21connect.de - robtex.com

21connect.de

DNSSEC🔒 Signed (DS record present)
A2a02:2350:5:10e:fc:ee55:eb5e:bece🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.215.31🇩🇰 ONECOM46.30.208.0/21 One.com A/S
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXmx1.pub.mailpod12-cph3.one.com ⭐
A104.37.34.246🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx1.pub.mailpod12-cph3.one.com
MXmx2.pub.mailpod12-cph3.one.com ⭐
A104.37.34.247🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx2.pub.mailpod12-cph3.one.com
MXmx3.pub.mailpod12-cph3.one.com ⭐
A104.37.34.248🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx3.pub.mailpod12-cph3.one.com
MXmx4.pub.mailpod12-cph3.one.com ⭐
A104.37.34.249🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx4.pub.mailpod12-cph3.one.com
SOAns01.one.comhostmaster@one.com 2026-02-23 #1

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=1771291602

Similar names

12connect.com
12connect.nl
concent12.com
connect21.de
connect21.com

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
21connect.dens01.one.com, ns02.one.com-

✅ Authoritative Response

Server: 185.10.11.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2080ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.215.31
AAAA12a02:2350:5:10e:fc:ee55:eb5e:bece
NS2ns01.one.com, ns02.one.com
MX4mx1.pub.mailpod12-cph3.one.com (pri: 10), mx3.pub.mailpod12-cph3.one.com (pri: 10)...
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

21connect.de points to two IPs: 2a02:2350:5:10e:fc:ee55:eb5e:bece and 46.30.215.31.

Other host names, for instance gdrive.ch, powermetal.dk, jso.dk, uwgsm.be and imagehack.org share IP numbers with 21connect.de.

Name Servers

Two name servers ns01.one.com and ns02.one.com are delegated to 21connect.de.

21connect.de uses the same name server configuration as other domains, such as sub-torp.com, engnear.com, hejll.com, gerdin.se and felicia.digital.

21connect.de shares some name servers with other domains, for example gudiksen.com.

Host names with two IPs:

ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10.

ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

21connect.de is handled by four mail servers: mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com, mx3.pub.mailpod12-cph3.one.com and mx4.pub.mailpod12-cph3.one.com.

21connect.de shares mail servers with other domains at least in part, for instance gaines.se, cassus.net, linkwith.se, allmall.dk and aylas.se.

Host names with one IP number:

mx1.pub.mailpod12-cph3.one.com points to: 104.37.34.246

mx2.pub.mailpod12-cph3.one.com points to: 104.37.34.247

mx3.pub.mailpod12-cph3.one.com points to: 104.37.34.248

mx4.pub.mailpod12-cph3.one.com points to: 104.37.34.249