`mhrmathalberta.ca`

DNSSEC	⚠️ Not signed
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`
TXT	`v=spf1 mx -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2014-12-04 #18

`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=2604250930

Same first word

mhrmathalberta.ca

mhrmathalberta.com

DNS History

6 records (4 active, 2 former)

●NSpdns85.ultradns.biz2015-07-09 → 2026-04-25 · 2 obs

● 2015-07-09 13:46:16
● 2026-04-25 10:22:24

●NSpdns85.ultradns.com2015-07-09 → 2026-04-25 · 2 obs

● 2015-07-09 13:46:16
● 2026-04-25 10:22:24

●NSpdns85.ultradns.net2015-07-09 → 2026-04-25 · 2 obs

● 2015-07-09 13:46:16
● 2026-04-25 10:22:24

●NSpdns85.ultradns.org2015-07-09 → 2026-04-25 · 2 obs

● 2015-07-09 13:46:16
● 2026-04-25 10:22:24

○MXmail.eppg.com2015-07-09 → 2018-07-01 · 4 obs

● 2015-07-09 13:46:16
● 2018-07-01 10:27:42
○ 2026-04-22 13:29:56
○ 2026-04-25 10:22:24

○A12.26.55.1822015-07-09 → 2018-07-01 · 4 obs

● 2015-07-09 13:46:16
● 2018-07-01 10:27:42
○ 2026-04-22 13:29:56
○ 2026-04-25 10:22:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:156.154.66.85

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mhrmathalberta.ca (unsigned zone)

⏱️ Timing

Total: 770ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
TXT	1	`v=spf1 mx -all`
SOA	1	`pdns85.ultradns.com hostmaster.mheducati`

Analysis

Name Servers

mhrmathalberta.ca is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

mhrmathalberta.ca at least partially shares name servers with other domains, for instance mcgrawhill.com.ru, connectistudy.ca, mhnetplus.com, mhls.net and learnsmartadvantagedemo.com.

Host names with two IP numbers:

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

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

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

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

mhrmathalberta.ca - robtex.com