ruhlgroup.com - robtex.com

ruhlgroup.com

DNSSEC⚠️ Not signed
A2a01:4f8:c17:72e0::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRshetnet01.ruhl-group.de
A88.99.124.169🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC
NSns1.first-ns.de ⭐
A2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.first-ns.de
A213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns1.first-ns.de
NSrobotns2.second-ns.de
A2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRrobotns2.second-ns.de
A213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRrobotns2.second-ns.de
NSrobotns3.second-ns.com
A2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRrobotns3.second-ns.com
A193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRrobotns3.second-ns.com
MXd330260.a.ess.de.barracudanetworks.com ⭐
A18.185.115.250🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
A18.185.115.251🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
A18.185.115.252🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
MXd330260.b.ess.de.barracudanetworks.com(10)
A18.185.115.250🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
A18.185.115.251🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
A18.185.115.252🇩🇪 Amazon18.184.0.0/15 EC2 FRA prefix
PTRmail.ess.de.barracuda.com
TXTMS=B1FCD3E745340AF824DDE6487F4800C2D1B65A61
TXTv=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetwork...
SOAns1.first-ns.dedns@hetzner.com 2026-03-07 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774925857

Subdomains

mail.ruhlgroup.com

Same first word

ruhlgroup.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.first-ns.derobotns2.second-ns.derobotns3.second-ns.comdns.iwelt-ag.netdns2.iwelt-ag.netdns3.iwelt-ag.deMXd330260.a.ess.de.barracudanetworks.comd330260.b.ess.de.barracudanetworks.commail.ruhlgroup.commxa.expurgate.demxa.expurgate.netmxb.expurgate.demxb.expurgate.netA2a01:4f8:c17:72e0::288.99.124.16982.212.215.199
○NSdns.iwelt-ag.net2015-08-06 → 2017-02-12 · 4 obs
● 2015-08-06 23:12:08
● 2017-02-12 11:10:58
○ 2020-01-04 06:19:18
○ 2026-03-31 03:01:50
○NSdns2.iwelt-ag.net2015-08-06 → 2017-02-12 · 4 obs
● 2015-08-06 23:12:08
● 2017-02-12 11:10:58
○ 2020-01-04 06:19:18
○ 2026-03-31 03:01:50
○NSdns3.iwelt-ag.de2015-08-06 → 2017-02-12 · 4 obs
● 2015-08-06 23:12:08
● 2017-02-12 11:10:58
○ 2020-01-04 06:19:18
○ 2026-03-31 03:01:50
●NSns1.first-ns.de2020-01-04 → 2026-03-31 · 3 obs
○ 2017-02-12 11:10:58
● 2020-01-04 06:19:18
● 2026-03-31 03:01:50
●NSrobotns2.second-ns.de2020-01-04 → 2026-03-31 · 3 obs
○ 2017-02-12 11:10:58
● 2020-01-04 06:19:18
● 2026-03-31 03:01:50
●NSrobotns3.second-ns.com2020-01-04 → 2026-03-31 · 3 obs
○ 2017-02-12 11:10:58
● 2020-01-04 06:19:18
● 2026-03-31 03:01:50
●MXd330260.a.ess.de.barracudanetworks.com2026-03-30 → 2026-03-31 · 3 obs
○ 2020-01-04 06:19:18
● 2026-03-30 11:56:02
● 2026-03-31 03:01:50
●MXd330260.b.ess.de.barracudanetworks.com2026-03-30 → 2026-03-31 · 3 obs
○ 2020-01-04 06:19:18
● 2026-03-30 11:56:02
● 2026-03-31 03:01:50
○MXmail.ruhlgroup.com2017-02-12 → 2020-01-04 · 5 obs
○ 2016-06-27 11:05:28
● 2017-02-12 11:10:58
● 2020-01-04 06:19:18
○ 2026-03-30 11:56:02
○ 2026-03-31 03:01:50
○MXmxa.expurgate.de2015-08-06 → 2016-06-27 · 4 obs
● 2015-08-06 23:12:08
● 2016-06-27 11:05:28
○ 2017-02-12 11:10:58
○ 2026-03-31 03:01:50
○MXmxa.expurgate.net2015-08-06 → 2016-06-27 · 4 obs
● 2015-08-06 23:12:08
● 2016-06-27 11:05:28
○ 2017-02-12 11:10:58
○ 2026-03-31 03:01:50
○MXmxb.expurgate.de2015-08-06 → 2016-06-27 · 4 obs
● 2015-08-06 23:12:08
● 2016-06-27 11:05:28
○ 2017-02-12 11:10:58
○ 2026-03-31 03:01:50
○MXmxb.expurgate.net2015-08-06 → 2016-06-27 · 4 obs
● 2015-08-06 23:12:08
● 2016-06-27 11:05:28
○ 2017-02-12 11:10:58
○ 2026-03-31 03:01:50
●A2a01:4f8:c17:72e0::22017-02-12 → 2026-03-31 · 3 obs
○ 2016-06-27 11:05:28
● 2017-02-12 11:10:58
● 2026-03-31 03:01:50
○A82.212.215.1992015-08-06 → 2016-06-27 · 4 obs
● 2015-08-06 23:12:08
● 2016-06-27 11:05:28
○ 2017-02-12 11:10:58
○ 2026-03-31 03:01:50
●A88.99.124.1692017-02-12 → 2026-03-31 · 3 obs
○ 2016-06-27 11:05:28
● 2017-02-12 11:10:58
● 2026-03-31 03:01:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
ruhlgroup.comns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com2 records

