mathprepa.org - robtex.com
mathprepa.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.186.33.5🇫🇷 OVH213.186.32.0/19 ISP Paris, France | ||||||
| PTR | redirect.ovh.net | ||||||
| NS | dns103.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:fd00::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns103.ovh.net | ||||||
| A | 5.196.39.89🇫🇷 OVH5.196.0.0/16 | ||||||
| PTR | dns103.ovh.net | ||||||
| NS | ns103.ovh.net | ||||||
| A | 2001:41d0:b00:f700::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns103.ovh.net | ||||||
| A | 5.135.54.65🇧🇪 OVH5.135.0.0/16 | ||||||
| PTR | ns103.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 | dns103.ovh.nettech@ovh.net 2020-12-09 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmx3.mail.ovh.net2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 23:21:58
● 2026-03-23 05:18:36
●MXmx4.mail.ovh.net2026-03-16 → 2026-03-23 · 3 obs
● 2026-03-16 23:21:58
● 2026-03-23 05:18:36
○MXredirect.ovh.net2015-08-18 → 2017-04-20 · 4 obs
● 2017-04-20 16:55:04
○ 2026-03-16 23:21:58
○ 2026-03-23 05:18:36
●A213.186.33.52015-08-18 → 2026-03-23 · 2 obs
● 2026-03-23 05:18:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| mathprepa.org | ns103.ovh.net, dns103.ovh.net | - |
✅ Authoritative Response
Server:5.135.54.65
NS records: ns103.ovh.net, dns103.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathprepa.org (unsigned zone)
⏱️ Timing
Total: 526ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.186.33.5 |
| NS | 2 | ns103.ovh.net, dns103.ovh.net |
| MX | 2 | mx4.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 10) |
| SOA | 1 | dns103.ovh.net tech.ovh.net |
Analysis
IP Addresses
mathprepa.org points to a single IP address: 213.186.33.5.
Other host names such as smartorelli.com, manuel-du-pilote-d-avion.fr, 914.equipment, ip-164-132-52.eu and itgroup.at share IP numbers with mathprepa.org.
Name Servers
mathprepa.org is delegated to two name servers: dns103.ovh.net and ns103.ovh.net.
mathprepa.org uses the same name server setup as other domains, including 70.239.145.in-addr.arpa, ip-54-37-62.eu, machaero.org, siwekfotografia.pl and tarian.fr.
Host names with two IP numbers:
dns103.ovh.net points to 2001:41d0:d00:fd00::2 and 5.196.39.89.
ns103.ovh.net points to 2001:41d0:b00:f700::2 and 5.135.54.65.
Mail Servers
mathprepa.org is handled by two mail servers: mx3.mail.ovh.net and mx4.mail.ovh.net.
mathprepa.org uses the same mail server setup as other domains, for instance webast.net, quilibri.it, foscarini.nl, naturerespect.com and ce-bd.com.
mathprepa.org shares at least some mail servers with other domains, for example navicopy.es, carbonid.eu, upgradeinformatica.it, manoirdessaules.com and gewobag-mieten.de.
These mail servers are commonly used alongside mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net.
Hostnames with a single IP
mx3.mail.ovh.net resolves to: 91.121.53.175.
mx4.mail.ovh.net resolves to: 178.32.124.207.