grenz-tec.de - robtex.com

grenz-tec.de

DNSSEC⚠️ Not signed
A2a01:4f8:c0c:579d::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRweb01.rsm-com.de
A116.203.181.127🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC
NSns1.rsm-com.de ⭐
A2a01:4f8:c2c:328e::1Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A188.245.66.37Hetzner188.245.0.0/16 HETZNER-DC
NSns2.rsm-com.de
A2a01:4f9:c012:f3e0::1Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK
A65.108.54.67
MXmail01.rsm-com.de ⭐
A2a01:4f8:1c1b:a58e::1Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A188.245.66.41Hetzner188.245.0.0/16 HETZNER-DC
TXTv=spf1 mx a -all
SOAns1.rsm-com.dehostmaster@rsm-com.de 2026-04-16 #5

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1784297461

Subdomains

www.grenz-tec.de

Same first word

grenz-tec.de

DNS History

10 records (5 active, 5 former)

20192020202120222023202420252026NSns1.rsm-com.dens2.rsm-com.dens1.rsmhosting.dens2.rsmhosting.deMXmail01.rsm-com.demx01.rsmhosting.deA116.203.181.1272a01:4f8:c0c:579d::1144.76.111.1952a01:4f8:192:61c2::2
●NSns1.rsm-com.de2026-07-13 → 2026-07-17 · 3 obs
○ 2018-05-31 10:25:20
● 2026-07-13 05:37:58
● 2026-07-17 14:28:20
○NSns1.rsmhosting.de2018-05-31 → 2018-05-31 · 3 obs
● 2018-05-31 10:25:20
○ 2026-07-13 05:37:58
○ 2026-07-17 14:28:20
●NSns2.rsm-com.de2026-07-13 → 2026-07-17 · 3 obs
○ 2018-05-31 10:25:20
● 2026-07-13 05:37:58
● 2026-07-17 14:28:20
○NSns2.rsmhosting.de2018-05-31 → 2018-05-31 · 3 obs
● 2018-05-31 10:25:20
○ 2026-07-13 05:37:58
○ 2026-07-17 14:28:20
●MXmail01.rsm-com.de2026-07-13 → 2026-07-17 · 3 obs
○ 2018-05-31 10:25:20
● 2026-07-13 05:37:58
● 2026-07-17 14:28:20
○MXmx01.rsmhosting.de2018-05-31 → 2018-05-31 · 3 obs
● 2018-05-31 10:25:20
○ 2026-07-13 05:37:58
○ 2026-07-17 14:28:20
●A116.203.181.1272026-07-13 → 2026-07-17 · 3 obs
○ 2018-05-31 10:25:20
● 2026-07-13 05:37:58
● 2026-07-17 14:28:20
○A144.76.111.1952018-05-31 → 2018-05-31 · 3 obs
● 2018-05-31 10:25:20
○ 2026-07-13 05:37:58
○ 2026-07-17 14:28:20
○A2a01:4f8:192:61c2::22018-05-31 → 2018-05-31 · 3 obs
● 2018-05-31 10:25:20
○ 2026-07-13 05:37:58
○ 2026-07-17 14:28:20
●A2a01:4f8:c0c:579d::12026-07-13 → 2026-07-17 · 3 obs
○ 2018-05-31 10:25:20
● 2026-07-13 05:37:58
● 2026-07-17 14:28:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
grenz-tec.dens1.rsm-com.de, ns2.rsm-com.de4 records

✅ Authoritative Response

Server:65.108.54.67

NS records: ns1.rsm-com.de, ns2.rsm-com.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for grenz-tec.de (unsigned zone)

⏱️ Timing

Total: 1036ms | Queries: -

📄 Records

TypeCountSample Data
A1116.203.181.127
AAAA12a01:4f8:c0c:579d::1
NS2ns1.rsm-com.de, ns2.rsm-com.de
MX1mail01.rsm-com.de (pri: 10)
TXT1v=spf1 mx a -all
SOA1ns1.rsm-com.de hostmaster.rsm-com.de

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.rsm-com.de, ns1.rsm-com.de, ns2.rsm-com.de...)

Analysis

Hierarchy

grenz-tec.de is the parent zone for www.grenz-tec.de.

IP Addresses

grenz-tec.de directs to two IP numbers, 116.203.181.127 and 2a01:4f8:c0c:579d::1

Additional host names — andreck.de, jara-zentrum.de, eisenwaren-biechele.de and two others — share IP numbers with grenz-tec.de.

Name Servers

Two name servers handle the delegation for grenz-tec.de: ns1.rsm-com.de and ns2.rsm-com.de.

grenz-tec.de shares its name server setup with other domains, including dr-petra-hiller.de, pfaffshop.de, ulmer-ruderclub.de and two others.

ns1.rsm-com.de and ns2.rsm-com.de both carry two IP addresses. The A records for ns1.rsm-com.de are 188.245.66.37 and 2a01:4f8:c2c:328e::1; the A records for ns2.rsm-com.de are 65.108.54.67 and 2a01:4f9:c012:f3e0::1.

Mail Servers

grenz-tec.de has one mail server: mail01.rsm-com.de.

grenz-tec.de shares the same mail server setup as other domains, including friedrichlechner.de, zahnarztpraxis-ehingen.de, zumdrucksach.de and two others.

The host mail01.rsm-com.de resolves to 188.245.66.41 and 2a01:4f8:1c1b:a58e::1 — two IP addresses.