macsyma.net - robtex.com
macsyma.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 205.166.94.176🇺🇸 HOPONE-GLOBAL205.166.94.0/24 HopOne Internet Corp. SEA2 Customer Provided Block | ||||||
| NS | macsyma.net ⭐ | ||||||
| A | 205.166.94.176🇺🇸 HOPONE-GLOBAL205.166.94.0/24 HopOne Internet Corp. SEA2 Customer Provided Block | ||||||
| NS | ns-a.freeshell.org ⚠️ Not in parent delegation | ||||||
| A | 205.166.94.24🇺🇸 HOPONE-GLOBAL205.166.94.0/24 HopOne Internet Corp. SEA2 Customer Provided Block | ||||||
| PTR | mx.sdf.org | ||||||
| NS | ns-a.sdf.org ⚠️ Not in zone NS records | ||||||
| NS | ns-b.freeshell.org ⚠️ Not in parent delegation | ||||||
| NS | ns-b.sdf.org ⚠️ Not in zone NS records | ||||||
| A | 66.148.112.151🇺🇸 HOPONE-GLOBAL66.148.112.0/23 SEA2 | ||||||
| PTR | pixelfed.sdf.org | ||||||
| NS | ns-c.sdf.org ⚠️ Not in zone NS records | ||||||
| A | 178.63.35.195🇩🇪 Hetzner178.63.0.0/16 HETZNER-RZ-FKS-BLK2 | ||||||
| PTR | sdfeu.org | ||||||
| MX | mail.freeshell.org ⭐ | ||||||
| SOA | macsyma.nethostmaster@macsyma.net 2026-03-30 #4 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774850202 | ||||||
NS for
macsyma.net |
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NSmacsyma.net2015-08-17 → 2026-03-30 · 2 obs
● 2026-03-30 06:21:36
●NSns-a.freeshell.org2015-08-17 → 2026-03-30 · 2 obs
● 2026-03-30 06:21:36
●NSns-a.sdf.org2026-03-19 → 2026-03-30 · 3 obs
● 2026-03-19 06:43:54
● 2026-03-30 06:21:36
●NSns-b.freeshell.org2015-08-17 → 2026-03-30 · 2 obs
● 2026-03-30 06:21:36
●NSns-b.sdf.org2026-03-19 → 2026-03-30 · 3 obs
● 2026-03-19 06:43:54
● 2026-03-30 06:21:36
●NSns-c.sdf.org2026-03-19 → 2026-03-30 · 3 obs
● 2026-03-19 06:43:54
● 2026-03-30 06:21:36
●MXmail.freeshell.org2015-08-17 → 2026-03-30 · 5 obs
● 2017-03-28 05:06:42
○ 2026-03-19 06:43:54
● 2026-03-30 06:21:34
● 2026-03-30 06:21:36
○A192.94.73.1762015-08-17 → 2016-03-25 · 4 obs
● 2016-03-25 14:27:16
○ 2017-03-28 05:06:42
○ 2026-03-30 06:21:36
●A205.166.94.1762017-03-28 → 2026-03-30 · 5 obs
● 2017-03-28 05:06:42
○ 2026-03-19 06:43:54
● 2026-03-30 06:21:34
● 2026-03-30 06:21:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| macsyma.net | ns-a.sdf.org, ns-b.sdf.org, ns-c.sdf.org | - |
✅ Authoritative Response
Server:205.166.94.24
NS records: ns-a.sdf.org, ns-b.sdf.org, ns-c.sdf.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for macsyma.net (unsigned zone)
⏱️ Timing
Total: 2636ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 205.166.94.176 |
| NS | 2 | ns-b.freeshell.org, ns-a.freeshell.org |
| MX | 1 | mail.freeshell.org (pri: 75) |
| SOA | 1 | macsyma.net hostmaster.macsyma.net |
Analysis
Name Server Role
macsyma.net serves as a name server for macsyma.net.
ns-a.freeshell.org, ns-b.freeshell.org and ns-a.sdf.org are commonly used as name servers along with macsyma.net.
IP Addresses
macsyma.net resolves to one IP number: 205.166.94.176.
Other host names, for instance supdup.com, share IP numbers with macsyma.net.
Name Servers
The domain macsyma.net has six name servers: macsyma.net, ns-a.freeshell.org, ns-b.freeshell.org, ns-a.sdf.org, ns-b.sdf.org and ns-c.sdf.org.
macsyma.net at least partially shares name servers with other domains, for instance lopshop.net, twenex.com, loompaland.org, ramoog.com and housekm.com.
These name servers are commonly used alongside ns-d.sdf.org and ns-c.freeshell.org.
Host names with one IP number: macsyma.net points to 205.166.94.176; ns-a.freeshell.org points to 205.166.94.24; ns-b.sdf.org points to 66.148.112.151; ns-c.sdf.org points to 178.63.35.195.
Mail Servers
macsyma.net is handled by a single mail server, mail.freeshell.org.
macsyma.net shares the same mail server setup as other domains, for instance wlonews.com, theunixplace.org, synthepedia.org, lopshop.net and synthepedia.com.