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ruhlgroup.com (unsigned zone)

⏱️ Timing

Total: 1831ms | Queries: -

📄 Records

TypeCountSample Data
A188.99.124.169
AAAA12a01:4f8:c17:72e0::2
NS3robotns3.second-ns.com, robotns2.second-ns.de...
MX2d330260.a.ess.de.barracudanetworks.com (, d330260.b.ess.de.barracudanetworks.com (
TXT2MS=B1FCD3E745340AF824DDE6487F4800C2D1B65, v=spf1 include:spf.protection.outlook.co
SOA1ns1.first-ns.de dns.hetzner.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)

Analysis

Hierarchy

ruhlgroup.com is parent of mail.ruhlgroup.com.

IP Addresses

ruhlgroup.com points to two IP numbers: 2a01:4f8:c17:72e0::2 and 88.99.124.169.

Other host names such as ruhl-group.com, ruhl-group.de, ruform.com and shetnet01.ruhl-group.de share IP numbers with ruhlgroup.com.

Name Servers

ruhlgroup.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.

ruhlgroup.com at least partially shares its name servers with other domains, for instance kfz-werkzeughandel.de, kampanel.hr, materialefficiency.com, lotinternet.de and fallschirmspringen-wien.at.

Host names with two IP numbers:

robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.

ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.

robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.

Mail Servers

Two mail servers d330260.a.ess.de.barracudanetworks.com and d330260.b.ess.de.barracudanetworks.com handle ruhlgroup.com.

Host names with three IP numbers

Host d330260.a.ess.de.barracudanetworks.com points to 18.185.115.250, 18.185.115.251 and 18.185.115.252

Host d330260.b.ess.de.barracudanetworks.com points to 18.185.115.250, 18.185.115.251 and 18.185.115.252

Host names that point to 18.185.115.250: d330260.a.ess.de.barracudanetworks.com and d330260.b.ess.de.barracudanetworks.com

Host names that point to 18.185.115.251: d330260.a.ess.de.barracudanetworks.com and d330260.b.ess.de.barracudanetworks.com

Host names that point to 18.185.115.252: d330260.a.ess.de.barracudanetworks.com and d330260.b.ess.de.barracudanetworks.com