masteringastro.com - dns.ninja

`masteringastro.com`

DNSSEC	⚠️ Not signed
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`
SOA	`dns-amer-2.ptns.pearson.com`gns-dnsoperations@pearson.com 2010-12-10 #66

`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.net`nstld@verisign-grs.com serial=1786019314

Same first word

masteringastro.com

Similar names

astormastering.com.ar

instagramstore.com

mngaristastore.de

asmintegrators.com

DNS History

13 records (5 active, 8 former)

●NSdns-amer-2.ptns.pearson.com2026-05-07 → 2026-08-06 · 3 obs

○ 2017-03-27 23:40:08
● 2026-05-07 22:24:12
● 2026-08-06 12:33:20

●NSdns-apac-1.ptns.pearson.com2026-05-07 → 2026-08-06 · 3 obs

○ 2017-03-27 23:40:08
● 2026-05-07 22:24:12
● 2026-08-06 12:33:20

●NSdns-emea-1.ptns.pearson.com2026-05-07 → 2026-08-06 · 3 obs

○ 2017-03-27 23:40:08
● 2026-05-07 22:24:12
● 2026-08-06 12:33:20

○NSns01.pearson.com2015-08-15 → 2017-03-27 · 5 obs

○ 2008-03-19 02:36:30
● 2015-08-15 19:07:48
● 2017-03-27 23:40:08
○ 2026-05-07 22:24:12
○ 2026-08-06 12:33:20

○NSns02.pearson.com2015-08-15 → 2017-03-27 · 5 obs

○ 2008-03-19 02:36:30
● 2015-08-15 19:07:48
● 2017-03-27 23:40:08
○ 2026-05-07 22:24:12
○ 2026-08-06 12:33:20

○NSns03.pearson.com2015-08-15 → 2017-03-27 · 5 obs

○ 2008-03-19 02:36:30
● 2015-08-15 19:07:48
● 2017-03-27 23:40:08
○ 2026-05-07 22:24:12
○ 2026-08-06 12:33:20

○NSns04.pearson.com2015-08-15 → 2017-03-27 · 5 obs

○ 2008-03-19 02:36:30
● 2015-08-15 19:07:48
● 2017-03-27 23:40:08
○ 2026-05-07 22:24:12
○ 2026-08-06 12:33:20

●NSns1.pearson.com2026-05-07 → 2026-08-06 · 3 obs

○ 2017-03-27 23:40:08
● 2026-05-07 22:24:12
● 2026-08-06 12:33:20

●NSns2.pearson.com2026-05-07 → 2026-08-06 · 3 obs

○ 2017-03-27 23:40:08
● 2026-05-07 22:24:12
● 2026-08-06 12:33:20

○NSoldtxdns2.pearsontc.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 02:36:30
○ 2015-08-15 19:07:48
○ 2026-08-06 12:33:20

○NSusrxdns1.pearsontc.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 02:36:30
○ 2015-08-15 19:07:48
○ 2026-08-06 12:33:20

○A206.31.248.442015-08-15 → 2017-03-27 · 5 obs

○ 2008-03-19 02:36:30
● 2015-08-15 19:07:48
● 2017-03-27 23:40:08
○ 2026-05-07 22:24:12
○ 2026-08-06 12:33:20

○A209.202.161.1702008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 02:36:30
○ 2015-08-15 19:07:48
○ 2026-08-06 12:33:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
masteringastro.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 masteringastro.com (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com...`
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

Name Servers

masteringastro.com has five name servers, which are ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

The name servers of masteringastro.com overlap at least partially with those of other domains — among them pls-5.com, kto8.com, mydevelopmentlab.net and two more.

These name servers commonly appear alongside the name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Hosts with just one IP address:

ns1.pearson.com points to the IP address 168.146.112.10.

ns2.pearson.com points to the IP address 168.146.112.11.

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

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

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