masteringchemistry.net - robtex.com

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masteringchemistry.net

DNSSEC⚠️ Not signed
A159.182.72.19🇺🇸 PEARSON-EMEA
PTRpearsontestprep.com
PTRlo1.redirect.global.pearson.com
NSdns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation
A159.182.12.40🇺🇸 PEARSON-NA
PTRdns-amer-2.ptns.pearson.com
NSdns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.67.40🇺🇸 PEARSON-APAC
PTRdns-apac-1.ptns.pearson.com
NSdns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.79.40🇺🇸 PEARSON-EMEA
PTRdns-emea-1.ptns.pearson.com
NSns1.pearson.com ⚠️ Not in zone NS records
A168.146.112.10🇺🇸 PEARSON-NA
PTRns1.pearson.com
NSns2.pearson.com ⚠️ Not in zone NS records
A168.146.112.11🇺🇸 PEARSON-NA
PTRns2.pearson.com
MXcustmx.cscdns.net ⭐ 🔒
A198.58.121.58🇺🇸 AKAMAI-LINODE-AP
PTR198-58-121-58.ip.linodeusercontent.com
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com 2023-04-14 #6

net

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=1771291465

Same first word

masteringchemistry.com

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comdns1.cscdns.netdns2.cscdns.netMXcustmx.cscdns.netA159.182.72.19165.160.13.20165.160.15.20
●NSdns-amer-2.ptns.pearson.com2026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
●NSdns-apac-1.ptns.pearson.com2026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
●NSdns-emea-1.ptns.pearson.com2026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
○NSdns1.cscdns.net2015-07-02 → 2018-07-04 · 3 obs
● 2015-07-02 23:25:56
● 2018-07-04 10:58:08
○ 2026-02-17 20:07:08
○NSdns2.cscdns.net2015-07-02 → 2018-07-04 · 3 obs
● 2015-07-02 23:25:56
● 2018-07-04 10:58:08
○ 2026-02-17 20:07:08
●NSns1.pearson.com2026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
●NSns2.pearson.com2026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
●MXcustmx.cscdns.net2015-07-02 → 2026-02-17 · 2 obs
● 2015-07-02 23:25:56
● 2026-02-17 20:07:08
●A159.182.72.192026-02-17 → 2026-02-17 · 2 obs
○ 2018-07-04 10:58:08
● 2026-02-17 20:07:08
○A165.160.13.202015-07-02 → 2018-07-04 · 3 obs
● 2015-07-02 23:25:56
● 2018-07-04 10:58:08
○ 2026-02-17 20:07:08
○A165.160.15.202015-07-02 → 2018-07-04 · 3 obs
● 2015-07-02 23:25:56
● 2018-07-04 10:58:08
○ 2026-02-17 20:07:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
masteringchemistry.netns2.pearson.com, ns1.pearson.com-

✅ Authoritative Response

Server: 168.146.112.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringchemistry.net (unsigned zone)

⏱️ Timing

Total: 47ms | Queries: -

📄 Records

TypeCountSample Data
A1159.182.72.19
NS3dns-emea-1.ptns.pearson.com, dns-amer-2.ptns.pearson.com...
MX1custmx.cscdns.net (pri: 10)
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

AI analysis

masteringchemistry.net points to a single IP: 159.182.72.19.

Other host names, for instance mybusspace.co.uk, internationalged.info, embanet.ca, pearsonsuccessnetwork.com and fuelbooks.com share IP numbers with masteringchemistry.net.

masteringchemistry.net 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.

masteringchemistry.net at least partially shares its name servers with other domains, for instance addison-wesley.ch, mymedicalterminologylab.org, labbench.com, projectboxes.co.uk and pearsonetexts.org.

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.

masteringchemistry.net is served by a single mail server, custmx.cscdns.net.

masteringchemistry.net uses the same mail server setup as other domains such as feliciana.ru, swedbank.fr, xn--resrrgrrt-41d.com, ektornetgroup.com and bddiabetes.mobi.

custmx.cscdns.net points to IP number 198.58.121.58.