mx.4sci.org - dns.ninja
mx.4sci.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.88.64.2🇺🇸 AS701138.88.0.0/16 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | mx.grdn.net | ||||||
4sci.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.60.161.2🇺🇸 HOSTKEYUSA-AS139.60.161.0/24 HOSTKEY USA Inc | ||||||
| NS | a.ns.abcdigi.org ⭐ | ||||||
| NS | b.ns.abcdigi.org | ||||||
| MX | mx.4sci.org ⭐ | ||||||
| MX | b.mx.4sci.org(20) | ||||||
| TXT | v=spf1 a mx include:grdn.net -all | ||||||
| SOA | a.ns.abcdigi.orghostmaster@4sci.org serial=1786157630 | ||||||
MX for
Subdomains
b.mx.4sci.org |
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A138.88.64.22026-02-15 → 2026-08-08 · 2 obs
● 2026-02-15 11:42:24
● 2026-08-08 20:24:50
● 2026-08-08 20:24:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 4sci.org | b.ns.abcdigi.org, a.ns.abcdigi.org | 2 records |
✅ Authoritative Response
Server:139.60.161.35
NS records: b.ns.abcdigi.org, a.ns.abcdigi.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4sci.org (unsigned zone)
⏱️ Timing
Total: 224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.88.64.2 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (b.ns.abcdigi.org, a.ns.abcdigi.org)
Analysis
Hierarchy
b.mx.4sci.org is a subdomain of mx.4sci.org.
Mail Server Role
mx.4sci.org serves as a mail server for 4sci.org.
b.mx.4sci.org is often seen acting as a mail server in combination with mx.4sci.org.
IP Addresses
mx.4sci.org points to a single IP number: 138.88.64.2.
Additional host names — b.ns.grdn.net, mx.davidberning.com, mx.2brain.org and two others — share IP numbers with mx.4sci.org.