igs-sz.de - robtex.com
igs-sz.de
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=1777241923 | ||||||
MX for
igs-sz.de |
Subdomains
iserv.igs-sz.de |
Same first word
igs-sz.de |
DNS History
8 records (7 active, 1 former)
●NSns3.iserv.eu2017-01-11 → 2026-04-26 · 3 obs
● 2017-01-11 02:24:06
● 2026-04-26 22:42:46
●NSns4.iserv.eu2020-04-04 → 2026-04-26 · 3 obs
● 2020-04-04 00:13:16
● 2026-04-26 22:42:46
●MXigs-sz.de2015-06-11 → 2026-04-26 · 2 obs
● 2026-04-26 22:42:46
○A217.13.170.1062015-06-11 → 2020-04-04 · 4 obs
● 2020-04-04 00:13:16
○ 2026-04-26 22:42:44
○ 2026-04-26 22:42:46
●A45.13.21.2192026-04-26 → 2026-04-26 · 3 obs
● 2026-04-26 22:42:44
● 2026-04-26 22:42:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| igs-sz.de | ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu | - |
✅ Authoritative Response
Server:188.68.45.203
NS records: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu, ns4.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for igs-sz.de (unsigned zone)
⏱️ Timing
Total: 1112ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.13.21.219 |
| NS | 4 | ns1.iserv.eu, ns4.iserv.eu... |
| MX | 2 | igs-sz.de (pri: 10), offline.iserv.eu (pri: 50) |
| TXT | 2 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i, MS=ms16152095 |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Hierarchy
The parent of iserv.igs-sz.de is igs-sz.de.
Mail Server Role
igs-sz.de serves as the mail server for igs-sz.de.
offline.iserv.eu is commonly used as a mail server in conjunction with igs-sz.de.
IP Addresses
igs-sz.de points to a single IP number: 45.13.21.219.
Other host names, for instance amselstieg.de, share IP numbers with igs-sz.de.
Name Servers
igs-sz.de is delegated to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
igs-sz.de shares name servers with other domains at least partially, for instance emr-rs.de, rsott.net, luinet.de, waldschule-steyerberg.eu and obs-bbg.de.
Host names with two IP numbers:
ns1.iserv.eu resolves to 2a01:4f8:c01f:42::1 and 116.202.2.219.
ns2.iserv.eu resolves to 2a03:4000:20:19b::1 and 91.204.44.133.
ns3.iserv.eu resolves to 2a01:4f8:1c0c:8111::1 and 116.203.7.41.
ns4.iserv.eu resolves to 2a03:4000:20:19e::1 and 188.68.45.203.
Mail Servers
Two mail servers handle igs-sz.de: igs-sz.de and offline.iserv.eu.
igs-sz.de shares some mail servers with other domains, including heg-portal.de, gs-osterwald.de, bbscad.de, gghi.de and gs-visselhoevede.de.
Host names with two IPs:
offline.iserv.eu points to: 2a01:4f8:c2c:4863::1 and 159.69.47.32.
Host names with one IP:
igs-sz.de points to: 45.13.21.219.