-08 12:35:32
○A159.182.72.182026-03-12 → 2026-04-01 · 5 obs
○ 2016-12-03 09:36:10
● 2026-03-12 14:49:08
● 2026-04-01 03:42:52
○ 2026-06-07 02:00:44
○ 2026-06-08 12:35:32
●A168.146.68.332026-06-07 → 2026-06-08 · 3 obs
○ 2026-04-01 03:42:52
● 2026-06-07 02:00:44
● 2026-06-08 12:35:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...-
lfclassnet.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 lfclassnet.com (unsigned zone)

⏱️ Timing

Total: 133ms | Queries: -

📄 Records

TypeCountSample Data
A1168.146.68.33
NS3dns-emea-1.ptns.pearson.com, dns-apac-1.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

lfclassnet.com has exactly one IP address — 168.146.68.33.

groupassessment.com, us1.park.global.pearson.com, seusing.com plus two other host names have IP numbers in common with lfclassnet.com.

Name Servers

lfclassnet.com delegates to 5 name servers — ns1.pearson.com, ns2.pearson.com and dns-amer-2.ptns.pearson.com among them, along with two more.

lfclassnet.com partially shares its NS delegation with several other domains, including myitcertificationlab.com, modifiedmastering.com, anatomy360.com and two others.

These name servers are regularly seen alongside dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com as name servers.

Host names with one IP number:

The hostname ns1.pearson.com resolves to 168.146.112.10.

The hostname ns2.pearson.com resolves to 168.146.112.11.

The hostname dns-amer-2.ptns.pearson.com resolves to 159.182.12.40.

The hostname dns-apac-1.ptns.pearson.com resolves to 159.182.67.40.

The hostname dns-emea-1.ptns.pearson.com resolves to 159.182.79.40.