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dhcp-12-21.ens.fr checked at 2025-10-14T02:17:24.493Z 743ms 42/42/42 100% R:10

`dhcp-12-21.ens.fr`

MX	`nef.ens.fr`
		A	129.199.96.32^{🇫🇷 RENATER}
			PTR	`nef.ens.fr`
A	129.199.12.21^{🇫🇷 RENATER}
		PTR	`dhcp-12-21.ens.fr`

`ens.fr`

	NS	`ns1.ens.fr`
	NS	`ns2.ens.fr`
	NS	`ns.ens.fr`
	NS	`ext.lri.fr`
	NS	`ns2.nic.fr`
	MX	`mx1.relay.renater.fr`
	MX	`mx2.relay.renater.fr`
	PTR	`0.0.199.129.in-addr.arpa`
	A	129.199.166.211^{🇫🇷 RENATER}
	A	129.199.166.212^{🇫🇷 RENATER}

rank #4687 globally
rank #45 in the tld
This domain "ens.fr" is the official website of École Normale Supérieure (ENS), a higher education establishment based in Paris, France. The ENS is one of the most prestigious French institutions for higher education and research. The ".fr" indicates that it is a French website.

PTR for

21.12.199.129.in-addr.arpa

AI analysis

dhcp-12-21.ens.fr resolves to one IP number: 129.199.12.21.

A single mail server handles dhcp-12-21.ens.fr, nef.ens.fr.

dhcp-12-21.ens.fr shares the same mail server setup as other domains, for instance corto.lpt.ens.fr, dhcp-12-11.ens.fr, petunia.ens.fr, mimosa.ens.fr and bcspc68.ens.fr.

Host name nef.ens.fr resolves to a single IP: 129.199.96.32.

dbq