kroell.org - robtex.com

kroell.org

DNSSEC⚠️ Not signed
A91.24.29.163🇩🇪 DTAG91.0.0.0/10 Deutsche Telekom AG, Internet service provider
NSshades04.rzone.de
A2607:f1c0:fe:53:185:132:34:131🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades04.rzone.de
A185.132.34.131🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades04.rzone.de
NSdocks02.rzone.de
A2001:8d8:fe:53:5747:2a74:d:2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks02.rzone.de
A217.160.80.129🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks02.rzone.de
MXmx001.van-duelmen.net
A94.135.230.151🇩🇪 VERSATEL94.134.0.0/15 Versatel Deutschland
PTRmx001.van-duelmen.net
MXmail.kroell.org(20)
A91.24.29.163🇩🇪 DTAG91.0.0.0/10 Deutsche Telekom AG, Internet service provider
TXTv=spf1 a:mail.kroell.org a:mx001.van-duelmen.net ~all
SOAshades04.rzone.dehostmaster@strato-rz.de serial=2020055191

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785735821

Previously MX for

Subdomains

Same first word

Similar names

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSdocks02.rzone.deshades04.rzone.dens1.7cloudcomputing.comns2.7cloudcomputing.comMXmail.kroell.orgmx001.van-duelmen.netkroell.orgA91.24.29.163143.95.78.264.247.190.61
NSdocks02.rzone.de2026-07-01 → 2026-08-03 · 3 obs
○ 2017-04-08 20:53:34
● 2026-07-01 10:42:22
● 2026-08-03 06:04:58
NSns1.7cloudcomputing.com2015-07-02 → 2017-04-08 · 4 obs
● 2015-07-02 00:37:44
● 2017-04-08 20:53:34
○ 2026-07-01 10:42:22
○ 2026-08-03 06:04:58
NSns2.7cloudcomputing.com2015-07-02 → 2017-04-08 · 4 obs
● 2015-07-02 00:37:44
● 2017-04-08 20:53:34
○ 2026-07-01 10:42:22
○ 2026-08-03 06:04:58
NSshades04.rzone.de2026-07-01 → 2026-08-03 · 3 obs
○ 2017-04-08 20:53:34
● 2026-07-01 10:42:22
● 2026-08-03 06:04:58
MXkroell.org2015-07-02 → 2017-04-08 · 4 obs
● 2015-07-02 00:37:44
● 2017-04-08 20:53:34
○ 2026-07-01 10:42:22
○ 2026-08-03 06:04:58
MXmail.kroell.org2026-07-01 → 2026-08-03 · 3 obs
○ 2017-04-08 20:53:34
● 2026-07-01 10:42:22
● 2026-08-03 06:04:58
MXmx001.van-duelmen.net2026-07-01 → 2026-08-03 · 3 obs
○ 2017-04-08 20:53:34
● 2026-07-01 10:42:22
● 2026-08-03 06:04:58
A143.95.78.22015-07-02 → 2016-06-23 · 4 obs
● 2015-07-02 00:37:44
● 2016-06-23 04:55:56
○ 2017-04-08 20:53:34
○ 2026-08-03 06:04:58
A64.247.190.612017-04-08 → 2017-04-08 · 4 obs
○ 2016-06-23 04:55:56
● 2017-04-08 20:53:34
○ 2026-07-01 10:42:22
○ 2026-08-03 06:04:58
A91.24.29.1632026-07-01 → 2026-08-03 · 3 obs
○ 2017-04-08 20:53:34
● 2026-07-01 10:42:22
● 2026-08-03 06:04:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
kroell.orgdocks02.rzone.de, shades04.rzone.de-

✅ Authoritative Response

Server:217.160.80.129

NS records: docks02.rzone.de, shades04.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kroell.org (unsigned zone)

⏱️ Timing

Total: 1402ms | Queries: -

📄 Records

TypeCountSample Data
A191.24.29.163
NS2shades04.rzone.de, docks02.rzone.de
MX2mail.kroell.org (pri: 20), mx001.van-duelmen.net (pri: 10)
TXT1v=spf1 a:mail.kroell.org a:mx001.van-due
SOA1shades04.rzone.de hostmaster.strato-rz.d

Analysis

Hierarchy

The domain mail.kroell.org falls under the parent kroell.org.

IP Addresses

kroell.org has exactly one IP address — 91.24.29.163.

Among the host names that share IP numbers with kroell.org is mail.kroell.org, as one example.

Name Servers

The NS records for kroell.org delegate to docks02.rzone.de and shades04.rzone.de.

The name server configuration of kroell.org is shared with other domains, for instance speedrollen.net, gtinvest.de, intercalaris.com and two others.

At least some of kroell.org's name servers are shared with other domains, for example t-schittek.de, pengda.de, 1gm.de and two more.

These name servers tend to co-occur with shades10.rzone.de, docks03.rzone.de, docks11.rzone.de and 7 other name servers in the same DNS delegations.

docks02.rzone.de resolves to 217.160.80.129 and 2001:8d8:fe:53:5747:2a74:d:2. Likewise, shades04.rzone.de resolves to 185.132.34.131 and 2607:f1c0:fe:53:185:132:34:131 — two IP addresses apiece.

Mail Servers

kroell.org uses two mail servers, mx001.van-duelmen.net and mail.kroell.org.

kroell.org overlaps on mail servers with certain other domains, van-duelmen.net among them.

These mail servers tend to be used in conjunction with the mail servers mx010.van-duelmen.net.

Each of mx001.van-duelmen.net and mail.kroell.org has one IP address: mx001.van-duelmen.net uses 94.135.230.151 and mail.kroell.org uses 91.24.29.163.