alfa-cs.net - robtex.com
alfa-cs.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.99.223.92🇺🇸 Limestone Networks140.99.223.0/24 Used by EndUser | ||||||
| NS | ns3.webhostingsv.com ⭐ | ||||||
| A | 142.11.206.151🇺🇸 HOSTWINDS-1142.11.192.0/18 MNT-HL-29 route 142.011.192.000/18 AS54290 | ||||||
| PTR | ns4.webhostingsv.com | ||||||
| NS | ns4.webhostingsv.com | ||||||
| A | 142.11.206.151🇺🇸 HOSTWINDS-1142.11.192.0/18 MNT-HL-29 route 142.011.192.000/18 AS54290 | ||||||
| PTR | ns4.webhostingsv.com | ||||||
| MX | mail.alfa-cs.net ⭐ | ||||||
| A | 2607:5500:3000:d96::2🇺🇸 HOSTWINDS-12607:5500::/32 Hostwinds | ||||||
| PTR | ns4.webhostingsv.com | ||||||
| A | 142.11.206.151🇺🇸 HOSTWINDS-1142.11.192.0/18 MNT-HL-29 route 142.011.192.000/18 AS54290 | ||||||
| PTR | ns4.webhostingsv.com | ||||||
| TXT | v=spf1 ip4:142.11.206.151 +a +mx ~all | ||||||
| SOA | ns3.webhostingsv.comoscar\@tecn.gmail.com 2026-03-28 #2 | ||||||
net
| 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=1775933867 | ||||||
Subdomains
mail.alfa-cs.net |
Same first word
alfa-cs.net |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns3.webhostingsv.com2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 13:03:18
● 2026-04-11 19:19:54
●NSns4.webhostingsv.com2026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 13:03:18
● 2026-04-11 19:19:54
○NSns5.webhostingsv.com2015-08-04 → 2017-03-16 · 4 obs
● 2017-03-16 13:05:20
○ 2026-03-03 13:03:18
○ 2026-04-11 19:19:54
○NSns6.webhostingsv.com2015-08-04 → 2017-03-16 · 4 obs
● 2017-03-16 13:05:20
○ 2026-03-03 13:03:18
○ 2026-04-11 19:19:54
●MXmail.alfa-cs.net2015-08-04 → 2026-04-11 · 2 obs
● 2026-04-11 19:19:54
●A140.99.223.922026-03-03 → 2026-04-11 · 3 obs
● 2026-03-03 13:03:18
● 2026-04-11 19:19:54
○A23.254.161.2022015-08-04 → 2017-03-16 · 4 obs
● 2017-03-16 13:05:20
○ 2026-03-03 13:03:18
○ 2026-04-11 19:19:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| alfa-cs.net | ns3.webhostingsv.com, ns4.webhostingsv.com | - |
✅ Authoritative Response
Server:142.11.206.151
NS records: ns3.webhostingsv.com, ns4.webhostingsv.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for alfa-cs.net (unsigned zone)
⏱️ Timing
Total: 412ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.99.223.92 |
| NS | 2 | ns4.webhostingsv.com, ns3.webhostingsv.com |
| MX | 1 | mail.alfa-cs.net (pri: 0) |
| TXT | 1 | v=spf1 ip4:142.11.206.151 +a +mx ~all |
| SOA | 1 | ns3.webhostingsv.com oscar\.tecn.gmail.c |
Analysis
Hierarchy
The parent of mail.alfa-cs.net is alfa-cs.net.
IP Addresses
alfa-cs.net points to a single IP address: 140.99.223.92.
Name Servers
Two name servers ns3.webhostingsv.com and ns4.webhostingsv.com handle the delegation for alfa-cs.net.
alfa-cs.net uses the same name server setup as other domains, such as vyrtravel.com, transmundohn.com and tinmarin.org.
alfa-cs.net partially shares name servers with other domains, for example premier.com.sv and jiboa.net.
these name servers commonly pair with ns5.webhostingsv.com, ns6.webhostingsv.com, ns1.webhostingsv.com and ns2.webhostingsv.com.
Host names with a single IP:
ns3.webhostingsv.com points to 142.11.206.151.
ns4.webhostingsv.com points to 142.11.206.151.
Host names pointing to 142.11.206.151: ns3.webhostingsv.com and ns4.webhostingsv.com.
Mail Servers
The mail.alfa-cs.net mail server handles alfa-cs.net.
mail.alfa-cs.net points to two IP numbers: 2607:5500:3000:d96::2 and 142.11.206.151.