3sigmas.ch - robtex.com
3sigmas.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:41d0:301::20🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| A | 46.105.204.20🇫🇷 OVH46.105.204.0/24 | ||||||
| NS | dns19.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f800::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns19.ovh.net | ||||||
| A | 5.135.216.9🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns19.ovh.net | ||||||
| NS | ns19.ovh.net | ||||||
| A | 2001:41d0:b00:f200::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns19.ovh.net | ||||||
| A | 5.135.36.129🇧🇪 OVH5.135.0.0/16 | ||||||
| PTR | ns19.ovh.net | ||||||
| MX | mx0.mail.ovh.net ⭐ | ||||||
| A | 178.33.252.245🇫🇷 OVH178.32.0.0/15 ISP Paris, France | ||||||
| PTR | mx0.mail.ovh.net | ||||||
| MX | mx1.mail.ovh.net(5) | ||||||
| MX | mx2.mail.ovh.net(50) | ||||||
| A | 87.98.160.167🇫🇷 OVH87.98.128.0/17 ISP Paris, France | ||||||
| PTR | mx2.mail.ovh.net | ||||||
| MX | mx3.mail.ovh.net(100) | ||||||
| TXT | v=spf1 include:mx.ovh.com ~all | ||||||
| TXT | 1|www.3sigmas.ch | ||||||
| SOA | dns19.ovh.nettech@ovh.net 2025-05-21 #5 | ||||||
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-04-27 #44 | ||||||
Same first word
3sigmas.ch |
DNS History
8 records (8 active, 0 former)
●MXmx0.mail.ovh.net2026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
●MXmx1.mail.ovh.net2026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
●MXmx2.mail.ovh.net2026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
●MXmx3.mail.ovh.net2026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
●A2001:41d0:301::202026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
●A46.105.204.202026-03-22 → 2026-04-27 · 2 obs
● 2026-04-27 20:26:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| 3sigmas.ch | dns19.ovh.net, ns19.ovh.net | - |
✅ Authoritative Response
Server:5.135.216.9
NS records: dns19.ovh.net, ns19.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3sigmas.ch (unsigned zone)
⏱️ Timing
Total: 742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.105.204.20 |
| AAAA | 1 | 2001:41d0:301::20 |
| NS | 2 | ns19.ovh.net, dns19.ovh.net |
| MX | 4 | mx3.mail.ovh.net (pri: 100), mx0.mail.ovh.net (pri: 1)... |
| TXT | 2 | v=spf1 include:mx.ovh.com ~all, 1|www.3sigmas.ch |
| SOA | 1 | dns19.ovh.net tech.ovh.net |
Analysis
IP Addresses
3sigmas.ch points to two IPs: 2001:41d0:301::20 and 46.105.204.20.
Other host names, for instance blinkcommunication.be, mrcelestin.com, recettesdunecretoise.fr, elettrotec.us and boss-d-boss.com share IP numbers with 3sigmas.ch.
Name Servers
Two name servers dns19.ovh.net and ns19.ovh.net are delegated to 3sigmas.ch.
3sigmas.ch uses the same name server configuration as other domains, such as construction-parasismique.fr, hlfh.space, hierros-servando.com, kaseilabs.com and equestria.fr.
3sigmas.ch shares some name servers with other domains, for example rtn.tn.
Host names with two IPs:
dns19.ovh.net points to 2001:41d0:d00:f800::2 and 5.135.216.9.
ns19.ovh.net points to 2001:41d0:b00:f200::2 and 5.135.36.129.
Mail Servers
3sigmas.ch is handled by four mail servers: mx0.mail.ovh.net, mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.
3sigmas.ch shares mail servers with other domains at least in part, for instance agissons.fr, thefact.es, gardaboat.com, diaghome-nord.com and afck.fr.
these mail servers are commonly used alongside the mail servers mx4.mail.ovh.net.
Host names with a single IP address:
mx0.mail.ovh.net points to 178.33.252.245
mx2.mail.ovh.net points to 87.98.160.167