`arcelormittalca.com`

DNSSEC	⚠️ Not signed
NS	`nsa.perf1.fr` ⭐
		A	2a01:c8:100::100^{🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1}
			PTR	`nsa.perf1.fr`
		A	81.92.94.100^{🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1}
			PTR	`nsa.perf1.fr`
NS	`nsb.perf1.com`
		A	2a01:c8:101::100^{🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1}
			PTR	`nsb.perf1.com`
		A	81.92.95.100^{🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1}
			PTR	`nsb.perf1.com`
NS	`nsc.perf1.com`
		A	2a09:35c0:102::100^{🇫🇷 NAMESHIELDGRP2a09:35c0:100::/40 NAMESHIELD ANYCAST1-2}
			PTR	`nsc.perf1.com`
		A	152.89.172.100^{🇫🇷 NAMESHIELDGRP152.89.172.0/23 NAMESHIELD ANYCAST1-2}
			PTR	`nsc.perf1.com`
TXT	`v=spf1 include:spf-002b3401.pphosted.com -all`
SOA	`nsa.perf1.fr`technical@nameshield.net 2025-08-06 #14

`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=1778671866

Previously MX for

arcelormittalca.com

Same first word

arcelormittalca.com

DNS History

12 records (3 active, 9 former)

○NSns1.arwebdns.com2015-07-05 → 2017-04-19 · 7 obs

● 2015-07-05 18:42:40
● 2015-11-04 16:27:52
○ 2016-01-19 13:38:26
● 2016-06-18 11:34:30
● 2017-04-19 09:00:58
○ 2026-05-08 20:53:18
○ 2026-05-13 11:45:48

○NSns1.softlayer.com2015-07-05 → 2016-01-19 · 5 obs

● 2015-07-05 18:42:40
○ 2015-11-04 16:27:52
● 2016-01-19 13:38:26
○ 2016-06-18 11:34:30
○ 2026-05-13 11:45:48

○NSns2.arwebdns.com2015-07-05 → 2017-04-19 · 7 obs

● 2015-07-05 18:42:40
● 2015-11-04 16:27:52
○ 2016-01-19 13:38:26
● 2016-06-18 11:34:30
● 2017-04-19 09:00:58
○ 2026-05-08 20:53:18
○ 2026-05-13 11:45:48

○NSns2.softlayer.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-11-04 16:27:52
● 2016-01-19 13:38:26
○ 2016-06-18 11:34:30
○ 2026-05-13 11:45:48

○NSns3.arwebdns.com2015-07-05 → 2017-04-19 · 7 obs

● 2015-07-05 18:42:40
● 2015-11-04 16:27:52
○ 2016-01-19 13:38:26
● 2016-06-18 11:34:30
● 2017-04-19 09:00:58
○ 2026-05-08 20:53:18
○ 2026-05-13 11:45:48

●NSnsa.perf1.fr2026-05-08 → 2026-05-13 · 3 obs

○ 2017-04-19 09:00:58
● 2026-05-08 20:53:18
● 2026-05-13 11:45:48

●NSnsb.perf1.com2026-05-08 → 2026-05-13 · 3 obs

○ 2017-04-19 09:00:58
● 2026-05-08 20:53:18
● 2026-05-13 11:45:48

●NSnsc.perf1.com2026-05-08 → 2026-05-13 · 3 obs

○ 2017-04-19 09:00:58
● 2026-05-08 20:53:18
● 2026-05-13 11:45:48

○MXarcelormittalca.com2015-07-05 → 2016-01-19 · 4 obs

● 2015-07-05 18:42:40
● 2016-01-19 13:38:26
○ 2016-06-18 11:34:30
○ 2026-05-13 11:45:48

○MXmail.arcelormittalca.com2016-06-18 → 2017-04-19 · 5 obs

○ 2016-01-19 13:38:26
● 2016-06-18 11:34:30
● 2017-04-19 09:00:58
○ 2026-05-08 20:53:18
○ 2026-05-13 11:45:48

○A184.172.225.822015-07-05 → 2016-06-18 · 4 obs

● 2015-07-05 18:42:40
● 2016-06-18 11:34:30
○ 2017-04-19 09:00:58
○ 2026-05-13 11:45:48

○A209.222.96.22017-04-19 → 2017-04-19 · 4 obs

○ 2016-06-18 11:34:30
● 2017-04-19 09:00:58
○ 2026-05-08 20:53:18
○ 2026-05-13 11:45:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net...	-
arcelormittalca.com	nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr	4 records

✅ Authoritative Response

Server:81.92.95.100

NS records: nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arcelormittalca.com (unsigned zone)

⏱️ Timing

Total: 311ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`nsa.perf1.fr, nsc.perf1.com...`
TXT	1	`v=spf1 include:spf-002b3401.pphosted.com`
SOA	1	`nsa.perf1.fr technical.nameshield.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (nsb.perf1.com, nsb.perf1.com, nsc.perf1.com...)

Analysis

Name Servers

The domain arcelormittalca.com is delegated to three name servers: nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr.

arcelormittalca.com shares name servers with other domains at least partially, for instance algeco.fr, kerenis.tools, tf1.cc, groupamaloirebretagne.com and chateau-grand-puy-lacoste.fr.

these name servers are commonly paired with ns0.infravesi.com, ns1.infravesi.com, nsz.perf1.com, nsz.perf1.fr, a.ns.developpement-durable.gouv.fr, b.ns.developpement-durable.gouv.fr, primary.localdomain, ns1.bouyguesbox.fr and ns2.bouyguesbox.fr.

Host names with two IP numbers:

nsb.perf1.com points to 2a01:c8:101::100 and 81.92.95.100

nsc.perf1.com points to 2a09:35c0:102::100 and 152.89.172.100

nsa.perf1.fr points to 2a01:c8:100::100 and 81.92.94.100

arcelormittalca.com - robtex.com