polycours.com - dns.ninja

`polycours.com`

DNSSEC	⚠️ Not signed
A	2001:1600:4:11::113^{🇨🇭 Infomaniak-AS2001:1600::/32 Infomaniak Network SA}
		PTR	`h2web341.infomaniak.ch`
A	83.166.133.47^{🇨🇭 Infomaniak-AS83.166.133.0/24 Infomaniak Network Management}
NS	`ns41.infomaniak.com` ⭐
		A	2001:1600:0:aaaa::3^{🇨🇭 Infomaniak-AS2001:1600::/32 Infomaniak Network SA}
			PTR	`ns41.infomaniak.com`
		A	83.166.143.74^{🇨🇭 Infomaniak-AS83.166.128.0/19 Infomaniak Network SA}
			PTR	`ns41.infomaniak.com`
NS	`ns42.infomaniak.com`
		A	2001:1600:0:aaaa::4^{🇨🇭 Infomaniak-AS2001:1600::/32 Infomaniak Network SA}
			PTR	`ns42.infomaniak.com`
		A	83.166.143.75^{🇨🇭 Infomaniak-AS83.166.128.0/19 Infomaniak Network SA}
			PTR	`ns42.infomaniak.com`
MX	`polycours-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
SOA	`ns41.infomaniak.com`hostmaster@infomaniak.ch 2023-09-13 #5

`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=1784882757

Previously MX for

polycours.com

Same first word

polycours.com

DNS History

9 records (5 active, 4 former)

○NSdns.site5.com2015-06-09 → 2016-09-18 · 4 obs

● 2015-06-09 20:56:46
● 2016-09-18 02:08:36
○ 2026-02-18 00:16:28
○ 2026-07-24 09:09:08

○NSdns2.site5.com2015-06-09 → 2016-09-18 · 4 obs

● 2015-06-09 20:56:46
● 2016-09-18 02:08:36
○ 2026-02-18 00:16:28
○ 2026-07-24 09:09:08

●NSns41.infomaniak.com2026-02-18 → 2026-07-24 · 3 obs

○ 2016-09-18 02:08:36
● 2026-02-18 00:16:28
● 2026-07-24 09:09:08

●NSns42.infomaniak.com2026-02-18 → 2026-07-24 · 3 obs

○ 2016-09-18 02:08:36
● 2026-02-18 00:16:28
● 2026-07-24 09:09:08

●MXpolycours-com.mail.protection.outlook.com2015-06-09 → 2026-07-24 · 2 obs

● 2015-06-09 20:56:46
● 2026-07-24 09:09:08

○MXpolycours.com2015-06-09 → 2016-09-18 · 4 obs

● 2015-06-09 20:56:46
● 2016-09-18 02:08:36
○ 2026-02-18 00:16:28
○ 2026-07-24 09:09:08

○A108.174.149.92015-06-09 → 2016-09-18 · 4 obs

● 2015-06-09 20:56:46
● 2016-09-18 02:08:36
○ 2026-02-18 00:16:28
○ 2026-07-24 09:09:08

●A2001:1600:4:11::1132026-02-18 → 2026-07-24 · 3 obs

○ 2016-09-18 02:08:36
● 2026-02-18 00:16:28
● 2026-07-24 09:09:08

●A83.166.133.472026-02-18 → 2026-07-24 · 3 obs

○ 2016-09-18 02:08:36
● 2026-02-18 00:16:28
● 2026-07-24 09:09:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
polycours.com	ns41.infomaniak.com, ns42.infomaniak.com	4 records

✅ Authoritative Response

Server:83.166.143.75

NS records: ns41.infomaniak.com, ns42.infomaniak.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polycours.com (unsigned zone)

⏱️ Timing

Total: 349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`83.166.133.47`
AAAA	1	`2001:1600:4:11::113`
NS	2	`ns41.infomaniak.com, ns42.infomaniak.com`
MX	1	`polycours-com.mail.protection.outlook.co`
SOA	1	`ns41.infomaniak.com hostmaster.infomania`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns41.infomaniak.com, ns41.infomaniak.com, ns42.infomaniak.com...)

Analysis

IP Addresses

polycours.com points to the IP addresses 83.166.133.47 and 2001:1600:4:11::113

corsicaradio.fr, arcaventures.com, cabinetmedical.ch and two other host names share IP numbers with polycours.com.

Name Servers

polycours.com is delegated to two name servers: ns41.infomaniak.com and ns42.infomaniak.com.

polycours.com uses the same name servers as several other domains — among them websam.ch, bauakademie.pro, mcpvs.ch and two more.

ns41.infomaniak.com and ns42.infomaniak.com each resolve to two IP addresses: ns41.infomaniak.com points to 83.166.143.74 and 2001:1600:0:aaaa::3, while ns42.infomaniak.com points to 83.166.143.75 and 2001:1600:0:aaaa::4.

Mail Servers

Mail for polycours.com is handled by a single mail server, polycours-com.mail.protection.outlook.com.

polycours-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.3, 52.101.68.15, 52.101.68.18 and 5 others.