einstein-rs.de - robtex.com

einstein-rs.de

DNSSEC⚠️ Not signed
A142.132.248.115🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRmail.ulm.schule
NShydrogen.ns.hetzner.com ⭐
A2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRhydrogen.ns.hetzner.com
A213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRhydrogen.ns.hetzner.com
NShelium.ns.hetzner.de
A2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRhelium.ns.hetzner.de
A193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRhelium.ns.hetzner.de
NSoxygen.ns.hetzner.com
A2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRoxygen.ns.hetzner.com
A88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRoxygen.ns.hetzner.com
MXmail.ulm.schule ⭐
A142.132.248.115🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRmail.ulm.schule
MXmail.einstein-rs.de(10)
A142.132.248.115🇩🇪 Hetzner142.132.128.0/17 HETZNER-DC
PTRmail.ulm.schule
TXTv=spf1 a mx a:mail.ulm.schule. ~all
SOAhydrogen.ns.hetzner.comdns@hetzner.com 2026-03-12 #15

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=1775165671

Subdomains

www.einstein-rs.de
mail.einstein-rs.de

Same first word

einstein-rs.de

Similar names

tennis-rise.com

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NShelium.ns.hetzner.dehydrogen.ns.hetzner.comoxygen.ns.hetzner.comns.second-ns.comns1.einstein-rs.dens1.first-ns.dens1.swu.dens1.your-server.dens2.einstein-rs.dens2.swu.dens3.second-ns.dens3.swu.dens4.swu.derobotns2.second-ns.derobotns3.second-ns.comMXmail.einstein-rs.demail.ulm.schulemxrelay.swu.demxrelay1.swu.deA142.132.248.115109.235.230.244
●NShelium.ns.hetzner.de2026-03-27 → 2026-04-02 · 3 obs
○ 2026-03-06 14:18:22
● 2026-03-27 18:08:46
● 2026-04-02 21:52:44
●NShydrogen.ns.hetzner.com2026-03-27 → 2026-04-02 · 3 obs
○ 2026-03-06 14:18:22
● 2026-03-27 18:08:46
● 2026-04-02 21:52:44
○NSns.second-ns.com2026-03-06 → 2026-04-02 · 2 obs
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns1.einstein-rs.de2026-03-06 → 2026-04-02 · 2 obs
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns1.first-ns.de2026-03-06 → 2026-03-06 · 4 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
○ 2026-03-27 18:08:46
○ 2026-04-02 21:52:44
○NSns1.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns1.your-server.de2026-03-06 → 2026-04-02 · 2 obs
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns2.einstein-rs.de2026-03-06 → 2026-04-02 · 2 obs
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns2.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns3.second-ns.de2026-03-06 → 2026-04-02 · 2 obs
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns3.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○NSns4.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
●NSoxygen.ns.hetzner.com2026-03-27 → 2026-04-02 · 3 obs
○ 2026-03-06 14:18:22
● 2026-03-27 18:08:46
● 2026-04-02 21:52:44
○NSrobotns2.second-ns.de2026-03-06 → 2026-03-06 · 4 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
○ 2026-03-27 18:08:46
○ 2026-04-02 21:52:44
○NSrobotns3.second-ns.com2026-03-06 → 2026-03-06 · 4 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
○ 2026-03-27 18:08:46
○ 2026-04-02 21:52:44
●MXmail.einstein-rs.de2026-03-06 → 2026-04-02 · 3 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
● 2026-04-02 21:52:44
●MXmail.ulm.schule2026-03-06 → 2026-04-02 · 3 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
● 2026-04-02 21:52:44
○MXmxrelay.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○MXmxrelay1.swu.de2015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
○A109.235.230.2442015-05-23 → 2017-01-05 · 4 obs
● 2015-05-23 15:56:50
● 2017-01-05 16:00:10
○ 2026-03-06 14:18:22
○ 2026-04-02 21:52:44
●A142.132.248.1152026-03-06 → 2026-04-02 · 3 obs
○ 2017-01-05 16:00:10
● 2026-03-06 14:18:22
● 2026-04-02 21:52:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, f.nic.de, a.nic.de-
einstein-rs.dehelium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com-

✅ Authoritative Response

Server:193.47.99.5

NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for einstein-rs.de (unsigned zone)

⏱️ Timing

Total: 1466ms | Queries: -

📄 Records

TypeCountSample Data
A1142.132.248.115
NS3hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com...
MX2mail.ulm.schule (pri: 5), mail.einstein-rs.de (pri: 10)
TXT1v=spf1 a mx a:mail.ulm.schule. ~all
SOA1hydrogen.ns.hetzner.com dns.hetzner.com

Analysis

Hierarchy

einstein-rs.de is parent of www.einstein-rs.de and mail.einstein-rs.de.

IP Addresses

einstein-rs.de resolves to a single IP address: 142.132.248.115.

Other host names including mail.uve-ulm.de, humboldt-ulm.de, fss-ulm.de, shs.schule.ulm.de and mail.humboldt-ulm.de share IP numbers with einstein-rs.de.

Name Servers

einstein-rs.de is delegated to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.

einstein-rs.de at least partially shares name servers with other domains, including a10.at, bondar.de, skateboardesa.org, claimsplanet.com and scentis.ro.

these name servers are commonly used together with ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.

Host names with two IP numbers:

hydrogen.ns.hetzner.com points to: 2a01:4f8:0:1::add:1098 and 213.133.100.98

oxygen.ns.hetzner.com points to: 2a01:4f8:0:1::add:2992 and 88.198.229.192

helium.ns.hetzner.de points to: 2001:67c:192c::add:5 and 193.47.99.5

Mail Servers

einstein-rs.de is handled by two mail servers: mail.einstein-rs.de and mail.ulm.schule.

einstein-rs.de shares some mail servers with other domains, for instance schubart-gymnasium.eu, uve-ulm.de, ulm.schule and humboldt-ulm.de.

these mail servers are commonly used alongside the mail servers mail.schubart-gymnasium.eu.

Host names with a single IP:

- mail.einstein-rs.de points to 142.132.248.115

- mail.ulm.schule points to 142.132.248.115

Host names that point to 142.132.248.115: mail.einstein-rs.de and mail.ulm.schule