symbolabs.de - robtex.com
symbolabs.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 138.201.89.228🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4 | ||||||
| PTR | static.228.89.201.138.clients.your-server.de | ||||||
| NS | a.regfish-ns.net ⭐ | ||||||
| A | 2a02:2c0:0:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0::/48 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| A | 178.21.144.21🇩🇪 REGFISH-AS178.21.144.0/24 Vultr Customer Route | ||||||
| PTR | a.regfish-ns.net | ||||||
| NS | b.regfish-ns.net | ||||||
| A | 2a02:2c0:1:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:1::/48 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| A | 178.21.145.21🇩🇪 REGFISH-AS178.21.145.0/24 Vultr Customer Route | ||||||
| PTR | b.regfish-ns.net | ||||||
| NS | c.regfish-ns.net | ||||||
| A | 2a02:2c0:2:21::aced:beef🇩🇪 REGFISH-AS2a02:2c0:2::/48 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| A | 178.21.146.21🇩🇪 REGFISH-AS178.21.146.0/24 Vultr Customer Route | ||||||
| PTR | c.regfish-ns.net | ||||||
| MX | mailserv.regfish.com ⭐ | ||||||
| A | 52.57.101.90🇩🇪 Amazon52.57.0.0/16 EC2 FRA VPC prefix | ||||||
| PTR | mailserv.regfish.com | ||||||
| SOA | a.regfish-ns.netdns@regfish-ns.net serial=1671201997 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774611799 | ||||||
Same first word
symbolabs.de |
symbolabs.com |
DNS History
6 records (5 active, 1 former)
●NSa.regfish-ns.net2015-07-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:01:34
●NSb.regfish-ns.net2015-07-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:01:34
●NSc.regfish-ns.net2015-07-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:01:34
●MXmailserv.regfish.com2015-07-21 → 2026-03-27 · 2 obs
● 2026-03-27 12:01:34
●A138.201.89.2282016-06-26 → 2026-03-27 · 3 obs
● 2016-06-26 18:43:58
● 2026-03-27 12:01:34
○A79.140.50.562015-07-21 → 2016-03-02 · 4 obs
● 2016-03-02 00:26:38
○ 2016-06-26 18:43:58
○ 2026-03-27 12:01:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| symbolabs.de | c.regfish-ns.net, b.regfish-ns.net, a.regfish-ns.net | - |
✅ Authoritative Response
Server:178.21.144.21
NS records: c.regfish-ns.net, b.regfish-ns.net, a.regfish-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for symbolabs.de (unsigned zone)
⏱️ Timing
Total: 654ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.201.89.228 |
| NS | 3 | b.regfish-ns.net, c.regfish-ns.net... |
| MX | 1 | mailserv.regfish.com (pri: 0) |
| SOA | 1 | a.regfish-ns.net dns.regfish-ns.net |
Analysis
IP Addresses
symbolabs.de points to a single IP: 138.201.89.228.
Name Servers
symbolabs.de is delegated to three name servers: a.regfish-ns.net, b.regfish-ns.net and c.regfish-ns.net.
symbolabs.de at least partially shares its name servers with other domains, for instance willheckehaben.at, spickfeck.com, webwo.biz, mm-westerntraining.de and f-do.de.
Host names with two IP numbers:
a.regfish-ns.net points to: 2a02:2c0:0:21::aced:beef and 178.21.144.21.
b.regfish-ns.net points to: 2a02:2c0:1:21::aced:beef and 178.21.145.21.
c.regfish-ns.net points to: 2a02:2c0:2:21::aced:beef and 178.21.146.21.
Mail Servers
symbolabs.de is served by a single mail server, mailserv.regfish.com.
symbolabs.de uses the same mail server setup as other domains such as hadesweb.de, dynamic-core.de, fdsi.org, hjska.com and affection.de.
symbolabs.de shares mail servers with other domains at least in part, for instance culjat.com, fischnaller.org and godager.eu.
These mail servers are often used alongside the mail servers mail.rabenste.in.
mailserv.regfish.com points to IP number 52.57.101.90.