f-ex.ru - robtex.com
f-ex.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.12.171.2🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | static.2.171.12.49.clients.your-server.de | ||||||
| NS | dns.fastdns24.com ⭐ | ||||||
| A | 2001:41d0:1004:3000::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| A | 176.31.3.154🇫🇷 OVH176.31.0.0/16 ISP Paris, France | ||||||
| PTR | dns.fastdns24.com | ||||||
| NS | dns2.fastdns24.org | ||||||
| A | 2a01:5a60:5::63🇷🇺 OOOVPS-AS2a01:5a60::/32 VPS IPv6 routed network | ||||||
| PTR | s23be981c.fastvps-server.com | ||||||
| A | 5.188.30.150🇷🇺 OOOVPS-AS5.188.30.0/24 VPS routed network | ||||||
| NS | dns3.fastdns24.eu | ||||||
| A | 2a01:4f8:212:c16::4🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | dns3.fastdns24.eu | ||||||
| A | 136.243.223.232🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | dns3.fastdns24.eu | ||||||
| NS | dns4.fastdns24.link | ||||||
| A | 2a01:4f9:2a:195a::4🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| PTR | dns4.fastdns24.link | ||||||
| A | 95.216.25.5🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC | ||||||
| PTR | dns4.fastdns24.link | ||||||
| MX | mail.f-ex.ru ⭐ | ||||||
| A | 49.12.171.2🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | static.2.171.12.49.clients.your-server.de | ||||||
| TXT | v=spf1 ip4:49.12.171.2 a mx ~all | ||||||
| SOA | dns.fastdns24.comsupport@fastvps.hosting 2024-06-04 #4 | ||||||
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=4068147 | ||||||
Subdomains
mail.f-ex.ru |
Same first word
f-ex.ru |
Similar names
DNS History
15 records (6 active, 9 former)
●NSdns.fastdns24.com2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:44:26
● 2026-03-22 18:44:28
●NSdns2.fastdns24.org2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:44:26
● 2026-03-22 18:44:28
●NSdns3.fastdns24.eu2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:44:26
● 2026-03-22 18:44:28
●NSdns4.fastdns24.link2026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:44:26
● 2026-03-22 18:44:28
○NSlcdalw657.amhost.net2016-06-04 → 2017-07-21 · 5 obs
● 2016-06-04 10:57:14
● 2017-07-21 14:35:36
○ 2026-03-22 18:44:26
○ 2026-03-22 18:44:28
○NSlcdalw657n.amhost.net2016-06-04 → 2017-07-21 · 5 obs
● 2016-06-04 10:57:14
● 2017-07-21 14:35:36
○ 2026-03-22 18:44:26
○ 2026-03-22 18:44:28
○NSns1.jino.ru2015-06-27 → 2015-10-26 · 4 obs
● 2015-10-26 03:10:20
○ 2016-01-25 04:50:38
○ 2026-03-22 18:44:28
○NSns2.jino.ru2015-06-27 → 2015-10-26 · 4 obs
● 2015-10-26 03:10:20
○ 2016-01-25 04:50:38
○ 2026-03-22 18:44:28
○NSns3.jino.ru2015-06-27 → 2015-10-26 · 4 obs
● 2015-10-26 03:10:20
○ 2016-01-25 04:50:38
○ 2026-03-22 18:44:28
○NSns4.jino.ru2015-06-27 → 2015-10-26 · 4 obs
● 2015-10-26 03:10:20
○ 2016-01-25 04:50:38
○ 2026-03-22 18:44:28
●MXmail.f-ex.ru2015-06-27 → 2026-03-22 · 5 obs
● 2015-10-26 03:10:20
○ 2016-01-25 04:50:38
● 2016-06-04 10:57:14
● 2026-03-22 18:44:28
○A188.165.25.1852015-06-27 → 2015-10-26 · 4 obs
● 2015-10-26 03:10:20
○ 2015-11-07 14:19:24
○ 2026-03-22 18:44:28
●A49.12.171.22026-03-22 → 2026-03-22 · 3 obs
● 2026-03-22 18:44:26
● 2026-03-22 18:44:28
○A83.222.14.2072015-11-07 → 2015-11-07 · 4 obs
● 2015-11-07 14:19:24
○ 2016-01-25 04:50:38
○ 2026-03-22 18:44:28
○A95.211.30.332016-06-04 → 2017-07-21 · 5 obs
● 2016-06-04 10:57:14
● 2017-07-21 14:35:36
○ 2026-03-22 18:44:26
○ 2026-03-22 18:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net... | - |
| f-ex.ru | dns3.fastdns24.eu, dns.fastdns24.com, dns2.fastdns24.org, dns4.fastdns24.link | - |
✅ Authoritative Response
Server: 95.216.25.5
NS records: dns3.fastdns24.eu, dns.fastdns24.com, dns2.fastdns24.org, dns4.fastdns24.link
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f-ex.ru (unsigned zone)
⏱️ Timing
Total: 1424ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.171.2 |
| NS | 4 | dns2.fastdns24.org, dns3.fastdns24.eu... |
| MX | 1 | mail.f-ex.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:49.12.171.2 a mx ~all |
| SOA | 1 | dns.fastdns24.com support.fastvps.hostin |
Analysis
Hierarchy
The parent of mail.f-ex.ru is f-ex.ru.
IP Addresses
f-ex.ru points to a single IP: 49.12.171.2.
Other host names, for instance mail.f-ex.ru, mail.osglavnom.ru, static.2.171.12.49.clients.your-server.de, osglavnom.ru and xn--b1agadj3adt6a.xn--p1ai share IP numbers with f-ex.ru.
Name Servers
f-ex.ru's delegation is handled by four name servers: dns.fastdns24.com, dns3.fastdns24.eu, dns4.fastdns24.link and dns2.fastdns24.org.
f-ex.ru partially shares name servers with other domains; examples include kompensacii.ru, sosdienests.lv, 24medhelp.ru, autopodbor152.ru and drknow.ru.
These name servers are commonly used with ns1.fastvps.ru, dns2.dns-root.org, dns3.dns-root.pro, dns1.dns-root.ru, ns3.fastvps.ru and ns4.fastvps.ru.
Host names with two IPs:
dns.fastdns24.com points to 2001:41d0:1004:3000::2 and 176.31.3.154
dns3.fastdns24.eu points to 2a01:4f8:212:c16::4 and 136.243.223.232
dns4.fastdns24.link points to 2a01:4f9:2a:195a::4 and 95.216.25.5
dns2.fastdns24.org points to 2a01:5a60:5::63 and 5.188.30.150
Mail Servers
f-ex.ru is handled by a single mail server, mail.f-ex.ru.
mail.f-ex.ru points to a single IP: 49.12.171.2.