WWW.RTSAK.COM - jbook.univ-lyon1.fr

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jbook.univ-lyon1.fr checked at 2025-10-05T11:28:05.134Z 210ms 59/59/59 100% R:11

`jbook.univ-lyon1.fr`

MX	`cismrelais.univ-lyon1.fr`
		A	2001:660:5001:100::12 ^{🇫🇷 RENATER}
			PTR	`cismrelais.univ-lyon1.fr`
		A	134.214.100.12^{🇫🇷 FR-RENATER}
			PTR	`cismrelais.univ-lyon1.fr`
MX	`cisrelais.univ-lyon1.fr`
		A	2001:660:5001:100::10 ^{🇫🇷 RENATER}
			PTR	`cisrelais.univ-lyon1.fr`
		A	134.214.100.10^{🇫🇷 FR-RENATER}
			PTR	`cisrelais.univ-lyon1.fr`
A	134.214.5.49^{🇫🇷 FR-RENATER}
		PTR	`jbook.univ-lyon1.fr`

`univ-lyon1.fr`

	NS	`ccpntc3.in2p3.fr`
	NS	`ccpnvx.in2p3.fr`
	NS	`dns2.univ-lyon1.fr`
	NS	`dns.univ-lyon1.fr`
	MX	`mailinblack.univ-lyon1.fr`
	A	134.214.126.72^{🇫🇷 FR-RENATER}

rank #7459 globally
rank #81 in the tld
This domain name represents the official website of the University of Lyon 1, a university located in Lyon, France. The "univ-lyon1" part of the domain name indicates it specifically refers to the first university of Lyon, as there may be other universities in the city. The ".fr" indicates it is a French website.

PTR for

49.5.214.134.in-addr.arpa

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AI analysis

jbook.univ-lyon1.fr points to a single IP number: 134.214.5.49.

jbook.univ-lyon1.fr is handled by two mail servers: cismrelais.univ-lyon1.fr and cisrelais.univ-lyon1.fr.

jbook.univ-lyon1.fr uses the same mail server configuration as other domains, such as eduroinsa974.insa-lyon.fr, bu-roc102.univ-lyon1.fr, cs-laennec3.univ-lyon1.fr, liris-vm-21.insa-lyon.fr and geii-etu-020.univ-lyon1.fr.

jbook.univ-lyon1.fr shares mail servers with other domains, at least partially, for instance catalyse.cnrs.fr and dr7.cnrs.fr.

These mail servers are often used together with the mail servers catamail3.catalyse.cnrs.fr.

Host names with two IP numbers: cismrelais.univ-lyon1.fr points to 2001:660:5001:100::12 and 134.214.100.12; cisrelais.univ-lyon1.fr points to 2001:660:5001:100::10 and 134.214.100.10.

dbq