sfirstmail.com - robtex.com
sfirstmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| NS | ns1.sfirstmail.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns1.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns2.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns2.sfirstmail.com ⚠️ Not in parent delegation | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns3.sfirstmail.com ⚠️ Not in parent delegation | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| MX | mail.sfirstmail.com ⭐ | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| TXT | v=spf1 ip4:5.252.35.162 -all | ||||||
| TXT | v=spf1 ip4:5.230.123.239 a mx ~all | ||||||
| SOA | ns1.sfirstmail.comadmin@sfirstmail.com 2023-08-19 #2 | ||||||
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=1774362087 | ||||||
Subdomains
www.sfirstmail.com |
Same first word
sfirstmail.com |
DNS History
7 records (7 active, 0 former)
●NSns1.firstmail.ltd2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●NSns1.sfirstmail.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●NSns2.firstmail.ltd2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●NSns2.sfirstmail.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●NSns3.sfirstmail.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●MXmail.sfirstmail.com2026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
●A5.230.123.2392026-03-23 → 2026-03-24 · 2 obs
● 2026-03-24 14:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sfirstmail.com | ns1.firstmail.ltd, ns2.firstmail.ltd | - |
✅ Authoritative Response
Server:5.252.35.162
NS records: ns1.firstmail.ltd, ns2.firstmail.ltd
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfirstmail.com (unsigned zone)
⏱️ Timing
Total: 559ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.230.123.239 |
| NS | 3 | ns3.sfirstmail.com, ns2.sfirstmail.com... |
| MX | 1 | mail.sfirstmail.com (pri: 10) |
| TXT | 2 | v=spf1 ip4:5.252.35.162 -all, v=spf1 ip4:5.230.123.239 a mx ~all |
| SOA | 1 | ns1.sfirstmail.com admin.sfirstmail.com |
Analysis
Hierarchy
The parent of www.sfirstmail.com is sfirstmail.com.
IP Addresses
sfirstmail.com points to a single IP: 5.230.123.239.
Other host names, for instance mail.peripmails.ru, puedemail.com, hypnotiza.com, tacoblastmail.com and mail.filtrmail.com share IP numbers with sfirstmail.com.
Name Servers
sfirstmail.com is delegated to five name servers: ns1.sfirstmail.com, ns2.sfirstmail.com, ns3.sfirstmail.com, ns1.firstmail.ltd and ns2.firstmail.ltd.
sfirstmail.com partially shares name servers with other domains; examples include pathoge.com, seriesmail.com, filtrmail.com, interjmails.ru and puedemail.com.
These name servers are commonly used alongside ns1.pathoge.com, ns2.pathoge.com, ns1.pathoge.com.pathoge.com, ns1.seriesmail.com, ns1.seriesmail.com.seriesmail.com, ns1.filtrmail.com, ns2.filtrmail.com, ns3.filtrmail.com, ns1.interjmails.ru and ns1.interjmails.ru.interjmails.ru.
Host names with a single IP address
Host ns1.sfirstmail.com points to 5.252.35.162.
Host ns2.sfirstmail.com points to 5.252.35.162.
Host ns3.sfirstmail.com points to 5.230.123.239.
Host ns1.firstmail.ltd points to 5.252.35.162.
Host ns2.firstmail.ltd points to 5.252.35.162.
Most targets are 5.252.35.162, with ns3.sfirstmail.com pointing to 5.230.123.239.
Host names pointing to 5.252.35.162: ns1.sfirstmail.com, ns2.sfirstmail.com, ns1.firstmail.ltd and ns2.firstmail.ltd.
Mail Servers
sfirstmail.com is handled by a single mail server, mail.sfirstmail.com.
mail.sfirstmail.com points to a single IP: 5.230.123.239.