know-how.fr - robtex.com
know-how.fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 213.186.33.5🇫🇷 OVH213.186.32.0/19 ISP Paris, France | ||||||
| PTR | redirect.ovh.net | ||||||
| NS | dns17.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f600::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns17.ovh.net | ||||||
| A | 5.135.112.105🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns17.ovh.net | ||||||
| NS | ns17.ovh.net | ||||||
| A | 2001:41d0:b00:f000::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns17.ovh.net | ||||||
| A | 5.39.116.57🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | ns17.ovh.net | ||||||
| MX | mx4.mail.ovh.net ⭐ | ||||||
| A | 178.32.124.207🇫🇷 OVH178.32.0.0/15 ISP Paris, France | ||||||
| PTR | mx4.mail.ovh.net | ||||||
| MX | mx3.mail.ovh.net(10) | ||||||
| A | 91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | mx3.mail.ovh.net | ||||||
| SOA | dns17.ovh.nettech@ovh.net serial=2076107026 | ||||||
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 | 195 RRs processed [27/04/2026 19H00:49] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2244939600 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmx3.mail.ovh.net2026-04-24 → 2026-04-27 · 3 obs
● 2026-04-24 16:26:02
● 2026-04-27 19:34:20
●MXmx4.mail.ovh.net2026-04-24 → 2026-04-27 · 3 obs
● 2026-04-24 16:26:02
● 2026-04-27 19:34:20
○MXredirect.ovh.net2015-05-21 → 2017-08-08 · 4 obs
● 2017-08-08 10:48:16
○ 2026-04-24 16:26:02
○ 2026-04-27 19:34:20
●A213.186.33.52015-05-21 → 2026-04-27 · 2 obs
● 2026-04-27 19:34:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| know-how.fr | ns17.ovh.net, dns17.ovh.net | - |
✅ Authoritative Response
Server:5.135.112.105
NS records: ns17.ovh.net, dns17.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.186.33.5 |
| NS | 2 | dns17.ovh.net, ns17.ovh.net |
| MX | 2 | mx3.mail.ovh.net (pri: 10), mx4.mail.ovh.net (pri: 1) |
| SOA | 1 | dns17.ovh.net tech.ovh.net |
Analysis
IP Addresses
know-how.fr points to IP number 213.186.33.5.
For instance, other host names ecolefrancaisedeplaneur.com, telares.org, atsp.eu, freewatch.com and sucden.eu share IP numbers with know-how.fr.
Name Servers
know-how.fr is delegated to two name servers: dns17.ovh.net and ns17.ovh.net.
know-how.fr uses the same name server setup as other domains such as climatys.com, fondoeil.info, camping-des-iles.nl, njin.fr and abbaye-de-grestain.fr.
know-how.fr shares name servers with other domains at least partially, for instance alpes-zinguerie.com, acdf-industrie.fr and emilioganan.es.
Host names with two IP numbers:
dns17.ovh.net points to 2001:41d0:d00:f600::2 and 5.135.112.105; ns17.ovh.net points to 2001:41d0:b00:f000::2 and 5.39.116.57.
Mail Servers
Two mail servers mx3.mail.ovh.net and mx4.mail.ovh.net handle know-how.fr.
know-how.fr shares the same mail server setup as other domains, for instance avocalo.com, bouture.net, br7.eu, shark-editions.fr and alldocsoodrive.com.
know-how.fr shares mail servers with other domains at least partially; for instance reso-13.net, bernard-bohn.fr, alphand.fr, barre.email and pamiers-citoyenne.fr.
These mail servers are commonly used with the servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net.
Host names with one IP number:
mx3.mail.ovh.net points to: 91.121.53.175.
mx4.mail.ovh.net points to: 178.32.124.207.