cassert.com - dns.ninja
cassert.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns03.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2150::2🇺🇸 GODADDY-DNS2603:5:2150::/44 | ||||||
| PTR | ns03.domaincontrol.com | ||||||
| A | 97.74.101.2🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns03.domaincontrol.com | ||||||
| NS | ns04.domaincontrol.com | ||||||
| A | 2603:5:2250::2🇺🇸 GODADDY-DNS2603:5:2250::/44 | ||||||
| PTR | ns04.domaincontrol.com | ||||||
| A | 173.201.69.2🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns04.domaincontrol.com | ||||||
| MX | smtp1.firetree.net ⭐ | ||||||
| A | 2a01:4f8:10a:3d87::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | bat.firetree.net | ||||||
| A | 88.99.212.157🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | bat.firetree.net | ||||||
| MX | smtp2.firetree.net(20) | ||||||
| A | 81.187.216.204🇬🇧 AS2071281.187.0.0/16 UKLIR | ||||||
| PTR | calvino.firetree.net | ||||||
| TXT | v=spf1 include:firetree.net ~all | ||||||
| SOA | ns03.domaincontrol.comdns@jomax.net 2024-03-06 #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=1782649125 | ||||||
Same first word
cassert.com |
Similar names
DNS History
6 records (4 active, 2 former)
○NSns.123-reg.co.uk2015-08-11 → 2020-04-14 · 4 obs
● 2020-04-14 17:38:06
○ 2026-02-17 10:18:02
○ 2026-06-28 12:19:16
●NSns03.domaincontrol.com2026-02-17 → 2026-06-28 · 3 obs
● 2026-02-17 10:18:02
● 2026-06-28 12:19:16
●NSns04.domaincontrol.com2026-02-17 → 2026-06-28 · 3 obs
● 2026-02-17 10:18:02
● 2026-06-28 12:19:16
○NSns2.123-reg.co.uk2015-08-11 → 2020-04-14 · 4 obs
● 2020-04-14 17:38:06
○ 2026-02-17 10:18:02
○ 2026-06-28 12:19:16
●MXsmtp1.firetree.net2015-08-11 → 2026-06-28 · 2 obs
● 2026-06-28 12:19:16
●MXsmtp2.firetree.net2015-08-11 → 2026-06-28 · 2 obs
● 2026-06-28 12:19:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net... | - |
| cassert.com | ns03.domaincontrol.com, ns04.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.69.2
NS records: ns03.domaincontrol.com, ns04.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cassert.com (unsigned zone)
⏱️ Timing
Total: 246ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns03.domaincontrol.com, ns04.domaincontrol.com |
| MX | 2 | smtp1.firetree.net (pri: 10), smtp2.firetree.net (pri: 20) |
| TXT | 1 | v=spf1 include:firetree.net ~all |
| SOA | 1 | ns03.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns03.domaincontrol.com, ns03.domaincontrol.com, ns04.domaincontrol.com...)
Analysis
Name Servers
cassert.com is served by two delegated name servers, ns03.domaincontrol.com and ns04.domaincontrol.com.
The name server configuration of cassert.com is shared with other domains, for instance lixiaoliang.com, semimages.com, woodensecondaryglazing.co.uk and two others.
Each of the two host names carries two IP addresses: ns03.domaincontrol.com points to 97.74.101.2 and 2603:5:2150::2, and ns04.domaincontrol.com points to 173.201.69.2 and 2603:5:2250::2.
Mail Servers
cassert.com uses two mail servers, smtp1.firetree.net and smtp2.firetree.net.
cassert.com has mail servers in common with other domains — firetree.net being one example.
The mail servers mx0.123-reg.co.uk and mx1.123-reg.co.uk are commonly paired with these mail servers.
Host names pointing to two IP addresses:
smtp1.firetree.net maps to two IP addresses — 88.99.212.157 and 2a01:4f8:10a:3d87::2.
Host names resolving to a single IP address:
smtp2.firetree.net points to the IP address 81.187.216.204.