edge.sfcore.org - robtex.com
edge.sfcore.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.74.225.138🇷🇺 SELECTEL-MSK212.74.224.0/22 Selectel Route Object | ||||||
| PTR | edge.sfcore.org | ||||||
sfcore.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sk.eserver.net ⭐ | ||||||
| NS | ns2.sk.eserver.net | ||||||
| NS | ns3.sk.eserver.net | ||||||
| NS | ns4.sk.eserver.net | ||||||
| MX | edge.sfcore.org ⭐ | ||||||
| MX | mailbox.germanywestcentral.cloudapp.azure.com(10) | ||||||
| TXT | _globalsign-domain-verification=HoZVXtL_k-lVTVa5njTq-MBa0Q1BuKl1kNJuSM7WA7 | ||||||
| TXT | v=spf1 a:mail.workhost.de mx -all | ||||||
| TXT | MS=ms22384535 | ||||||
| SOA | ns1.sk.eserver.nethostmaster@sfcore.org 2026-07-20 #2 | ||||||
PTR for
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A212.74.225.1382026-03-26 → 2026-08-09 · 2 obs
● 2026-03-26 05:44:48
● 2026-08-09 20:16:22
● 2026-08-09 20:16:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| sfcore.org | ns2.sk.eserver.net, ns4.sk.eserver.net, ns1.sk.eserver.net, ns3.sk.eserver.net | - |
✅ Authoritative Response
Server:91.219.236.163
NS records: ns2.sk.eserver.net, ns4.sk.eserver.net, ns1.sk.eserver.net, ns3.sk.eserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfcore.org (unsigned zone)
⏱️ Timing
Total: 751ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.74.225.138 |
Analysis
Mail Server Role
edge.sfcore.org acts as the mail server for port-expert.ru, tasty-kingdom.ru, adga.ru and sfcore.org.
As mail servers, mailbox.germanywestcentral.cloudapp.azure.com and edge.sfcore.org are regularly found together.
IP Addresses
edge.sfcore.org resolves to just one IP address, 212.74.225.138.