avfc.uk - robtex.com

avfc.uk

DNSSEC⚠️ Not signed
A77.72.2.151🇬🇧 KRYSTAL77.72.2.0/24
PTRp151.lon.krystal.io
NSns1.krystal.uk ⭐ ⚠️ Not in parent delegation
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns1.krystal.io ⚠️ Not in zone NS records
A77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd
PTRns1.krystal.uk
NSns2.krystal.io ⚠️ 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
NSns3krystal.io ⚠️ Not in zone NS records
NSns4.krystal.io ⚠️ Not in zone NS records
A139.162.254.53🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies
PTRns2.cloudhosting.co.uk
MXmx1.krystal.io
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.io(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 +a +mx +ip4:77.72.2.151 ~all
SOAns1.krystal.ukadmin@demo.p151.lon.krystal.io 2026-06-14 #0

uk

DNSSEC🔒 Signed (DS record present)
NSdns1.nic.uk
NSdns2.nic.uk
NSdns3.nic.uk
NSdns4.nic.uk
NSnsa.nic.uk
NSnsb.nic.uk
NSnsc.nic.uk
NSnsd.nic.uk
SOAdns1.nic.ukhostmaster@nic.uk serial=1783762575

Same first word

Similar names

DNS History

14 records (9 active, 5 former)

NSns1.krystal.ions1.krystal.ukns2.krystal.ions2.krystal.ukns3krystal.ions4.krystal.iolaunch1.spaceship.netlaunch2.spaceship.netMXmx1.krystal.iomx2.krystal.iomx1.spacemail.commx2.spacemail.comA77.72.2.15115.197.162.184
NSlaunch1.spaceship.net2026-05-20 → 2026-06-07 · 4 obs
● 2026-05-20 12:13:12
● 2026-06-07 15:17:04
○ 2026-06-19 12:11:40
○ 2026-07-11 10:07:48
NSlaunch2.spaceship.net2026-05-20 → 2026-06-07 · 4 obs
● 2026-05-20 12:13:12
● 2026-06-07 15:17:04
○ 2026-06-19 12:11:40
○ 2026-07-11 10:07:48
NSns1.krystal.io2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
NSns1.krystal.uk2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
NSns2.krystal.io2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
NSns2.krystal.uk2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
NSns3krystal.io2026-06-19 → 2026-07-11 · 5 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
○ 2026-07-10 11:22:10
● 2026-07-11 10:07:46
● 2026-07-11 10:07:48
NSns4.krystal.io2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
MXmx1.krystal.io2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
MXmx1.spacemail.com2026-05-20 → 2026-06-07 · 4 obs
● 2026-05-20 12:13:12
● 2026-06-07 15:17:04
○ 2026-06-19 12:11:40
○ 2026-07-11 10:07:48
MXmx2.krystal.io2026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48
MXmx2.spacemail.com2026-05-20 → 2026-06-07 · 4 obs
● 2026-05-20 12:13:12
● 2026-06-07 15:17:04
○ 2026-06-19 12:11:40
○ 2026-07-11 10:07:48
A15.197.162.1842026-05-20 → 2026-06-07 · 4 obs
● 2026-05-20 12:13:12
● 2026-06-07 15:17:04
○ 2026-06-19 12:11:40
○ 2026-07-11 10:07:48
A77.72.2.1512026-06-19 → 2026-07-11 · 3 obs
○ 2026-06-07 15:17:04
● 2026-06-19 12:11:40
● 2026-07-11 10:07:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, dns4.nic.uk...-
avfc.ukns4.krystal.io, ns3krystal.io, ns1.krystal.io, ns2.krystal.io-

✅ Authoritative Response

Server:139.162.254.53

NS records: ns4.krystal.io, ns3krystal.io, ns1.krystal.io, ns2.krystal.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for avfc.uk (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

TypeCountSample Data
A177.72.2.151
NS2ns2.krystal.uk, ns1.krystal.uk
MX2mx1.krystal.io (pri: 10), mx2.krystal.io (pri: 20)
TXT1v=spf1 +a +mx +ip4:77.72.2.151 ~all
SOA1ns1.krystal.uk admin.demo.p151.lon.kryst

Analysis

IP Addresses

avfc.uk has exactly one IP address — 77.72.2.151.

ajhenningjoinery.co.uk, simprograms.com, ryanwilliams.co.uk plus two other host names have IP numbers in common with avfc.uk.

Name Servers

avfc.uk is delegated to 6 name servers: ns3krystal.io, ns1.krystal.io, ns2.krystal.io and 3 other.

avfc.uk partially shares its NS delegation with several other domains, including splatcat.net, aquaflux.co.uk, micahmathews.co.uk and two others.

In DNS configurations, these name servers often share authority with ns1.krystal.uk, ns2.krystal.uk, ns4.krystal.io and 7 other name servers.

Host names resolving to a single IP address:

ns1.krystal.io points to 77.72.0.11.

ns2.krystal.io points to 139.162.230.184.

ns4.krystal.io points to 139.162.254.53.

ns1.krystal.uk points to 77.72.0.11.

ns2.krystal.uk points to 139.162.230.184.

ns1.krystal.io and ns1.krystal.uk are host names that each point to 77.72.0.11 IP addresses.

ns2.krystal.io and ns2.krystal.uk are host names that each point to 139.162.230.184 IP addresses.

Mail Servers

avfc.uk uses two mail servers, mx1.krystal.io and mx2.krystal.io.

The mail server setup of avfc.uk matches that of other domains such as stakedamsels.com, the-bachelors.net, carboair.com and two others.

mx1.krystal.io and mx2.krystal.io each resolve to two IP addresses: mx1.krystal.io points to 185.53.56.44 and 185.53.56.46, while mx2.krystal.io points to 185.53.56.45 and 185.53.56.47.