ier.com - dns.ninja

`ier.com`

DNSSEC	⚠️ Not signed
A	51.91.190.238^{🇫🇷 OVH51.91.0.0/16}
		PTR	`ip238.ip-51-91-190.eu`
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`
NS	`nsz.perf1.com`
		A	2600:1801:6::1^{🇺🇸 Tiggee2600:1801:6::/48 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
		A	208.80.124.13^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
NS	`nsz.perf1.fr`
		A	2600:1802:7::1^{🇺🇸 Tiggee2600:1802:7::/48 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
		A	208.80.126.13^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
MX	`ier-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca1e::^{🇫🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-mrzp264cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca25::^{🇫🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-pa5p264cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:ca25::1^{🇫🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-pr0p264cu01301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca25::2^{🇫🇷 Microsoft2a01:111:f000::/36}
			PTR	`mail-paup264cu00202.inbound.protection.outlook.com`
		A	52.101.164.0^{🇫🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mrzp264cu00100.inbound.protection.outlook.com`
		A	52.101.166.0^{🇫🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pa5p264cu00200.inbound.protection.outlook.com`
		A	52.101.166.1^{🇫🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pr0p264cu01301.inbound.protection.outlook.com`
		A	52.101.166.2^{🇫🇷 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-paup264cu00202.inbound.protection.outlook.com`
TXT	`2/c+NW0uYnQ8mO0mt4GcEOhRPTifVFONs3UaNdNCZRxniGEu4twEYa2Kz3TYWvGujxUnsNtFr3Vmj...`
TXT	`v=spf1 ip4:51.103.104.155 ip4:51.138.202.80 ip4:91.151.77.157 ip4:91.151.77....`
TXT	`MS=ms17492908`
TXT	`google-site-verification=yomrvvlVYStc68uo70QEnPyxvxRkIdPlGq4hOJ7Pqbg`
SOA	`nsa.perf1.fr`technical@nameshield.net 2026-01-14 #11

`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=1785970014

WOT: SAFE (50/100)

Subdomains

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Same first word

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DNS History

14 records (7 active, 7 former)

○NSns2.observatoiredesmarques.fr2015-08-20 → 2017-06-12 · 4 obs

● 2015-08-20 16:12:48
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

○NSns3.nameshield.net2015-08-20 → 2017-06-12 · 4 obs

● 2015-08-20 16:12:48
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

●NSnsa.perf1.fr2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

●NSnsb.perf1.com2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

●NSnsc.perf1.com2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

●NSnsz.perf1.com2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

●NSnsz.perf1.fr2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

○NSobs.ns1.fr2015-08-20 → 2017-06-12 · 4 obs

● 2015-08-20 16:12:48
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

○MXcluster5.eu.messagelabs.com2015-08-20 → 2017-06-12 · 4 obs

● 2015-08-20 16:12:48
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

○MXcluster5a.eu.messagelabs.com2015-08-20 → 2017-06-12 · 4 obs

● 2015-08-20 16:12:48
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

●MXier-com.mail.protection.outlook.com2026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

○A46.17.64.42017-06-12 → 2017-06-12 · 4 obs

○ 2017-01-19 15:14:32
● 2017-06-12 22:49:48
○ 2026-02-18 06:56:50
○ 2026-08-05 22:48:48

○A5.196.174.62015-08-20 → 2017-01-19 · 4 obs

● 2015-08-20 16:12:48
● 2017-01-19 15:14:32
○ 2017-06-12 22:49:48
○ 2026-08-05 22:48:48

●A51.91.190.2382026-02-18 → 2026-08-05 · 3 obs

○ 2017-06-12 22:49:48
● 2026-02-18 06:56:50
● 2026-08-05 22:48:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
ier.com	nsb.perf1.com, nsc.perf1.com, nsz.perf1.com, nsa.perf1.fr...	6 records

✅ Authoritative Response

Server:81.92.94.100

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ier.com (unsigned zone)

⏱️ Timing

Total: 2147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.91.190.238`
NS	5	`nsc.perf1.com, nsz.perf1.com...`
MX	1	`ier-com.mail.protection.outlook.com (pri`
TXT	4	`v=spf1 ip4:51.103.104.155 ip4:51.138.202, MS=ms17492908...`
SOA	1	`nsa.perf1.fr technical.nameshield.net`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (nsb.perf1.com, nsb.perf1.com, nsc.perf1.com...)

Analysis

Hierarchy

ier.com sits above w.ier.com, www.ier.com and wwwnocdn.ier.com in the domain hierarchy.

IP Addresses

ier.com resolves to just one IP address, 51.91.190.238.

Other host names, such as www.ier.com, share IP numbers with ier.com.

Name Servers

ier.com delegates to five name servers: nsb.perf1.com, nsc.perf1.com, nsz.perf1.com and two others.

There is at least partial name server overlap between ier.com and other domains — etilab.com, fondation-elior.com, motul.mx and two more among them.

These name servers regularly appear alongside nsa.perf1.fr, nsz.perf1.fr, ns0.infravesi.com and 7 other name servers in NS record sets.

Host names that have two IP addresses:

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

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

nsz.perf1.com points to 208.80.124.13 and 2600:1801:6::1.

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

nsz.perf1.fr points to 208.80.126.13 and 2600:1802:7::1.

Mail Servers

The sole mail server for ier.com is ier-com.mail.protection.outlook.com.

With 8 IP addresses total, ier-com.mail.protection.outlook.com resolves to 52.101.164.0, 52.101.166.0, 52.101.166.1 and 5 others.