`mcgrawhillcreate.ca`

DNSSEC	⚠️ Not signed
A	32.192.99.80
		PTR	`ec2-32-192-99-80.compute-1.amazonaws.com`
A	44.193.89.77^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
A	54.90.109.178^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
NS	`pdns85.ultradns.com` ⭐
		A	2001:502:f3ff::79^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns85.ultradns.com`
		A	156.154.64.85^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns85.ultradns.com`
NS	`pdns85.ultradns.biz`
		A	2610:a1:1015::79^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns85.ultradns.biz`
		A	156.154.66.85^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns85.ultradns.biz`
NS	`pdns85.ultradns.net`
		A	2610:a1:1014::79^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns85.ultradns.net`
		A	156.154.65.85^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns85.ultradns.net`
NS	`pdns85.ultradns.org`
		A	2001:502:4612::79^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns85.ultradns.org`
		A	156.154.67.85^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns85.ultradns.org`
MX	`mail.eppg.com` ⭐
TXT	`v=spf1 mx -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2014-12-04 #23

`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=2604241800

Same first word

mcgrawhillcreate.mx

mcgrawhillcreate.ca

mcgrawhillcreate.com

mcgrawhillcreate.com.sg

mcgrawhillcreate.in

mcgrawhillcreate.net

mcgrawhillcreate.co.in

DNS History

14 records (8 active, 6 former)

●NSpdns85.ultradns.biz2015-08-03 → 2026-04-24 · 2 obs

● 2015-08-03 01:10:20
● 2026-04-24 18:44:06

●NSpdns85.ultradns.com2015-08-03 → 2026-04-24 · 2 obs

● 2015-08-03 01:10:20
● 2026-04-24 18:44:06

●NSpdns85.ultradns.net2015-08-03 → 2026-04-24 · 2 obs

● 2015-08-03 01:10:20
● 2026-04-24 18:44:06

●NSpdns85.ultradns.org2015-08-03 → 2026-04-24 · 2 obs

● 2015-08-03 01:10:20
● 2026-04-24 18:44:06

●MXmail.eppg.com2015-08-03 → 2026-04-24 · 2 obs

● 2015-08-03 01:10:20
● 2026-04-24 18:44:06

○A192.243.82.942015-08-03 → 2016-02-04 · 4 obs

● 2015-08-03 01:10:20
● 2016-02-04 08:57:44
○ 2016-06-29 05:01:46
○ 2026-04-24 18:44:06

○A3.212.116.1422026-04-22 → 2026-04-23 · 5 obs

○ 2016-06-29 05:01:46
● 2026-04-22 16:01:36
● 2026-04-23 15:57:06
○ 2026-04-24 00:10:18
○ 2026-04-24 18:44:06

○A3.230.191.322026-04-22 → 2026-04-23 · 5 obs

○ 2016-06-29 05:01:46
● 2026-04-22 16:01:36
● 2026-04-23 11:20:20
○ 2026-04-23 14:44:44
○ 2026-04-24 18:44:06

●A32.192.99.802026-04-24 → 2026-04-24 · 3 obs

○ 2026-04-23 15:57:06
● 2026-04-24 00:10:18
● 2026-04-24 18:44:06

●A44.193.89.772026-04-24 → 2026-04-24 · 3 obs

○ 2026-04-23 15:57:06
● 2026-04-24 00:10:18
● 2026-04-24 18:44:06

○A44.195.166.2002026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-22 22:43:16
● 2026-04-23 11:20:20
● 2026-04-23 15:57:06
○ 2026-04-24 00:10:18
○ 2026-04-24 18:44:06

○A44.221.186.802026-04-22 → 2026-04-22 · 5 obs

○ 2016-06-29 05:01:46
● 2026-04-22 16:01:36
● 2026-04-22 22:43:16
○ 2026-04-23 11:20:20
○ 2026-04-24 18:44:06

○A52.44.189.232026-04-23 → 2026-04-23 · 5 obs

○ 2026-04-23 11:20:20
● 2026-04-23 14:44:44
● 2026-04-23 15:57:06
○ 2026-04-24 00:10:18
○ 2026-04-24 18:44:06

●A54.90.109.1782026-04-24 → 2026-04-24 · 3 obs

○ 2026-04-23 15:57:06
● 2026-04-24 00:10:18
● 2026-04-24 18:44:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
mcgrawhillcreate.ca	pdns85.ultradns.com, pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.net	-

✅ Authoritative Response

Server:156.154.67.85

NS records: pdns85.ultradns.com, pdns85.ultradns.org, pdns85.ultradns.biz, pdns85.ultradns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mcgrawhillcreate.ca (unsigned zone)

⏱️ Timing

Total: 909ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`54.90.109.178, 44.193.89.77...`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
MX	1	`mail.eppg.com (pri: 5)`
TXT	1	`v=spf1 mx -all`
SOA	1	`pdns85.ultradns.com hostmaster.mheducati`

Analysis

IP Addresses

mcgrawhillcreate.ca resolves to three IPs: 32.192.99.80, 44.193.89.77 and 54.90.109.178.

Other host names, for example mhhevideo.com, create.mcgraw-hill.com, mcgrawhillcreate.com.sg and mcgrawhillcreate.co.in share IP numbers with mcgrawhillcreate.ca.

Name Servers

mcgrawhillcreate.ca's delegation is handled by four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

mcgrawhillcreate.ca partially shares name servers with other domains; examples include ctb.us, albertasocialstudies.com, mcgraw-hillbusinessweb.com, istudyabnormalpsychology.ca and mhrfamilystudies.ca.

Host names with two IPs:

pdns85.ultradns.biz points to 2610:a1:1015::79 and 156.154.66.85

pdns85.ultradns.com points to 2001:502:f3ff::79 and 156.154.64.85

pdns85.ultradns.net points to 2610:a1:1014::79 and 156.154.65.85

pdns85.ultradns.org points to 2001:502:4612::79 and 156.154.67.85

Mail Servers

mcgrawhillcreate.ca is handled by a single mail server, mail.eppg.com.

mcgrawhillcreate.ca has the same mail server setup as other domains, including mcgrawhillconnect.ca, mhhe.com, successinbiology.com, pharmacotherapy7.com and accesslange.net.

mcgrawhillcreate.ca - robtex.com