phptr.ca - dns.ninja

`phptr.ca`

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.com`gns-dnsoperations@pearson.com serial=7

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2607231930

Same first word

phptr.com

phptr.ca

Similar names

prpht.it

prpht.eu

hprtp.info

thrpp.com

hrppt.com

trphp.com

DNS History

13 records (6 active, 7 former)

●NSdns-amer-2.ptns.pearson.com2026-05-21 → 2026-07-23 · 3 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
● 2026-07-23 20:11:28

●NSdns-apac-1.ptns.pearson.com2026-05-21 → 2026-07-23 · 3 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
● 2026-07-23 20:11:28

●NSdns-emea-1.ptns.pearson.com2026-05-21 → 2026-07-23 · 3 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
● 2026-07-23 20:11:28

○NSns01.pearson.com2015-08-09 → 2016-07-10 · 4 obs

● 2015-08-09 07:01:24
● 2016-07-10 12:20:48
○ 2026-05-21 01:10:58
○ 2026-07-23 20:11:28

○NSns02.pearson.com2015-08-09 → 2016-07-10 · 4 obs

● 2015-08-09 07:01:24
● 2016-07-10 12:20:48
○ 2026-05-21 01:10:58
○ 2026-07-23 20:11:28

○NSns03.pearson.com2015-08-09 → 2016-07-10 · 4 obs

● 2015-08-09 07:01:24
● 2016-07-10 12:20:48
○ 2026-05-21 01:10:58
○ 2026-07-23 20:11:28

○NSns04.pearson.com2015-08-09 → 2016-07-10 · 4 obs

● 2015-08-09 07:01:24
● 2016-07-10 12:20:48
○ 2026-05-21 01:10:58
○ 2026-07-23 20:11:28

●NSns1.pearson.com2026-05-21 → 2026-07-23 · 3 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
● 2026-07-23 20:11:28

●NSns2.pearson.com2026-05-21 → 2026-07-23 · 3 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
● 2026-07-23 20:11:28

○A159.182.16.2432016-03-03 → 2016-07-10 · 5 obs

○ 2015-11-25 15:12:20
● 2016-03-03 22:19:40
● 2016-07-10 12:20:48
○ 2026-05-21 01:10:58
○ 2026-07-23 20:11:28

●A159.182.72.182026-05-21 → 2026-07-23 · 4 obs

○ 2016-07-10 12:20:48
● 2026-05-21 01:10:58
○ 2026-07-02 10:58:16
● 2026-07-23 20:11:28

○A165.193.215.1832015-08-09 → 2015-11-25 · 4 obs

● 2015-08-09 07:01:24
● 2015-11-25 15:12:20
○ 2016-03-03 22:19:40
○ 2026-07-23 20:11:28

○A168.146.68.332026-07-02 → 2026-07-02 · 3 obs

○ 2026-05-21 01:10:58
● 2026-07-02 10:58:16
○ 2026-07-23 20:11:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	-
phptr.ca	ns1.pearson.com, ns2.pearson.com	-

✅ Authoritative Response

Server:168.146.112.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for phptr.ca (unsigned zone)

⏱️ Timing

Total: 1027ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.182.72.18`
NS	3	`dns-amer-2.ptns.pearson.com, dns-emea-1.ptns.pearson.com...`
TXT	1	`v=spf1 -all`
SOA	1	`dns-amer-2.ptns.pearson.com gns-dnsopera`

Analysis

IP Addresses

phptr.ca directs to one IP number, which is 159.182.72.18.

Among the host names that share IP numbers with phptr.ca are parentingeducation.com, testnavqualified.com, informit.net and two others.

Name Servers

The authoritative name servers for phptr.ca are ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

phptr.ca has at least partial name server overlap with other domains, such as (0x6469636b)njane.com, pearsonforparents.com, mycomplab.com and two others.

It is common to see these name servers used together with name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Hosts that resolve to one IP address:

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.