`rationalcanada.com`

DNSSEC	⚠️ Not signed
A	51.116.176.235^{🇩🇪 Microsoft51.116.0.0/16}
NS	`ns1-08.azure-dns.com` ⭐
		A	2603:1061:0:700::8^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
		A	13.107.236.8^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-08.azure-dns.com`
NS	`ns2-08.azure-dns.net`
		A	2620:1ec:8ec:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
		A	150.171.21.8^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-08.azure-dns.net`
NS	`ns3-08.azure-dns.org`
		A	2a01:111:4000:700::8^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-08.azure-dns.org`
		A	204.14.183.8^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-08.azure-dns.org`
NS	`ns4-08.azure-dns.info`
		A	2620:1ec:bda:700::8^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
		A	208.84.5.8^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-08.azure-dns.info`
MX	`rationalcanada-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms48513561`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns1-08.azure-dns.com`hostmaster@rational-online.com 2020-04-08 #1

`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=1774722637

Same first word

rationalcanada.com

DNS History

16 records (6 active, 10 former)

○NSns.kontrast.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-11-27 12:18:36
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

○NSns.kontrast.de2015-08-16 → 2017-06-21 · 4 obs

● 2015-08-16 14:12:14
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

●NSns1-08.azure-dns.com2026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

○NSns1.kontrast.de2015-08-16 → 2016-11-27 · 4 obs

● 2015-08-16 14:12:14
● 2016-11-27 12:18:36
○ 2017-06-21 17:26:18
○ 2026-03-28 18:53:14

●NSns2-08.azure-dns.net2026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

○NSns2.openit.de2015-08-16 → 2016-11-27 · 4 obs

● 2015-08-16 14:12:14
● 2016-11-27 12:18:36
○ 2017-06-21 17:26:18
○ 2026-03-28 18:53:14

●NSns3-08.azure-dns.org2026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

●NSns4-08.azure-dns.info2026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

○MXrational.mailin1.rmx.de2015-08-16 → 2017-06-21 · 4 obs

● 2015-08-16 14:12:14
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

○MXrational.mailin2.rmx.de2015-08-16 → 2017-06-21 · 4 obs

● 2015-08-16 14:12:14
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

○MXrational.mailin3.rmx.de2015-08-16 → 2017-06-21 · 4 obs

● 2015-08-16 14:12:14
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

○MXrational.mailin4.rmx.de2015-08-16 → 2017-06-21 · 4 obs

● 2015-08-16 14:12:14
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

●MXrationalcanada-com.mail.protection.outlook.com2026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

○A185.110.41.1342017-06-21 → 2017-06-21 · 4 obs

○ 2016-11-27 12:18:36
● 2017-06-21 17:26:18
○ 2026-02-26 19:19:14
○ 2026-03-28 18:53:14

○A217.69.78.1802015-08-16 → 2016-11-27 · 4 obs

● 2015-08-16 14:12:14
● 2016-11-27 12:18:36
○ 2017-06-21 17:26:18
○ 2026-03-28 18:53:14

●A51.116.176.2352026-02-26 → 2026-03-28 · 3 obs

○ 2017-06-21 17:26:18
● 2026-02-26 19:19:14
● 2026-03-28 18:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rationalcanada.com	ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.8

NS records: ns1-08.azure-dns.com, ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rationalcanada.com (unsigned zone)

⏱️ Timing

Total: 236ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.116.176.235`
NS	4	`ns1-08.azure-dns.com, ns2-08.azure-dns.net...`
MX	1	`rationalcanada-com.mail.protection.outlo`
TXT	2	`MS=ms48513561, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1-08.azure-dns.com hostmaster.rational`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-08.azure-dns.com, ns1-08.azure-dns.com)

Analysis

IP Addresses

rationalcanada.com points to an IP address: 51.116.176.235.

other host names include rational-online.es, rational-deutschland.com, rational.hu, selfcooking.com and frima-online.com; they share IP numbers with rationalcanada.com.

Name Servers

rationalcanada.com delegates to four name servers: ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org.

rationalcanada.com at least partially shares name servers with other domains, for instance falcpa.com, toctocviajes.com, maestroaec.com, returnx.com and beyie.com.

Host names with two IP numbers: ns1-08.azure-dns.com points to 2603:1061:0:700::8 and 13.107.236.8; ns4-08.azure-dns.info points to 2620:1ec:bda:700::8 and 208.84.5.8; ns2-08.azure-dns.net points to 2620:1ec:8ec:700::8 and 150.171.21.8; ns3-08.azure-dns.org points to 2a01:111:4000:700::8 and 204.14.183.8.

Mail Servers

rationalcanada.com is handled by a single mail server, rationalcanada-com.mail.protection.outlook.com.

Hostname rationalcanada-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::b, 52.101.68.16, 52.101.68.36, 52.101.73.1 and 52.101.73.30.

rationalcanada.com - robtex.com