vssuk.com - robtex.com

vssuk.com

DNSSEC⚠️ Not signed
A77.72.1.34🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRhera.krystal.co.uk
NSns1.krystal.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.krystal.co.uk ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.krystal.co.uk ⚠️ Not in zone NS records
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
NSns2.krystal.uk ⚠️ Not in parent delegation
A139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.krystal.uk
MXvssuk-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca0b::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A2a01:111:f403:ca0b::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-lo3p265cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca1a::🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca1a::1🇬🇧 Microsoft2a01:111:f000::/36
PTRmail-cwxp265cu00601.inbound.protection.outlook.com
A52.101.89.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo2p265cu02300.inbound.protection.outlook.com
A52.101.89.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-lo3p265cu00302.inbound.protection.outlook.com
A52.101.99.0🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00600.inbound.protection.outlook.com
A52.101.99.2🇬🇧 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-cwxp265cu00502.inbound.protection.outlook.com
TXTv=spf1 include:relay.k.io ip4:77.72.1.34 include:spf.protection.outlook.com a...
TXTMS=ms69787335
SOAns1.krystal.ukadmin@k-validator-hera.krystal.co.uk 2026-04-29 #0

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=1778570291

Subdomains

mail.vssuk.com

Same first word

vssuk.com

Similar names

svsuk.net
ksuvs.cn
ksusv.cz
svkus.com
svsuk.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns1.krystal.co.ukns1.krystal.ukns2.krystal.co.ukns2.krystal.ukns1.mydomain.comns2.mydomain.comMXvssuk-com.mail.protection.outlook.commail.vssuk.comA77.72.1.3466.96.163.163
●NSns1.krystal.co.uk2026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02
●NSns1.krystal.uk2026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02
○NSns1.mydomain.com2015-08-07 → 2017-05-15 · 4 obs
● 2015-08-07 05:41:48
● 2017-05-15 23:05:40
○ 2026-04-05 04:34:52
○ 2026-05-12 07:34:02
●NSns2.krystal.co.uk2026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02
●NSns2.krystal.uk2026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02
○NSns2.mydomain.com2015-08-07 → 2017-05-15 · 4 obs
● 2015-08-07 05:41:48
● 2017-05-15 23:05:40
○ 2026-04-05 04:34:52
○ 2026-05-12 07:34:02
○MXmail.vssuk.com2015-08-07 → 2017-05-15 · 4 obs
● 2015-08-07 05:41:48
● 2017-05-15 23:05:40
○ 2026-04-05 04:34:52
○ 2026-05-12 07:34:02
●MXvssuk-com.mail.protection.outlook.com2026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02
○A66.96.163.1632015-08-07 → 2017-05-15 · 4 obs
● 2015-08-07 05:41:48
● 2017-05-15 23:05:40
○ 2026-04-05 04:34:52
○ 2026-05-12 07:34:02
●A77.72.1.342026-04-05 → 2026-05-12 · 3 obs
○ 2017-05-15 23:05:40
● 2026-04-05 04:34:52
● 2026-05-12 07:34:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
vssuk.comns1.krystal.co.uk, ns2.krystal.co.uk-

✅ Authoritative Response

Server:77.72.0.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vssuk.com (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

TypeCountSample Data
A177.72.1.34
NS2ns1.krystal.uk, ns2.krystal.uk
MX1vssuk-com.mail.protection.outlook.com (p
TXT2v=spf1 include:relay.k.io ip4:77.72.1.34, MS=ms69787335
SOA1ns1.krystal.uk admin.k-validator-hera.kr

Analysis

Hierarchy

vssuk.com is the parent of mail.vssuk.com.

IP Addresses

vssuk.com resolves to one IP number: 77.72.1.34.

other host names including catevents.com, cpanel.european-fog-association.com, kerinewman.com, roughscore.com and nlighten.co.uk share IP numbers with vssuk.com.

Name Servers

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

vssuk.com at least partially shares name servers with other domains, for instance lmkts.com, bascats.org.uk, kgnorman.co.uk, secbuildingservices.co.uk and whitelabelling.net.

These name servers are commonly used alongside ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk, ns2.cloudhosting.co.uk, ns1.uksrv.co.uk and ns2.uksrv.co.uk.

Host names with one IP number:

Host name ns1.krystal.uk points to: 77.72.0.11.

Host name ns2.krystal.uk points to: 139.162.230.184.

Host name ns1.krystal.co.uk points to: 77.72.0.11.

Host name ns2.krystal.co.uk points to: 139.162.230.184.

Host names pointing to 77.72.0.11: ns1.krystal.uk and ns1.krystal.co.uk.

Host names pointing to 139.162.230.184: ns2.krystal.uk and ns2.krystal.co.uk.

Mail Servers

vssuk.com is handled by a single mail server, vssuk-com.mail.protection.outlook.com.

Host vssuk-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.