system41.co.uk - robtex.com

system41.co.uk

DNSSEC⚠️ Not signed
A213.187.74.109🇩🇪 HLKOMM213.187.64.0/19 HL komm Telekommunikations GmbH
NSns1017.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:5311:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1017.ui-dns.org
A217.160.83.17🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1017.ui-dns.org
NSns1017.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5111:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1017.ui-dns.biz
A217.160.81.17🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1017.ui-dns.biz
NSns1017.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5211:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1017.ui-dns.com
A217.160.82.17🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1017.ui-dns.com
NSns1017.ui-dns.de
A2001:8d8:fe:53:0:d9a0:5011:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1017.ui-dns.de
A217.160.80.17🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1017.ui-dns.de
MXmail2.system41.co.uk ⭐
A49.13.74.222🇩🇪 Hetzner49.13.0.0/16 HETZNER-DC
PTRhz-mailserver.pension-zur-weide.de
TXTv=spf1 a mx ~all
SOAns1017.ui-dns.orghostmaster@1and1.com 2018-07-12 #15

co.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1774654785
rank #171685 globally
rank #13470 in the tld
WOT: SAFE (74/100)

Previously MX for

system41.co.uk

Subdomains

mail2.system41.co.uk
mx.system41.co.uk
mail.system41.co.uk

Same first word

system41.com
system41.de
system41.co.uk
system41.org

Similar names

system14.com

DNS History

14 records (6 active, 8 former)

2008201020122014201620182020202220242026NSns1017.ui-dns.bizns1017.ui-dns.comns1017.ui-dns.dens1017.ui-dns.orgns39.1und1.dens40.1und1.deMXmail2.system41.co.ukmx00.kundenserver.demx01.kundenserver.desystem41.co.ukA213.187.74.109212.227.93.135212.78.97.14882.165.30.202
●NSns1017.ui-dns.biz2019-02-20 → 2026-03-27 · 3 obs
○ 2017-02-13 03:28:02
● 2019-02-20 10:46:22
● 2026-03-27 23:49:08
●NSns1017.ui-dns.com2019-02-20 → 2026-03-27 · 3 obs
○ 2017-02-13 03:28:02
● 2019-02-20 10:46:22
● 2026-03-27 23:49:08
●NSns1017.ui-dns.de2019-02-20 → 2026-03-27 · 3 obs
○ 2017-02-13 03:28:02
● 2019-02-20 10:46:22
● 2026-03-27 23:49:08
●NSns1017.ui-dns.org2019-02-20 → 2026-03-27 · 3 obs
○ 2017-02-13 03:28:02
● 2019-02-20 10:46:22
● 2026-03-27 23:49:08
○NSns39.1und1.de2007-11-13 → 2017-02-13 · 4 obs
● 2007-11-13 18:53:00
● 2017-02-13 03:28:02
○ 2019-02-20 10:46:22
○ 2026-03-27 23:49:08
○NSns40.1und1.de2007-11-13 → 2017-02-13 · 4 obs
● 2007-11-13 18:53:00
● 2017-02-13 03:28:02
○ 2019-02-20 10:46:22
○ 2026-03-27 23:49:08
●MXmail2.system41.co.uk2026-03-27 → 2026-03-27 · 3 obs
○ 2019-02-20 10:46:22
● 2026-03-27 21:50:16
● 2026-03-27 23:49:08
○MXmx00.kundenserver.de2019-02-20 → 2019-02-20 · 4 obs
○ 2007-11-13 18:53:00
● 2019-02-20 10:46:22
○ 2026-03-27 21:50:16
○ 2026-03-27 23:49:08
○MXmx01.kundenserver.de2007-11-13 → 2019-02-20 · 4 obs
● 2007-11-13 18:53:00
● 2019-02-20 10:46:22
○ 2026-03-27 21:50:16
○ 2026-03-27 23:49:08
○MXsystem41.co.uk2007-11-13 → 2019-02-20 · 4 obs
● 2007-11-13 18:53:00
● 2019-02-20 10:46:22
○ 2026-03-27 21:50:16
○ 2026-03-27 23:49:08
○A212.227.93.1352015-08-04 → 2017-02-13 · 5 obs
○ 2007-11-13 18:53:00
● 2015-08-04 00:04:46
● 2017-02-13 03:28:02
○ 2019-02-20 10:46:22
○ 2026-03-27 23:49:08
○A212.78.97.1482019-02-20 → 2019-02-20 · 4 obs
○ 2017-02-13 03:28:02
● 2019-02-20 10:46:22
○ 2026-03-27 21:50:16
○ 2026-03-27 23:49:08
●A213.187.74.1092026-03-27 → 2026-03-27 · 3 obs
○ 2019-02-20 10:46:22
● 2026-03-27 21:50:16
● 2026-03-27 23:49:08
○A82.165.30.2022007-11-13 → 2007-11-13 · 3 obs
● 2007-11-13 18:53:00
○ 2015-08-04 00:04:46
○ 2026-03-27 23:49:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ukdns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk...-
system41.co.ukns1017.ui-dns.de, ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.org-

✅ Authoritative Response

Server:217.160.81.17

NS records: ns1017.ui-dns.de, ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system41.co.uk (unsigned zone)

⏱️ Timing

Total: 791ms | Queries: -

📄 Records

TypeCountSample Data
A1213.187.74.109
NS4ns1017.ui-dns.org, ns1017.ui-dns.de...
MX1mail2.system41.co.uk (pri: 5)
TXT1v=spf1 a mx ~all
SOA1ns1017.ui-dns.org hostmaster.1and1.com

Analysis

Hierarchy

system41.co.uk has mail2.system41.co.uk, mx.system41.co.uk and mail.system41.co.uk as children.

IP Addresses

system41.co.uk points to a single IP address: 213.187.74.109.

Other host names such as mail2.system41.de, u3.system41.de, mx.system41.de, mx.system41.co.uk and mail.system41.co.uk share IPs with system41.co.uk.

Name Servers

system41.co.uk is delegated to four name servers: ns1017.ui-dns.biz, ns1017.ui-dns.com, ns1017.ui-dns.de and ns1017.ui-dns.org.

system41.co.uk at least partially shares name servers with other domains, for example cabape.es, jesusbochs.es, vuance.it, position-alarm.com and intek-online.de.

These name servers are often used with ns1066.ui-dns.org, ns1080.ui-dns.biz, ns1033.ui-dns.de, ns1027.ui-dns.com and ns1120.ui-dns.de.

Host names with two IP numbers:

ns1017.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5111:100 and 217.160.81.17

ns1017.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5211:100 and 217.160.82.17

ns1017.ui-dns.de points to: 2001:8d8:fe:53:0:d9a0:5011:100 and 217.160.80.17

ns1017.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5311:100 and 217.160.83.17

Mail Servers

The mail2.system41.co.uk mail server handles system41.co.uk.

mail2.system41.co.uk points to a single IP number: 49.13.74.222.