lfclassnet.com - robtex.com
lfclassnet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.182.72.18🇺🇸 PEARSON-EMEA159.182.72.0/21 NCS Pearson Inc. | ||||||
| PTR | lo1.park.global.pearson.com | ||||||
| NS | dns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 159.182.12.40🇺🇸 PEARSON-NA159.182.12.0/24 NCS Pearson Inc. | ||||||
| PTR | dns-amer-2.ptns.pearson.com | ||||||
| NS | dns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation | ||||||
| A | 159.182.67.40🇺🇸 PEARSON-APAC159.182.67.0/24 Pearson Group | ||||||
| PTR | dns-apac-1.ptns.pearson.com | ||||||
| NS | dns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation | ||||||
| A | 159.182.79.40🇺🇸 PEARSON-EMEA159.182.79.0/24 Pearson Group | ||||||
| PTR | dns-emea-1.ptns.pearson.com | ||||||
| NS | ns1.pearson.com ⚠️ Not in zone NS records | ||||||
| A | 168.146.112.10🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc. | ||||||
| PTR | ns1.pearson.com | ||||||
| NS | ns2.pearson.com ⚠️ Not in zone NS records | ||||||
| A | 168.146.112.11🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc. | ||||||
| PTR | ns2.pearson.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | dns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com serial=7 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
lfclassnet.com |
DNS History
11 records (6 active, 5 former)
●NSdns-amer-2.ptns.pearson.com2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
●NSdns-apac-1.ptns.pearson.com2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
●NSdns-emea-1.ptns.pearson.com2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
○NSdns1.ecollege.com2015-08-17 → 2016-12-03 · 4 obs
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-03-12 14:49:10
○NSns1.ecollege.com2015-08-17 → 2016-12-03 · 4 obs
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-03-12 14:49:10
●NSns1.pearson.com2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
●NSns2.pearson.com2026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
○MXmxa-000e6001.gslb.pphosted.com2015-08-17 → 2016-12-03 · 4 obs
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-03-12 14:49:10
○MXmxb-000e6001.gslb.pphosted.com2015-08-17 → 2016-12-03 · 4 obs
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-03-12 14:49:10
○A159.182.165.1052015-08-17 → 2016-12-03 · 4 obs
● 2016-12-03 09:36:10
○ 2026-03-12 14:49:08
○ 2026-03-12 14:49:10
●A159.182.72.182026-03-12 → 2026-03-12 · 3 obs
● 2026-03-12 14:49:08
● 2026-03-12 14:49:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| lfclassnet.com | ns2.pearson.com, ns1.pearson.com | 2 records |
✅ Authoritative Response
Server: 168.146.112.10
NS records: ns2.pearson.com, ns1.pearson.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lfclassnet.com (unsigned zone)
⏱️ Timing
Total: 271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.182.72.18 |
| NS | 3 | dns-apac-1.ptns.pearson.com, dns-emea-1.ptns.pearson.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | dns-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 points to IP number 159.182.72.18.
For instance, other host names mybizlab.biz, myliteraturekit.us, mysockit.us, groupassessment.com and uclaonline.org share IP numbers with lfclassnet.com.
Name Servers
lfclassnet.com is delegated to five name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.
lfclassnet.com shares name servers with other domains at least partially, for example myitcertificationlab.com, modifiedmastering.com, anatomy360.com, pearsonconnections.com and pearsonelt.be.
Host names with one IP number:
ns1.pearson.com points to 168.146.112.10
ns2.pearson.com points to 168.146.112.11
dns-amer-2.ptns.pearson.com points to 159.182.12.40
dns-apac-1.ptns.pearson.com points to 159.182.67.40
dns-emea-1.ptns.pearson.com points to 159.182.79.40