grb-mail.de - robtex.com
grb-mail.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=1776140173 | ||||||
MX for
grb-mail.de |
Same first word
grb-mail.de |
Similar names
DNS History
8 records (8 active, 0 former)
●MXgrb-mail.de2026-03-07 → 2026-04-14 · 2 obs
● 2026-04-14 04:22:22
●A116.203.36.1472026-03-07 → 2026-04-14 · 2 obs
● 2026-04-14 04:22:22
●A2a01:4f8:1c1b:9558::12026-03-07 → 2026-04-14 · 2 obs
● 2026-04-14 04:22:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| grb-mail.de | ns4.iserv.eu, ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu | - |
✅ Authoritative Response
Server:116.202.2.219
NS records: ns4.iserv.eu, ns3.iserv.eu, ns1.iserv.eu, ns2.iserv.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grb-mail.de (unsigned zone)
⏱️ Timing
Total: 1107ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.203.36.147 |
| AAAA | 1 | 2a01:4f8:1c1b:9558::1 |
| NS | 4 | ns4.iserv.eu, ns3.iserv.eu... |
| MX | 2 | offline.iserv.eu (pri: 50), grb-mail.de (pri: 10) |
| TXT | 1 | v=spf1 a mx a:relay1.iserv.eu a:relay2.i |
| SOA | 1 | ns1.iserv.eu hostmaster.iserv.eu |
Analysis
Mail Server Role
grb-mail.de serves as the mail server for grb-mail.de.
offline.iserv.eu is commonly used as a mail server alongside grb-mail.de.
IP Addresses
grb-mail.de has two IP numbers: 2a01:4f8:1c1b:9558::1 and 116.203.36.147.
Name Servers
grb-mail.de delegates to four name servers: ns1.iserv.eu, ns2.iserv.eu, ns3.iserv.eu and ns4.iserv.eu.
grb-mail.de at least partially shares name servers with other domains, including adolf-reichwein-schule.org, ohs-iserv.de, teutloff-bs.de, geporta.de and xn--thg-gttingen-8ib.de.
Host names with two IP numbers: ns1.iserv.eu points to 2a01:4f8:c01f:42::1 and 116.202.2.219; ns2.iserv.eu points to 2a03:4000:20:19b::1 and 91.204.44.133; ns3.iserv.eu points to 2a01:4f8:1c0c:8111::1 and 116.203.7.41; ns4.iserv.eu points to 2a03:4000:20:19e::1 and 188.68.45.203.
Mail Servers
grb-mail.de is handled by two mail servers: grb-mail.de and offline.iserv.eu.
grb-mail.de shares at least some mail servers with other domains, for example obsbohmte.eu, gs-hesepe.de, igs-goettingen.de, hks-hameln.de and knieberg.net.
These mail servers are often used together with the mail servers smtp.mail.schuldock.de.
Host names with two IPs:
grb-mail.de points to 2a01:4f8:1c1b:9558::1 and 116.203.36.147
offline.iserv.eu points to 2a01:4f8:c2c:4863::1 and 159.69.47.32