fcd.su - robtex.com
fcd.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.240.86.51🇷🇺 RU-JSCIOT91.240.86.0/23 | ||||||
| PTR | dimamuhinboeng1.fvds.ru | ||||||
| NS | ns1.fcd.su ⭐ | ||||||
| A | 91.240.86.51🇷🇺 RU-JSCIOT91.240.86.0/23 | ||||||
| PTR | dimamuhinboeng1.fvds.ru | ||||||
| NS | ns2.fcd.su ⚠️ Not in zone NS records | ||||||
| MX | mail.fcd.su ⭐ | ||||||
| A | 91.240.86.51🇷🇺 RU-JSCIOT91.240.86.0/23 | ||||||
| PTR | dimamuhinboeng1.fvds.ru | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.fcd.sudns-admin@fcd.su 2026-03-13 #1 | ||||||
su
| 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=650209708 | ||||||
Previously MX for
fcd.su |
Subdomains
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
○NSexpirepages-kiae-1.nic.ru2016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 23:06:34
○ 2016-10-21 10:48:48
○ 2026-07-04 04:42:08
○NSexpirepages-kiae-2.nic.ru2016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 23:06:34
○ 2016-10-21 10:48:48
○ 2026-07-04 04:42:08
●NSns1.fcd.su2026-04-21 → 2026-07-04 · 3 obs
● 2026-04-21 03:13:10
● 2026-07-04 04:42:08
○NSns1.multihost.ru2015-06-01 → 2016-06-18 · 4 obs
● 2016-06-18 23:35:04
○ 2016-08-11 23:06:34
○ 2026-07-04 04:42:08
●NSns2.fcd.su2026-04-21 → 2026-07-04 · 3 obs
● 2026-04-21 03:13:10
● 2026-07-04 04:42:08
○NSns2.multihost.ru2015-06-01 → 2016-06-18 · 4 obs
● 2016-06-18 23:35:04
○ 2016-08-11 23:06:34
○ 2026-07-04 04:42:08
○NSns3.multihost.ru2015-06-01 → 2016-06-18 · 4 obs
● 2016-06-18 23:35:04
○ 2016-08-11 23:06:34
○ 2026-07-04 04:42:08
○MXfcd.su2015-06-01 → 2016-06-18 · 4 obs
● 2016-06-18 23:35:04
○ 2016-08-11 23:06:34
○ 2026-07-04 04:42:08
●MXmail.fcd.su2026-05-07 → 2026-07-04 · 3 obs
● 2026-05-07 21:48:04
● 2026-07-04 04:42:08
○MXnomail.nic.ru2016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 23:06:34
○ 2016-10-21 10:48:48
○ 2026-07-04 04:42:08
○A109.70.26.372016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 23:06:34
○ 2016-10-21 10:48:48
○ 2026-07-04 04:42:08
○A185.42.12.122015-06-01 → 2016-06-18 · 4 obs
● 2016-06-18 23:35:04
○ 2016-08-11 23:06:34
○ 2026-07-04 04:42:08
○A194.85.61.762016-08-11 → 2016-08-11 · 4 obs
● 2016-08-11 23:06:34
○ 2016-10-21 10:48:48
○ 2026-07-04 04:42:08
●A91.240.86.512026-04-21 → 2026-07-04 · 3 obs
● 2026-04-21 03:13:10
● 2026-07-04 04:42:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net... | 10 records |
| fcd.su | ns1.fcd.su, ns2.fcd.su | 2 records |
✅ Authoritative Response
Server:91.240.86.51
NS records: ns1.fcd.su, ns2.fcd.su
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fcd.su (unsigned zone)
⏱️ Timing
Total: 5061ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.240.86.51 |
| NS | 1 | ns1.fcd.su |
| MX | 1 | mail.fcd.su (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.fcd.su dns-admin.fcd.su |
📌 Glue Records Collected
Total: 12
In-bailiwick: 2 (ns2.fcd.su, ns1.fcd.su)
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Hierarchy
The parent domain of ns1.fcd.su and mail.fcd.su is fcd.su.
IP Addresses
fcd.su directs to one IP number, which is 91.240.86.51.
Other hosts including ns1.fcd.su, mail.fcd.su and dimamuhinboeng1.fvds.ru share IP addresses with fcd.su.
Name Servers
fcd.su has two authoritative name servers — ns1.fcd.su and ns2.fcd.su.
Hosts that resolve to one IP address:
ns1.fcd.su resolves to 91.240.86.51.
Mail Servers
fcd.su routes its mail through a single mail server, mail.fcd.su.
mail.fcd.su points to one IP number — 91.240.86.51.