`nationalfirestop.com`

DNSSEC	⚠️ Not signed
A	45.79.27.41^{🇺🇸 AKAMAI-LINODE-AP45.79.16.0/20}
		PTR	`li1126-41.members.linode.com`
NS	`ns1.justinwiebe.ca` ⭐
		A	184.68.74.182^{🇨🇦 ASN-SHAW184.68.64.0/19}
			PTR	`home.justinwiebe.ca`
NS	`ns2.justinwiebe.ca`
		A	184.69.38.174^{🇨🇦 ASN-SHAW184.69.32.0/19}
			PTR	`office.justinwiebe.ca`
MX	`nationalfirestop-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c942::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c942::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	2a01:111:f403:c944::1^{🇨🇦 Microsoft2a01:111:f000::/36}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
		A	52.101.190.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt5pr01cu00100.inbound.protection.outlook.com`
		A	52.101.190.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yt3pr01cu00701.inbound.protection.outlook.com`
		A	52.101.192.0^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu00900.inbound.protection.outlook.com`
		A	52.101.192.1^{🇨🇦 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-yqzpr01cu01001.inbound.protection.outlook.com`
TXT	`v=DMARC1; p=none;`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms21999728`
TXT	`4bf66c2c2f3600cf61346feb79fa7a3f`
SOA	`ns1.justinwiebe.ca`justin@justinwiebe.ca 2024-10-08 #4

`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=1775011707

Subdomains

email.nationalfirestop.com

mail.nationalfirestop.com

Same first word

nationalfirestop.com

DNS History

16 records (4 active, 12 former)

●NSns1.justinwiebe.ca2015-11-08 → 2026-04-01 · 3 obs

○ 2015-06-17 05:50:20
● 2015-11-08 21:58:42
● 2026-04-01 02:51:10

○NSns1.linode.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

●NSns2.justinwiebe.ca2015-11-08 → 2026-04-01 · 3 obs

○ 2015-06-17 05:50:20
● 2015-11-08 21:58:42
● 2026-04-01 02:51:10

○NSns2.linode.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○NSns3.linode.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○NSns4.linode.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○NSns5.linode.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○MXd103894a.ess.barracudanetworks.com2016-12-31 → 2017-12-04 · 5 obs

○ 2016-04-26 18:28:14
● 2016-12-31 22:05:54
● 2017-12-04 06:23:16
○ 2026-03-10 04:58:58
○ 2026-04-01 02:51:10

○MXd103894b.ess.barracudanetworks.com2016-12-31 → 2017-12-04 · 5 obs

○ 2016-04-26 18:28:14
● 2016-12-31 22:05:54
● 2017-12-04 06:23:16
○ 2026-03-10 04:58:58
○ 2026-04-01 02:51:10

○MXemail.nationalfirestop.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○MXmail.nationalfirestop.com2015-11-08 → 2016-04-26 · 5 obs

○ 2015-06-17 05:50:20
● 2015-11-08 21:58:42
● 2016-04-26 18:28:14
○ 2016-12-31 22:05:54
○ 2026-04-01 02:51:10

●MXnationalfirestop-com.mail.protection.outlook.com2026-03-10 → 2026-04-01 · 3 obs

○ 2017-12-04 06:23:16
● 2026-03-10 04:58:58
● 2026-04-01 02:51:10

○A162.209.76.1102015-11-08 → 2016-01-28 · 5 obs

○ 2015-06-17 05:50:20
● 2015-11-08 21:58:42
● 2016-01-28 23:17:16
○ 2016-04-26 18:28:14
○ 2026-04-01 02:51:10

○A174.129.217.1142015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 05:50:20
○ 2015-11-08 21:58:42
○ 2026-04-01 02:51:10

○A45.79.150.2182016-04-26 → 2017-12-04 · 5 obs

○ 2016-01-28 23:17:16
● 2016-04-26 18:28:14
● 2017-12-04 06:23:16
○ 2026-03-10 04:58:58
○ 2026-04-01 02:51:10

●A45.79.27.412026-03-10 → 2026-04-01 · 3 obs

○ 2017-12-04 06:23:16
● 2026-03-10 04:58:58
● 2026-04-01 02:51:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
nationalfirestop.com	ns1.justinwiebe.ca, ns2.justinwiebe.ca	-

✅ Authoritative Response

Server:184.69.38.174

NS records: ns1.justinwiebe.ca, ns2.justinwiebe.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nationalfirestop.com (unsigned zone)

⏱️ Timing

Total: 626ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.79.27.41`
NS	2	`ns2.justinwiebe.ca, ns1.justinwiebe.ca`
MX	1	`nationalfirestop-com.mail.protection.out`
TXT	4	`v=DMARC1; p=none;, 4bf66c2c2f3600cf61346feb79fa7a3f...`
SOA	1	`ns1.justinwiebe.ca justin.justinwiebe.ca`

Analysis

Hierarchy

nationalfirestop.com is the parent of email.nationalfirestop.com and mail.nationalfirestop.com.

IP Addresses

nationalfirestop.com resolves to a single IP: 45.79.27.41.

Other host names share IP numbers with nationalfirestop.com; for instance li1126-41.members.linode.com.

Name Servers

nationalfirestop.com has two name servers: ns1.justinwiebe.ca and ns2.justinwiebe.ca.

nationalfirestop.com shares the same name server setup as other domains, for example yourstylefinancial.ca, lowwsf.com, canmarkindustries.com, groupwd.com and bookkeeps.ca.

Host names with a single IP:

ns1.justinwiebe.ca points to 184.68.74.182

ns2.justinwiebe.ca points to 184.69.38.174

Mail Servers

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

Host nationalfirestop-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::, 2a01:111:f403:c942::1, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.0, 52.101.190.1, 52.101.192.0 and 52.101.192.1.

nationalfirestop.com - robtex.com