substantifmail.ru - robtex.com
substantifmail.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| NS | ns1.substantifmail.ru.substantifmail.ru ⭐ | ||||||
| NS | ns-reg2.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns-reg3.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns1.substantifmail.ru ⚠️ Not in parent delegation | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| MX | mail.substantifmail.ru ⭐ | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| TXT | v=spf1 ip4:5.252.35.162 -all | ||||||
| SOA | ns1.substantifmail.ru.substantifmail.ruadmin@substantifmail.ru.substantifmail.ru 2023-01-11 #2 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068865 | ||||||
Same first word
substantifmail.ru |
DNS History
6 records (6 active, 0 former)
●NSns-reg2.firstmail.ltd2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
●NSns-reg3.firstmail.ltd2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
●NSns1.substantifmail.ru2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
●NSns1.substantifmail.ru.substantifmail.ru2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
●MXmail.substantifmail.ru2026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
●A5.230.123.2392026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 00:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| substantifmail.ru | ns-reg3.firstmail.ltd, ns-reg2.firstmail.ltd | - |
✅ Authoritative Response
Server:5.252.35.162
NS records: ns-reg3.firstmail.ltd, ns-reg2.firstmail.ltd
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substantifmail.ru (unsigned zone)
⏱️ Timing
Total: 1130ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.230.123.239 |
| NS | 1 | ns1.substantifmail.ru |
| MX | 1 | mail.substantifmail.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:5.252.35.162 -all |
| SOA | 1 | ns1.substantifmail.ru.substantifmail.ru |
Analysis
IP Addresses
substantifmail.ru points to a single IP: 5.230.123.239.
Other host names, for instance demobilimails.ru, mail.semfmail.ru, mail.presentamail.ru, mail.geumatophobia.com and muhammali.ru share IP numbers with substantifmail.ru.
Name Servers
substantifmail.ru's delegation is handled by four name servers: ns-reg2.firstmail.ltd, ns-reg3.firstmail.ltd, ns1.substantifmail.ru and ns1.substantifmail.ru.substantifmail.ru.
substantifmail.ru partially shares name servers with other domains; examples include recapitufmail.ru, instrumentmail.ru, investigebml.ru, aumails.ru and neuroparamail.ru.
These name servers are commonly used with ns-reg1.firstmail.ltd, ns-reg4.firstmail.ltd, ns-reg6.firstmail.ltd, ns-reg5.firstmail.ltd, ns-reg8.firstmail.ltd and ns-reg10.firstmail.ltd.
Host names with one IP:
ns-reg2.firstmail.ltd points to: 5.252.35.162.
ns-reg3.firstmail.ltd points to: 5.252.35.162.
ns1.substantifmail.ru points to: 5.252.35.162.
Host names that point to 5.252.35.162: ns-reg2.firstmail.ltd, ns-reg3.firstmail.ltd and ns1.substantifmail.ru.
Mail Servers
substantifmail.ru is handled by a single mail server, mail.substantifmail.ru.
mail.substantifmail.ru points to a single IP: 5.230.123.239.