sendcastle.com - robtex.com
sendcastle.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.linode.com ⚠️ Not in zone NS records | ||||||
| A | 2600:14c0:6::2🇺🇸 Akamai2600:14c0:6::/48 Technologies | ||||||
| PTR | c1-2.akashield.net | ||||||
| A | 92.123.94.2🇳🇱 Akamai92.123.94.0/24 Technologies | ||||||
| PTR | c1-2.akashield.net | ||||||
| NS | ns2.linode.com ⚠️ Not in zone NS records | ||||||
| A | 2600:14c0:6::3🇺🇸 Akamai2600:14c0:6::/48 Technologies | ||||||
| PTR | c1-3.akashield.net | ||||||
| A | 92.123.94.3🇳🇱 Akamai92.123.94.0/24 Technologies | ||||||
| PTR | c1-3.akashield.net | ||||||
| NS | ns3.linode.com ⚠️ Not in zone NS records | ||||||
| A | 2600:14c0:7::3🇺🇸 Akamai2600:14c0:7::/48 Technologies | ||||||
| PTR | c2-3.akashield.net | ||||||
| A | 92.123.95.3🇳🇱 Akamai92.123.95.0/24 Technologies | ||||||
| PTR | c2-3.akashield.net | ||||||
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=1774558757 | ||||||
Same first word
sendcastle.com |
Similar names
DNS History
11 records (3 active, 8 former)
●NSns1.linode.com2015-06-19 → 2026-03-26 · 2 obs
● 2026-03-26 21:12:12
●NSns2.linode.com2015-06-19 → 2026-03-26 · 2 obs
● 2026-03-26 21:12:12
●NSns3.linode.com2015-06-19 → 2026-03-26 · 2 obs
● 2026-03-26 21:12:12
○NSns4.linode.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○NSns5.linode.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○MXalt1.aspmx.l.google.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○MXalt2.aspmx.l.google.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○MXaspmx.l.google.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○MXaspmx2.googlemail.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○MXaspmx3.googlemail.com2015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
○A148.251.0.22015-06-19 → 2016-12-30 · 4 obs
● 2016-12-30 11:12:00
○ 2026-03-09 00:13:22
○ 2026-03-26 21:12:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sendcastle.com | ns1.linode.com, ns2.linode.com, ns3.linode.com | 6 records |
✅ Authoritative Response
Server:92.123.94.2
NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sendcastle.com (unsigned zone)
⏱️ Timing
Total: 171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)
Analysis
Name Servers
sendcastle.com is delegated to three name servers: ns1.linode.com, ns2.linode.com and ns3.linode.com.
sendcastle.com at least partially shares name servers with other domains, for instance fortunawelcome.com, learnsci.com, mapleleafup.net, my-anna.com and lgidhwvfxsre.live.
These name servers are often used with ns4.linode.com and ns5.linode.com.
Host names with two IP numbers:
Host ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.
Host ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.
Host ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.