`grbb.polymtl.ca`

DNSSEC	⚠️ Not signed
NS	`ns1.polymtl.ca` ⭐ ⚠️ Not in zone NS records
		A	132.207.6.11^{🇨🇦 RISQ132.207.0.0/16 Ecole Polytechnique de Montreal}
			PTR	`ns1.polymtl.ca`
NS	`charles.cdec.polymtl.ca` ⚠️ Not in parent delegation
		A	132.207.144.2^{🇨🇦 RISQ132.207.0.0/16 Ecole Polytechnique de Montreal}
			PTR	`charles.cdec.polymtl.ca`
NS	`ns1.risq.qc.ca`
		A	2001:510:100:192::111^{🇨🇦 RISQ2001:510:100::/48 -INT_MTRL (risq-mtrl-ipv6)}
			PTR	`ns1.qix.ca`
			PTR	`ns1.risq.qc.ca`
		A	192.26.210.111^{🇨🇦 RISQ192.26.210.0/24 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)}
			PTR	`ns1.risq.qc.ca`
NS	`ns2.polymtl.ca` ⚠️ Not in zone NS records
		A	132.207.6.12^{🇨🇦 RISQ132.207.0.0/16 Ecole Polytechnique de Montreal}
NS	`ns2.risq.qc.ca`
		A	2001:510:100:244::111^{🇨🇦 RISQ2001:510:100::/48 -INT_MTRL (risq-mtrl-ipv6)}
			PTR	`ns2.qix.ca`
			PTR	`ns2.risq.qc.ca`
		A	206.167.244.111^{🇨🇦 RISQ206.167.244.0/24 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)}
			PTR	`ns2.risq.qc.ca`
MX	`smtp.polymtl.ca` ⭐
		A	132.207.4.11^{🇨🇦 RISQ132.207.0.0/16 Ecole Polytechnique de Montreal}
			PTR	`smtp.polymtl.ca`
SOA	`ns1.polymtl.ca`postmaster@polymtl.ca 2026-03-18 #1

`polymtl.ca`

	DNSSEC	⚠️ Not signed
	A	45.60.44.40^{🇺🇸 IMPERVA45.60.44.0/24 ORIXCOM via EMIX}
	A	45.60.105.40^{🇺🇸 IMPERVA45.60.105.0/24 ORIXCOM via EMIX}
	NS	`ns1.zonerisq.ca` ⭐
	NS	`ns2.zonerisq.ca`
	MX	`mx1.hc737-8.ca.iphmx.com` ⭐
	MX	`mx2.hc737-8.ca.iphmx.com`⁽¹⁵⁾
	TXT	`ms-domain-verification=c9018424-c1da-4966-b521-5982370df315`
	TXT	`xm5htq2ncc99jyxzk8fzqd7b0x9b1c4b`
	TXT	`v=spf1 ip4:132.207.0.0/16 include:spf.mandrillapp.com include:spf_local.uqueb...`
	TXT	`spf2.0/pra ?all`
	TXT	`MS=ms30613241`
	TXT	`google-site-verification=JvpCXNE4H1YERnQQhlKe7ZJLEkZpND0CtilJQaV6mqI`
	TXT	`duo_sso_verification=iclTdcOb2tVejr8onjYcNxz5eFF1rl990xcOZdZa4pJytMRzqilL5EE6...`
	TXT	`atlassian-sending-domain-verification=8d7469c9-da6c-4933-930f-c05d6b46b38a`
	TXT	`ZOOM_verify_lZZ3Y89-R9CMmcFM5qNcTQ`
	TXT	`ciscocidomainverification=6ff4d0c0bd0e054c48efa45ae616018e0b6c2b77e1f230412c3...`
	TXT	`atlassian-domain-verification=wiw65Td5Z3aoNEnUvcc4OsG6CwGkgxZGfd46LIRyIqsYJML...`
	TXT	`google-site-verification=VQTjDkZ23v09xIZumeM2Qn4BOov1Y_x0JaYLZTJEwf8`
	TXT	`druide-validation-domaine=E4918Fde324F173243D57134b8729b71`
	SOA	`ns1.zonerisq.ca`dnsmaster@polymtl.ca 2026-03-25 #1

WOT: SAFE (60/100)
rank #16211 globally
rank #125 in the tld
WOT: SAFE (95/100)
📈 Tranco rank: #21,191

Same first word

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DNS History

6 records (6 active, 0 former)

●NScharles.cdec.polymtl.ca2015-08-26 → 2026-03-29 · 2 obs

● 2015-08-26 16:02:00
● 2026-03-29 18:59:34

●NSns1.polymtl.ca2026-03-29 → 2026-03-29 · 3 obs

○ 2015-08-26 16:02:00
● 2026-03-29 18:59:32
● 2026-03-29 18:59:34

●NSns1.risq.qc.ca2015-08-26 → 2026-03-29 · 2 obs

● 2015-08-26 16:02:00
● 2026-03-29 18:59:34

●NSns2.polymtl.ca2026-03-29 → 2026-03-29 · 3 obs

○ 2015-08-26 16:02:00
● 2026-03-29 18:59:32
● 2026-03-29 18:59:34

●NSns2.risq.qc.ca2015-08-26 → 2026-03-29 · 2 obs

● 2015-08-26 16:02:00
● 2026-03-29 18:59:34

●MXsmtp.polymtl.ca2015-08-26 → 2026-03-29 · 2 obs

● 2015-08-26 16:02:00
● 2026-03-29 18:59:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
polymtl.ca	ns1.zonerisq.ca, ns2.zonerisq.ca	4 records
grbb.polymtl.ca	ns1.risq.qc.ca, ns1.polymtl.ca, ns2.risq.qc.ca, ns2.polymtl.ca	2 records