603t.com - robtex.com
603t.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.177.6.22🇺🇸 G4-COMMUNICATIONS216.177.6.0/24 CAV.NET PO BOX 10 EAST DERRY NH 03041 United States | ||||||
| PTR | webserver1.bos.cav.net | ||||||
| NS | ns1.cav.net ⭐ | ||||||
| A | 216.177.6.10🇺🇸 G4-COMMUNICATIONS216.177.6.0/24 CAV.NET PO BOX 10 EAST DERRY NH 03041 United States | ||||||
| PTR | dns.bos.cav.net | ||||||
| NS | ns2.cav.net | ||||||
| A | 216.177.22.20🇺🇸 G4-COMMUNICATIONS216.177.22.0/24 CAV.NET PO BOX 10 EAST DERRY NH 03041 United States | ||||||
| PTR | dhcp1.stw.fibercast.net | ||||||
| NS | ns3.cav.net ⚠️ Not in parent delegation | ||||||
| A | 216.177.22.19🇺🇸 G4-COMMUNICATIONS216.177.22.0/24 CAV.NET PO BOX 10 EAST DERRY NH 03041 United States | ||||||
| PTR | ns2.stw.fibercast.net | ||||||
| MX | 603t.com ⭐ | ||||||
| A | 216.177.6.22🇺🇸 G4-COMMUNICATIONS216.177.6.0/24 CAV.NET PO BOX 10 EAST DERRY NH 03041 United States | ||||||
| PTR | webserver1.bos.cav.net | ||||||
| SOA | ns1.cav.netgent@cav.net 2026-02-01 #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=1771291435 | ||||||
Similar names
DNS History
11 records (5 active, 6 former)
○NSdns10.hichina.com2015-07-17 → 2017-04-03 · 4 obs
● 2017-04-03 03:56:58
○ 2020-03-12 15:18:54
○ 2026-03-02 14:06:42
○NSdns19.hichina.com2020-03-12 → 2020-03-12 · 4 obs
● 2020-03-12 15:18:54
○ 2026-03-02 14:06:38
○ 2026-03-02 14:06:42
○NSdns9.hichina.com2015-07-17 → 2017-04-03 · 4 obs
● 2017-04-03 03:56:58
○ 2020-03-12 15:18:54
○ 2026-03-02 14:06:42
○NSns1.alidns.com2020-03-12 → 2020-03-12 · 4 obs
● 2020-03-12 15:18:54
○ 2026-03-02 14:06:38
○ 2026-03-02 14:06:42
●NSns1.cav.net2026-03-02 → 2026-03-02 · 3 obs
● 2026-03-02 14:06:38
● 2026-03-02 14:06:42
○NSns2.alidns.com2020-03-12 → 2020-03-12 · 4 obs
● 2020-03-12 15:18:54
○ 2026-03-02 14:06:38
○ 2026-03-02 14:06:42
●NSns2.cav.net2026-03-02 → 2026-03-02 · 3 obs
● 2026-03-02 14:06:38
● 2026-03-02 14:06:42
●NSns3.cav.net2026-03-02 → 2026-03-02 · 3 obs
● 2026-03-02 14:06:38
● 2026-03-02 14:06:42
●MX603t.com2026-03-02 → 2026-03-02 · 2 obs
● 2026-03-02 14:06:42
○A121.40.204.252016-09-12 → 2017-04-03 · 4 obs
● 2017-04-03 03:56:58
○ 2020-03-12 15:18:54
○ 2026-03-02 14:06:42
●A216.177.6.222026-03-02 → 2026-03-02 · 3 obs
● 2026-03-02 14:06:38
● 2026-03-02 14:06:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net... | - |
| 603t.com | ns1.cav.net, ns2.cav.net | - |
✅ Authoritative Response
Server: 216.177.6.10
NS records: ns1.cav.net, ns2.cav.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 603t.com (unsigned zone)
⏱️ Timing
Total: 4209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.177.6.22 |
| NS | 3 | ns3.cav.net, ns2.cav.net... |
| MX | 1 | 603t.com (pri: 0) |
| SOA | 1 | ns1.cav.net gent.cav.net |
Analysis
IP Addresses
603t.com points to a single IP: 216.177.6.22.
Other host names, for instance ataturk.com, pittsburgnh.com, 4nh.com, secim.com and cav.org share IP numbers with 603t.com.
Name Servers
603t.com is delegated to three name servers: ns1.cav.net, ns2.cav.net and ns3.cav.net.
603t.com at least partially shares its name servers with other domains, for instance 8.177.216.in-addr.arpa, 159.89.208.in-addr.arpa, 23.177.216.in-addr.arpa, cav.net and 21.177.216.in-addr.arpa.
these name servers are commonly used together with ns4.cav.net, ns1.fibercast.net, ns2.fibercast.net and ns1.metro2000.net.
Host names with one IP number:
ns1.cav.net points to: 216.177.6.10.
ns2.cav.net points to: 216.177.22.20.
ns3.cav.net points to: 216.177.22.19.
Mail Servers
603t.com is handled by a single mail server.
603t.com points to IP number 216.177.6.22.