sefour.com - robtex.com

sefour.com

DNSSEC⚠️ Not signed
A185.194.90.5🇬🇧 KRYSTAL185.194.88.0/22
PTRgohan-lon.krystal.uk
NSns1.krystal.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.cloudhosting.co.uk ⚠️ Not in zone NS records
A77.72.0.13🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.cloudhosting.co.uk
NSns2.cloudhosting.co.uk ⚠️ Not in zone NS records
A139.162.254.53🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.cloudhosting.co.uk
NSns2.krystal.uk ⚠️ Not in parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
MXmx1.krystal.uk ⭐
A185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
A185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22
PTRmx1.strikemail.co.uk
MXmx2.krystal.uk(20)
A185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
A185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22
PTRmx2.strikemail.co.uk
TXTv=spf1 ip4:185.194.90.5 include:relay.k.io ip4:77.72.0.174 ip4:158.255.45.14 ...
TXT_globalsign-domain-verification=njIQOvH3rpDI6ec5uQSmJRCg-Xnu_IBlfXLD1vAQZ7
TXTglobalsign-domain-verification=NZAJn2zWBG4dlxnL4RvyodsNgZBIjb-yR7Q_mrTpU0
SOAns1.krystal.ukadmin@k-validator-gohan-lon.krystal.uk 2026-04-11 #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=1776005177

Previously MX for

sefour.com

Same first word

sefour.it
sefour.be
sefour.ch
sefour.gr
sefour.cz
sefour.jp
sefour.net
sefour.com
sefour.ru

Similar names

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foures.jp
foruse.at
foures.de
sefrou.com
ofsure.com
erofus.online
fourse.ir
orfeus.ch
orfeus.nl
surfeo.info
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foruse.nl
fusero.com
foreus.cn
sroufe.com
soferu.eu
soferu.net
foruse.de
uesfor.com.br
surfeo.fr
fueros.com
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orfeus.eu
orfeus.com.tr
serufo.com
soufer.com.br
usefor.cn
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userof.com
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foruse.com
sefuro.ro
foures.maison
orfeus.be
soferu.info
eforus.com
orfeus.org
foreus.org
fusero.it
refuso.com
soferu.com
fourse.net
foruse.info
fourse.com.br
foures.fr
soferu.de
foures.eu
esfour.com
sofure.fi
soferu.ch
refuso.net
oferus.pl
uforse.com
serfuo.com
foreus.com
orfeus.ru

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.cloudhosting.co.ukns1.krystal.ukns2.cloudhosting.co.ukns2.krystal.ukns64.eukdns.comns65.eukdns.comMXmx1.krystal.ukmx2.krystal.ukmx1.cloudhosting.co.ukmx2.cloudhosting.co.uksefour.comA185.194.90.55.77.52.20577.72.0.174
●NSns1.cloudhosting.co.uk2020-02-09 → 2026-04-12 · 3 obs
○ 2017-03-20 04:59:26
● 2020-02-09 09:37:42
● 2026-04-12 14:48:54
●NSns1.krystal.uk2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-09 09:37:42
● 2026-04-09 12:20:44
● 2026-04-12 14:48:54
●NSns2.cloudhosting.co.uk2020-02-09 → 2026-04-12 · 3 obs
○ 2017-03-20 04:59:26
● 2020-02-09 09:37:42
● 2026-04-12 14:48:54
●NSns2.krystal.uk2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-09 09:37:42
● 2026-04-09 12:20:44
● 2026-04-12 14:48:54
○NSns64.eukdns.com2015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 13:21:20
● 2017-03-20 04:59:26
○ 2020-02-09 09:37:42
○ 2026-04-12 14:48:54
○NSns65.eukdns.com2015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 13:21:20
● 2017-03-20 04:59:26
○ 2020-02-09 09:37:42
○ 2026-04-12 14:48:54
○MXmx1.cloudhosting.co.uk2020-02-09 → 2020-02-09 · 4 obs
○ 2017-03-20 04:59:26
● 2020-02-09 09:37:42
○ 2026-04-09 12:20:44
○ 2026-04-12 14:48:54
●MXmx1.krystal.uk2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-09 09:37:42
● 2026-04-09 12:20:44
● 2026-04-12 14:48:54
○MXmx2.cloudhosting.co.uk2020-02-09 → 2020-02-09 · 4 obs
○ 2017-03-20 04:59:26
● 2020-02-09 09:37:42
○ 2026-04-09 12:20:44
○ 2026-04-12 14:48:54
●MXmx2.krystal.uk2026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-09 09:37:42
● 2026-04-09 12:20:44
● 2026-04-12 14:48:54
○MXsefour.com2015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 13:21:20
● 2017-03-20 04:59:26
○ 2020-02-09 09:37:42
○ 2026-04-12 14:48:54
●A185.194.90.52026-04-09 → 2026-04-12 · 3 obs
○ 2020-02-09 09:37:42
● 2026-04-09 12:20:44
● 2026-04-12 14:48:54
○A5.77.52.2052015-07-02 → 2017-03-20 · 4 obs
● 2015-07-02 13:21:20
● 2017-03-20 04:59:26
○ 2020-02-09 09:37:42
○ 2026-04-12 14:48:54
○A77.72.0.1742020-02-09 → 2020-02-09 · 4 obs
○ 2017-03-20 04:59:26
● 2020-02-09 09:37:42
○ 2026-04-09 12:20:44
○ 2026-04-12 14:48:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
sefour.comns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk-

✅ Authoritative Response

Server:139.162.254.53

NS records: ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sefour.com (unsigned zone)

⏱️ Timing

Total: 495ms | Queries: -

📄 Records

TypeCountSample Data
A1185.194.90.5
NS2ns1.krystal.uk, ns2.krystal.uk
MX2mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)
TXT3globalsign-domain-verification=NZAJn2zWB, _globalsign-domain-verification=njIQOvH3...
SOA1ns1.krystal.uk admin.k-validator-gohan-l

Analysis

IP Addresses

sefour.com points to a single IP number: 185.194.90.5.

other host names for instance pm23.com, wasd.co.uk, gtr1000.com, 4ifa.co.uk and motogymkhana.org share IP numbers with sefour.com.

Name Servers

sefour.com is delegated to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.cloudhosting.co.uk and ns2.cloudhosting.co.uk.

sefour.com at least partially shares name servers with other domains, for instance m-industries.de, scotland-holiday-cottage.co.uk, aerospa.co.uk, concrete-grinding.com and plymouthanaesthesia.com.

These name servers are commonly used with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and ns4.krystal.io.

Host names with one IP number:

ns1.krystal.uk points to 77.72.0.11

ns2.krystal.uk points to 139.162.230.184

ns1.cloudhosting.co.uk points to 77.72.0.13

ns2.cloudhosting.co.uk points to 139.162.254.53

Mail Servers

sefour.com is handled by two mail servers: mx1.krystal.uk and mx2.krystal.uk.

sefour.com shares the same mail server setup as other domains, for instance qnet9.com, warspite.org.uk, wakefieldsonline.co.uk, northsomersetandbristolfungusgroup.co.uk and cbps.co.uk.

sefour.com shares mail servers with other domains at least partially, including bloob.co.uk, opendistillery.com, bitaboutbritain.com, thearmchairtrader.com and mickpage.com.

Host names with two IP numbers:

mx1.krystal.uk points to 185.53.56.44 and 185.53.56.46

mx2.krystal.uk points to 185.53.56.45 and 185.53.56.47