ist-sysadmin.de - robtex.com
ist-sysadmin.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 62.75.208.102 | ||||||
| NS | ns1.ist-sysadmin.de ⭐ | ||||||
| A | 78.47.90.50🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| NS | ns2.ist-sysadmin.de | ||||||
| A | 188.40.188.157🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| MX | mailserver1.ist-sysadmin.de ⭐ | ||||||
| A | 2a01:4f8:13b:1c02:188:40:188:150🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | mailserver1.ist-sysadmin.de | ||||||
| A | 188.40.188.150🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.ist-sysadmin.dehostmaster@gerbig.info 2025-07-04 #1 | ||||||
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=1784684499 | ||||||
Subdomains
mail.ist-sysadmin.de |
bigserver1.ist-sysadmin.de |
ns.ist-sysadmin.de |
ns3.ist-sysadmin.de |
bigserver2.ist-sysadmin.de |
ns2.ist-sysadmin.de |
ns1.ist-sysadmin.de |
mailserver1.ist-sysadmin.de |
mailserver2.ist-sysadmin.de |
Same first word
ist-sysadmin.de |
DNS History
6 records (4 active, 2 former)
●NSns1.ist-sysadmin.de2015-05-10 → 2026-07-22 · 2 obs
● 2026-07-22 01:44:24
●NSns2.ist-sysadmin.de2015-05-10 → 2026-07-22 · 2 obs
● 2026-07-22 01:44:24
○NSns3.ist-sysadmin.de2015-05-10 → 2017-05-14 · 4 obs
● 2017-05-14 04:27:50
○ 2026-02-15 15:13:10
○ 2026-07-22 01:44:24
○MXmail.ist-sysadmin.de2015-05-10 → 2017-05-14 · 4 obs
● 2017-05-14 04:27:50
○ 2026-02-15 15:13:10
○ 2026-07-22 01:44:24
●MXmailserver1.ist-sysadmin.de2026-02-15 → 2026-07-22 · 3 obs
● 2026-02-15 15:13:10
● 2026-07-22 01:44:24
●A62.75.208.1022015-05-10 → 2026-07-22 · 2 obs
● 2026-07-22 01:44:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| ist-sysadmin.de | ns1.ist-sysadmin.de, ns2.ist-sysadmin.de | 2 records |
✅ Authoritative Response
Server:188.40.188.157
NS records: ns1.ist-sysadmin.de, ns2.ist-sysadmin.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ist-sysadmin.de (unsigned zone)
⏱️ Timing
Total: 1103ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.75.208.102 |
| NS | 2 | ns1.ist-sysadmin.de, ns2.ist-sysadmin.de |
| MX | 1 | mailserver1.ist-sysadmin.de (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.ist-sysadmin.de hostmaster.gerbig.in |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.ist-sysadmin.de, ns2.ist-sysadmin.de)
Analysis
Hierarchy
ist-sysadmin.de is a parent domain; its children include mail.ist-sysadmin.de, bigserver1.ist-sysadmin.de, ns.ist-sysadmin.de, ns3.ist-sysadmin.de, bigserver2.ist-sysadmin.de and a few other host names.
IP Addresses
ist-sysadmin.de resolves to one IP address: 62.75.208.102.
mail.ist-sysadmin.de, mail.sind-kult.de, sterneundweltraum.de and two other host names share IP numbers with ist-sysadmin.de.
Name Servers
ist-sysadmin.de is delegated to two name servers: ns1.ist-sysadmin.de and ns2.ist-sysadmin.de.
ist-sysadmin.de uses the same name servers as several other domains — among them sindkult.de, ist-kult.de, istkult.de and two more.
ist-sysadmin.de partially shares its NS delegation with several other domains, including ab-ins-bettchen.de, gerbig-musik.de, ferien-mit-hunden.de and two others.
These name servers often co-occur with the name servers ns2.istsysadmin.de.
ns1.ist-sysadmin.de resolves to 78.47.90.50. ns2.ist-sysadmin.de resolves to 188.40.188.157. Both host names point to a single IP number.
Mail Servers
Mail for ist-sysadmin.de is handled by a single mail server, mailserver1.ist-sysadmin.de.
ist-sysadmin.de uses an identical mail server configuration to several other domains — among them gerbig.mobi, ist-kult.de, istkult.de and two more.
ist-sysadmin.de partially shares its mail servers with other domains, gerbig.info and tierarzt-koeddingen.de being examples.
This set of mail servers commonly appears together with the mail servers mailserver2.ist-sysadmin.de.
The host mailserver1.ist-sysadmin.de resolves to 188.40.188.150 and 2a01:4f8:13b:1c02:188:40:188:150 — two IP addresses.