`sef-formation.info`

DNSSEC	🔒 Signed (DS record present)
A	91.121.41.7^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
		PTR	`ip7.ip-91-121-41.eu`
NS	`dns101.ovh.net` ⭐
		A	2001:41d0:d00:fb00::2^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`dns101.ovh.net`
		A	5.196.38.125^{🇫🇷 OVH5.196.0.0/16}
			PTR	`dns101.ovh.net`
NS	`ns101.ovh.net`
		A	2001:41d0:b00:f500::2^{🇫🇷 OVH2001:41d0::/32 IPv6}
			PTR	`ns101.ovh.net`
		A	5.135.53.37^{🇧🇪 OVH5.135.0.0/16}
			PTR	`ns101.ovh.net`
MX	`mx1.mail.ovh.net` ⭐
		A	188.165.36.237^{🇫🇷 OVH188.165.0.0/16 ISP Paris, France}
			PTR	`mx1.mail.ovh.net`
MX	`mx2.mail.ovh.net`⁽⁵⁾
		A	87.98.160.167^{🇫🇷 OVH87.98.128.0/17 ISP Paris, France}
			PTR	`mx2.mail.ovh.net`
MX	`mx3.mail.ovh.net`⁽¹⁰⁰⁾
		A	91.121.53.175^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
			PTR	`mx3.mail.ovh.net`
TXT	`v=spf1 include:mx.ovh.com ~all`
SOA	`dns101.ovh.net`tech@ovh.net serial=2078463131

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1778677618

Same first word

sef-formation.info

sef-formation.com

Similar names

esf-formation.fr

DNS History

8 records (6 active, 2 former)

●NSdns101.ovh.net2018-05-10 → 2026-05-13 · 2 obs

● 2018-05-10 23:42:58
● 2026-05-13 13:29:20

●NSns101.ovh.net2018-05-10 → 2026-05-13 · 2 obs

● 2018-05-10 23:42:58
● 2026-05-13 13:29:20

●MXmx1.mail.ovh.net2026-03-30 → 2026-05-13 · 3 obs

○ 2018-05-10 23:42:58
● 2026-03-30 12:22:48
● 2026-05-13 13:29:20

●MXmx2.mail.ovh.net2026-03-30 → 2026-05-13 · 3 obs

○ 2018-05-10 23:42:58
● 2026-03-30 12:22:48
● 2026-05-13 13:29:20

●MXmx3.mail.ovh.net2026-03-30 → 2026-05-13 · 3 obs

○ 2018-05-10 23:42:58
● 2026-03-30 12:22:48
● 2026-05-13 13:29:20

○MXredirect.ovh.net2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 23:42:58
○ 2026-03-30 12:22:48
○ 2026-05-13 13:29:20

○A185.17.240.152018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 23:42:58
○ 2026-03-30 12:22:48
○ 2026-05-13 13:29:20

●A91.121.41.72026-03-30 → 2026-05-13 · 3 obs

○ 2018-05-10 23:42:58
● 2026-03-30 12:22:48
● 2026-05-13 13:29:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
sef-formation.info	dns101.ovh.net, ns101.ovh.net	-

✅ Authoritative Response

Server:5.196.38.125

NS records: dns101.ovh.net, ns101.ovh.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1002ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.121.41.7`
NS	2	`ns101.ovh.net, dns101.ovh.net`
MX	3	`mx1.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 100)...`
TXT	1	`v=spf1 include:mx.ovh.com ~all`
SOA	1	`dns101.ovh.net tech.ovh.net`

Analysis

IP Addresses

sef-formation.info resolves to one IP number: 91.121.41.7.

Other host names, for instance ip7.ip-91-121-41.eu, veloworld.eu and chatel-etancheite.com share IP numbers with sef-formation.info.

Name Servers

sef-formation.info's delegation uses two name servers: dns101.ovh.net and ns101.ovh.net.

sef-formation.info uses the same name server setup as other domains, such as fotoclubmanifatturatabacchi.it, camping-le-diamantnoir.com, xdec.net, hexafinance.com and r2micro.fr.

Host names with two IPs:

dns101.ovh.net points to 2001:41d0:d00:fb00::2 and 5.196.38.125

ns101.ovh.net points to 2001:41d0:b00:f500::2 and 5.135.53.37

Mail Servers

Three mail servers handle sef-formation.info: mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.

sef-formation.info shares at least some mail servers with other domains, for example ussj-gymvolontaire.com, piscines-de-france.com, mo2.be, sagrini.it and odilnet.com.

These mail servers are often used with mx4.mail.ovh.net and mx0.mail.ovh.net.

Host names with a single IP:

mx1.mail.ovh.net points to 188.165.36.237; mx2.mail.ovh.net points to 87.98.160.167; mx3.mail.ovh.net points to 91.121.53.175.

sef-formation.info - robtex.com