`vivelascience.fr`

DNSSEC	⚠️ Not signed
A	185.49.20.101^{🇫🇷 INEONET-AS185.49.20.0/24}
		PTR	`http01.yulpa.io`
NS	`ns1.yulpa.io` ⭐ ⚠️ Not in parent delegation
		A	185.49.20.10^{🇫🇷 INEONET-AS185.49.20.0/24}
			PTR	`ns1.yulpa.io`
NS	`ns1.w4a.fr` ⚠️ Not in zone NS records
		A	185.49.20.10^{🇫🇷 INEONET-AS185.49.20.0/24}
			PTR	`ns1.yulpa.io`
NS	`ns2.yulpa.io` ⚠️ Not in parent delegation
		A	91.220.248.154^{🇫🇷 INEONET-AS91.220.248.0/24 INEONET Hosting}
			PTR	`ns2.yulpa.io`
NS	`ns3.yulpa.io` ⚠️ Not in parent delegation
		A	92.243.4.24^{🇫🇷 GANDI-AS-292.243.0.0/19 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns3.yulpa.io`
NS	`sdns1.w4a.fr` ⚠️ Not in zone NS records
		A	91.220.248.154^{🇫🇷 INEONET-AS91.220.248.0/24 INEONET Hosting}
			PTR	`ns2.yulpa.io`
MX	`mx10.yulpa.io` ⭐
		A	31.169.40.137^{🇫🇷 INEONET-AS31.169.40.0/21 INEONET BLOC1}
			PTR	`mut-mta1-se01c-fr.yulpa.io`
		A	185.49.21.250^{🇫🇷 INEONET-AS185.49.21.0/24}
			PTR	`mut-mta1-se01a-fr.yulpa.io`
		A	185.49.22.250^{🇫🇷 INEONET-AS185.49.22.0/24}
			PTR	`mut-mta1-se01b-fr.yulpa.io`
MX	`mx20.yulpa.io`⁽²⁰⁾
		A	31.169.40.137^{🇫🇷 INEONET-AS31.169.40.0/21 INEONET BLOC1}
			PTR	`mut-mta1-se01c-fr.yulpa.io`
		A	185.49.21.250^{🇫🇷 INEONET-AS185.49.21.0/24}
			PTR	`mut-mta1-se01a-fr.yulpa.io`
		A	185.49.22.250^{🇫🇷 INEONET-AS185.49.22.0/24}
			PTR	`mut-mta1-se01b-fr.yulpa.io`
MX	`mx30.yulpa.io`⁽³⁰⁾
		A	31.169.40.137^{🇫🇷 INEONET-AS31.169.40.0/21 INEONET BLOC1}
			PTR	`mut-mta1-se01c-fr.yulpa.io`
		A	185.49.21.250^{🇫🇷 INEONET-AS185.49.21.0/24}
			PTR	`mut-mta1-se01a-fr.yulpa.io`
		A	185.49.22.250^{🇫🇷 INEONET-AS185.49.22.0/24}
			PTR	`mut-mta1-se01b-fr.yulpa.io`
TXT	`v=spf1 include:spf.yulpa.io -all`
SOA	`ns1.yulpa.io`zonecheck@yulpa.io 2018-09-14 #0

`fr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.fr` ⭐
	NS	`d.nic.fr`
	NS	`f.ext.nic.fr`
	NS	`g.ext.nic.fr`
	TXT	`245 RRs processed [25/03/2026 08H50:48]`
	SOA	`a.nic.fr`dnsmaster@afnic.fr serial=2244618603

WOT: SAFE (64/100)

Same first word

vivelascience.fr

DNS History

17 records (9 active, 8 former)

●NSns1.w4a.fr2026-03-25 → 2026-03-25 · 2 obs

○ 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○NSns1.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●NSns1.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○NSns2.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●NSns2.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○NSns3.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●NSns3.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

●NSsdns1.w4a.fr2026-03-25 → 2026-03-25 · 2 obs

○ 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○MXmx1.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●MXmx10.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○MXmx2.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●MXmx20.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○MXmx3.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●MXmx30.yulpa.io2018-07-06 → 2026-03-25 · 3 obs

○ 2017-01-22 17:07:22
● 2018-07-06 20:12:08
● 2026-03-25 09:22:40

○MXmx4.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

○MXmx5.web4all.fr2015-07-03 → 2017-01-22 · 4 obs

● 2015-07-03 17:33:14
● 2017-01-22 17:07:22
○ 2018-07-06 20:12:08
○ 2026-03-25 09:22:40

●A185.49.20.1012015-07-03 → 2026-03-25 · 2 obs

● 2015-07-03 17:33:14
● 2026-03-25 09:22:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
fr	d.nic.fr, f.ext.nic.fr, g.ext.nic.fr	-
vivelascience.fr	ns1.w4a.fr, sdns1.w4a.fr	-

✅ Authoritative Response

Server:185.49.20.10

NS records: ns1.w4a.fr, sdns1.w4a.fr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vivelascience.fr (unsigned zone)

⏱️ Timing

Total: 982ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.49.20.101`
NS	3	`ns3.yulpa.io, ns2.yulpa.io...`
MX	3	`mx10.yulpa.io (pri: 10), mx30.yulpa.io (pri: 30)...`
TXT	1	`v=spf1 include:spf.yulpa.io -all`
SOA	1	`ns1.yulpa.io zonecheck.yulpa.io`

Analysis

IP Addresses

vivelascience.fr resolves to a single IP address: 185.49.20.101.

Other host names including public-app1.web4all.fr, duno.io, acpa-loches-tours.fr, randobikegear.com and issi.me share IP numbers with vivelascience.fr.

Name Servers

vivelascience.fr is delegated to five name servers: ns1.w4a.fr, sdns1.w4a.fr, ns1.yulpa.io, ns2.yulpa.io and ns3.yulpa.io.

vivelascience.fr at least partially shares name servers with other domains, including attc.fr, 152.217.185.in-addr.arpa, arnaudanne.fr, bassin-lemanique.com and leal-architecte.com.

these name servers are commonly used with sdns2.w4a.fr, ns1.web4all.fr, ns2.web4all.fr and ns3.web4all.fr.

Host names with one IP number:

ns1.w4a.fr points to 185.49.20.10.

sdns1.w4a.fr points to 91.220.248.154.

ns1.yulpa.io points to 185.49.20.10.

ns2.yulpa.io points to 91.220.248.154.

ns3.yulpa.io points to 92.243.4.24.

Names pointing to 185.49.20.10: ns1.w4a.fr and ns1.yulpa.io.

Names pointing to 91.220.248.154: sdns1.w4a.fr and ns2.yulpa.io.

Mail Servers

vivelascience.fr is handled by three mail servers: mx10.yulpa.io, mx20.yulpa.io and mx30.yulpa.io.

The mail servers for vivelascience.fr are shared with other domains, for instance l-a-p.org, isv-consulting.fr, cadif.fr, imotep.com and lpgc.fr.