cssmbdev.com - dns.ninja
cssmbdev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 15.235.3.246🇨🇦 OVH15.235.0.0/17 Hosting route | ||||||
| NS | ns1.cssmb.org ⭐ | ||||||
| A | 15.235.3.240🇨🇦 OVH15.235.0.0/17 Hosting route | ||||||
| NS | ns2.cssmb.org | ||||||
| A | 15.235.3.241🇨🇦 OVH15.235.0.0/17 Hosting route | ||||||
| MX | mail.cssmbdev.com ⭐ | ||||||
| A | 2607:5300:21a:dc00::100🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| A | 15.235.3.240🇨🇦 OVH15.235.0.0/17 Hosting route | ||||||
| TXT | v=spf1 a mx include:_spf.layer7.hosting include:spf.protection.outlook.com ~all | ||||||
| SOA | ns1.cssmb.orgadmin@cssmbdev.com 2026-10-26 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1794328176 | ||||||
Subdomains
mail.cssmbdev.com |
Same first word
cssmbdev.com |
Previous names
Next names
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DNS History
6 records (4 active, 2 former)
●MXmail.cssmbdev.com2026-08-22 → 2026-11-10 · 2 obs
● 2026-11-10 16:43:52
○A15.235.3.2442026-08-22 → 2026-08-22 · 3 obs
○ 2026-10-30 16:34:48
○ 2026-11-10 16:43:52
●A15.235.3.2462026-10-30 → 2026-11-10 · 3 obs
● 2026-10-30 16:34:48
● 2026-11-10 16:43:52
○A2607:5300:21a:dc00::1042026-08-22 → 2026-08-22 · 3 obs
○ 2026-10-30 16:34:48
○ 2026-11-10 16:43:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net... | - |
| cssmbdev.com | ns1.cssmb.org, ns2.cssmb.org | - |
✅ Authoritative Response
Server:15.235.3.240
NS records: ns1.cssmb.org, ns2.cssmb.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cssmbdev.com (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 15.235.3.246 |
| NS | 2 | ns2.cssmb.org, ns1.cssmb.org |
| MX | 1 | mail.cssmbdev.com (pri: 0) |
| TXT | 1 | v=spf1 a mx include:_spf.layer7.hosting |
| SOA | 1 | ns1.cssmb.org admin.cssmbdev.com |
Analysis
Hierarchy
mail.cssmbdev.com is delegated beneath cssmbdev.com.
IP Addresses
cssmbdev.com resolves to one IP address: 15.235.3.246.
coiffurefp.com, ecolelasalle.com, ecolesaintlaurent.ca and two other host names share IP numbers with cssmbdev.com.
Name Servers
cssmbdev.com has two authoritative name servers — ns1.cssmb.org and ns2.cssmb.org.
cssmbdev.com uses the same name servers as several other domains — among them eleve1jour.ca, ecolesecondairemontroyal.ca, cfpdevinci.ca and two more.
There is at least partial name server overlap between cssmbdev.com and other domains — csmb.quebec, learningatrade.ca, eleveunjour.ca and two more among them.
ns1.cssmb.org → 15.235.3.240 and ns2.cssmb.org → 15.235.3.241: one IP number per host name.
Mail Servers
Mail for cssmbdev.com is handled by a single mail server, mail.cssmbdev.com.
mail.cssmbdev.com carries two IP numbers: 15.235.3.240 and 2607:5300:21a:dc00::100.