rvsac.org - robtex.com
rvsac.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.1.34🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | hera.krystal.co.uk | ||||||
| NS | ns1.krystal.uk ⭐ | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.uk | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| MX | mx1.krystal.co.uk ⭐ | ||||||
| A | 185.53.56.44🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| A | 185.53.56.46🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx1.strikemail.co.uk | ||||||
| MX | mx2.krystal.co.uk(20) | ||||||
| A | 185.53.56.45🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| A | 185.53.56.47🇬🇧 KRYSTAL185.53.56.0/22 | ||||||
| PTR | mx2.strikemail.co.uk | ||||||
| TXT | v=spf1 include:relay.k.io ip4:77.72.1.34 a mx ~all | ||||||
| SOA | ns1.krystal.ukadmin@k-validator-hera.krystal.co.uk 2026-04-25 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777359889 | ||||||
Same first word
rvsac.org |
rvsac.blogspot.mx |
Similar names
DNS History
10 records (5 active, 5 former)
○NSns.hosteurope.com2015-06-26 → 2017-04-10 · 4 obs
● 2017-04-10 21:05:48
○ 2026-03-26 12:49:46
○ 2026-04-28 07:28:36
●NSns1.krystal.uk2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 12:49:46
● 2026-04-28 07:28:36
○NSns2.hosteurope.com2015-06-26 → 2017-04-10 · 4 obs
● 2017-04-10 21:05:48
○ 2026-03-26 12:49:46
○ 2026-04-28 07:28:36
●NSns2.krystal.uk2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 12:49:46
● 2026-04-28 07:28:36
○MXmx0.123-reg.co.uk2015-06-26 → 2017-04-10 · 4 obs
● 2017-04-10 21:05:48
○ 2026-03-26 12:49:46
○ 2026-04-28 07:28:36
○MXmx1.123-reg.co.uk2015-06-26 → 2017-04-10 · 4 obs
● 2017-04-10 21:05:48
○ 2026-03-26 12:49:46
○ 2026-04-28 07:28:36
●MXmx1.krystal.co.uk2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 12:49:46
● 2026-04-28 07:28:36
●MXmx2.krystal.co.uk2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 12:49:46
● 2026-04-28 07:28:36
●A77.72.1.342026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 12:49:46
● 2026-04-28 07:28:36
○A94.136.40.822015-06-26 → 2017-04-10 · 4 obs
● 2017-04-10 21:05:48
○ 2026-03-26 12:49:46
○ 2026-04-28 07:28:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| rvsac.org | ns1.krystal.uk, ns2.krystal.uk | - |
✅ Authoritative Response
Server:77.72.0.11
NS records: ns1.krystal.uk, ns2.krystal.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rvsac.org (unsigned zone)
⏱️ Timing
Total: 804ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.72.1.34 |
| NS | 2 | ns1.krystal.uk, ns2.krystal.uk |
| MX | 2 | mx2.krystal.co.uk (pri: 20), mx1.krystal.co.uk (pri: 10) |
| TXT | 1 | v=spf1 include:relay.k.io ip4:77.72.1.34 |
| SOA | 1 | ns1.krystal.uk admin.k-validator-hera.kr |
Analysis
IP Addresses
rvsac.org points to a single IP address: 77.72.1.34.
Other host names such as ardchattan.org.uk, www.accent-mr.com, studenthub.school, alphalimited.co.uk and damienshaw.com share IP numbers with rvsac.org.
Name Servers
rvsac.org is delegated to two name servers: ns1.krystal.uk and ns2.krystal.uk.
rvsac.org uses the same name server setup as other domains, including fireworks.co.uk, glendasheart.com, minimise.org, geekguy.co.uk and neogeo.org.uk.
At least part of the name servers for rvsac.org are shared with other domains, for instance vceverywhere.co.uk, cyclefriendlyhotels.com, epleisure.com, kelloy.com and maidstonequakers.org.uk.
these name servers are commonly used with the name servers ns2.krystal.co.uk, ns1.krystal.co.uk, ns1.krystal.io, ns2.krystal.io, ns3.krystal.io, ns4.krystal.io, ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk and ns2.cloudhosting.co.uk.
Hostnames with a single IP
ns1.krystal.uk resolves to: 77.72.0.11.
ns2.krystal.uk resolves to: 139.162.230.184.
Mail Servers
rvsac.org is handled by two mail servers: mx1.krystal.co.uk and mx2.krystal.co.uk.
rvsac.org uses the same mail server setup as other domains, for instance stonetilemarket.co.uk, apostille.org.uk, wivey.co.uk, srvwire.net and cjsinclairltd.co.uk.
rvsac.org shares at least some mail servers with other domains, for example nodedetect.com, uknumberplates.co.uk, bryanschai.com, rowleymanor.com and grafixolutions.com.
These mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Host names with two IP numbers:
mx1.krystal.co.uk points to 185.53.56.44 and 185.53.56.46.
mx2.krystal.co.uk points to 185.53.56.45 and 185.53.56.47.