holroyd.net - robtex.com
holroyd.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.72.2.125🇬🇧 KRYSTAL77.72.2.0/24 | ||||||
| PTR | p125.lon.krystal.io | ||||||
| NS | ns1.krystal.uk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns1.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 77.72.0.11🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd | ||||||
| PTR | ns1.krystal.uk | ||||||
| NS | ns2.krystal.co.uk ⚠️ Not in zone NS records | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| NS | ns2.krystal.uk ⚠️ Not in parent delegation | ||||||
| A | 139.162.230.184🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies | ||||||
| PTR | ns2.krystal.uk | ||||||
| MX | mx1.krystal.io ⭐ | ||||||
| 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.io(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 ip4:185.194.90.8 ip4:77.72.2.125 include:relay.k.io a mx include:spf.s... | ||||||
| SOA | ns1.krystal.ukadmin@demo.p125.lon.krystal.io 2026-07-30 #0 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785692602 | ||||||
Same first word
holroyd.info |
holroyd.net |
holroyd.de |
holroyd.me |
holroyd.org |
holroyd.us |
holroyd.me.uk |
holroyd.co.uk |
holroyd.com |
Similar names
DNS History
16 records (7 active, 9 former)
●NSns1.krystal.co.uk2020-04-01 → 2026-08-02 · 3 obs
● 2020-04-01 22:06:34
● 2026-08-02 18:09:18
●NSns1.krystal.uk2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 15:49:48
● 2026-08-02 18:09:18
○NSns1.livedns.co.uk2007-09-15 → 2017-03-28 · 4 obs
● 2017-03-28 18:29:26
○ 2020-04-01 22:06:34
○ 2026-08-02 18:09:18
●NSns2.krystal.co.uk2020-04-01 → 2026-08-02 · 3 obs
● 2020-04-01 22:06:34
● 2026-08-02 18:09:18
●NSns2.krystal.uk2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 15:49:48
● 2026-08-02 18:09:18
○NSns2.livedns.co.uk2007-09-15 → 2017-03-28 · 4 obs
● 2017-03-28 18:29:26
○ 2020-04-01 22:06:34
○ 2026-08-02 18:09:18
○NSns3.livedns.co.uk2007-09-15 → 2017-03-28 · 4 obs
● 2017-03-28 18:29:26
○ 2020-04-01 22:06:34
○ 2026-08-02 18:09:18
○MXmailserver.holroyd.net2007-09-15 → 2017-03-28 · 4 obs
● 2017-03-28 18:29:26
○ 2020-04-01 22:06:34
○ 2026-08-02 18:09:18
○MXmx1.krystal.co.uk2020-04-01 → 2020-04-01 · 4 obs
● 2020-04-01 22:06:34
○ 2026-02-18 15:49:48
○ 2026-08-02 18:09:18
●MXmx1.krystal.io2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 15:49:48
● 2026-08-02 18:09:18
○MXmx2.krystal.co.uk2020-04-01 → 2020-04-01 · 4 obs
● 2020-04-01 22:06:34
○ 2026-02-18 15:49:48
○ 2026-08-02 18:09:18
●MXmx2.krystal.io2026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 15:49:48
● 2026-08-02 18:09:18
○A213.171.218.572007-09-15 → 2007-09-15 · 3 obs
○ 2015-07-18 17:59:42
○ 2026-08-02 18:09:18
○A77.72.0.982020-04-01 → 2020-04-01 · 4 obs
● 2020-04-01 22:06:34
○ 2026-02-18 15:49:48
○ 2026-08-02 18:09:18
●A77.72.2.1252026-02-18 → 2026-08-02 · 3 obs
● 2026-02-18 15:49:48
● 2026-08-02 18:09:18
○A88.208.252.1582015-07-18 → 2017-03-28 · 5 obs
● 2015-07-18 17:59:42
● 2017-03-28 18:29:26
○ 2020-04-01 22:06:34
○ 2026-08-02 18:09:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| holroyd.net | ns1.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 holroyd.net (unsigned zone)
⏱️ Timing
Total: 504ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.72.2.125 |
| NS | 2 | ns2.krystal.uk, ns1.krystal.uk |
| MX | 2 | mx2.krystal.io (pri: 20), mx1.krystal.io (pri: 10) |
| TXT | 1 | v=spf1 ip4:185.194.90.8 ip4:77.72.2.125 |
| SOA | 1 | ns1.krystal.uk admin.demo.p125.lon.kryst |
Analysis
IP Addresses
holroyd.net directs to one IP number, which is 77.72.2.125.
Among the host names that share IP numbers with holroyd.net are bigdave44.co.uk, crypticcrosswords.net, hanaonline.org.uk and two others.
Name Servers
The domain holroyd.net is delegated to these four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.
The name servers of holroyd.net overlap at least partially with those of other domains — among them hsfassist.ie, barriemahoney.com, ssquareddigital.com and two more.
These name servers commonly appear in delegations together with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.krystal.io and 4 other.
Each of the host names ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk has one IP address: ns1.krystal.uk resolves to 77.72.0.11, ns2.krystal.uk resolves to 139.162.230.184, ns1.krystal.co.uk resolves to 77.72.0.11 and ns2.krystal.co.uk resolves to 139.162.230.184.
The host names ns1.krystal.uk and ns1.krystal.co.uk both resolve to 77.72.0.11 IP addresses.
The host names ns2.krystal.uk and ns2.krystal.co.uk both resolve to 139.162.230.184 IP addresses.
Mail Servers
The MX records for holroyd.net point to two mail servers: mx1.krystal.io and mx2.krystal.io.
holroyd.net has the same mail server arrangement as a number of other domains, for example ultramash.com, chich.co.uk, leathersofacleaning.co.uk and two more.
holroyd.net has mail servers in common with other domains — prf.me being one example.
Both mx1.krystal.io and mx2.krystal.io have two IP addresses each. mx1.krystal.io resolves to 185.53.56.44 and 185.53.56.46; mx2.krystal.io resolves to 185.53.56.45 and 185.53.56.47.