cal-inst.com - robtex.com
cal-inst.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.41.10.26🇬🇧 SUB6185.41.8.0/22 | ||||||
| PTR | server2.ianfindlay.co.uk | ||||||
| NS | ns1.livedns.co.uk ⭐ | ||||||
| A | 2001:8d8:fe:53:fa::1🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns1.slndns.co.uk | ||||||
| A | 217.160.81.244🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| NS | ns2.livedns.co.uk | ||||||
| A | 2001:8d8:fe:53:fa::2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns2.slndns.co.uk | ||||||
| A | 217.160.82.244🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| NS | ns3.livedns.co.uk | ||||||
| A | 2607:f1c0:fe:53:185:132:35:244🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | ns3.livedns.co.uk | ||||||
| A | 185.132.35.244🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| MX | mx1-eu.emailsecurity.app ⭐ | ||||||
| A | 132.164.188.153🇬🇧 Microsoft132.164.0.0/16 | ||||||
| PTR | mx2-eu.emailsecurity.app | ||||||
| MX | mx2-eu.emailsecurity.app(20) | ||||||
| A | 4.245.183.72🇮🇪 Microsoft4.240.0.0/12 MICROSOFT | ||||||
| PTR | mx1-eu.emailsecurity.app | ||||||
| TXT | JjgxpgGO4EfQItCUuMeKLQCIGc1lsHsRLObepcalALtjwQ7jg0fhBuj/OIjBfXtkK4xt4JNSv98I2... | ||||||
| TXT | MS=ms46840887 | ||||||
| TXT | v=spf1 a:remote.laplacesolutions.com include:spf.cloud.castle-cs.com include:... | ||||||
| SOA | ns1.livedns.co.ukadministrator@cal-inst.com serial=1552038341 | ||||||
com
| 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=1785178527 | ||||||
Same first word
cal-inst.com |
Similar names
csa-intl.ca |
acs-intl.org |
sti-clan.de |
acs-intl.com |
csa-intl.org |
a-csintl.com |
cas-intl.com |
salt-inc.co.jp |
salt-inc.org |
csa-intl.com |
DNS History
13 records (6 active, 7 former)
○NSdns0.zoneedit.com2015-08-21 → 2015-08-21 · 3 obs
○ 2015-12-07 17:03:08
○ 2026-07-27 18:58:22
●NSns1.livedns.co.uk2015-12-07 → 2026-07-27 · 3 obs
● 2015-12-07 17:03:08
● 2026-07-27 18:58:22
○NSns18.zoneedit.com2015-08-21 → 2015-08-21 · 3 obs
○ 2015-12-07 17:03:08
○ 2026-07-27 18:58:22
●NSns2.livedns.co.uk2015-12-07 → 2026-07-27 · 3 obs
● 2015-12-07 17:03:08
● 2026-07-27 18:58:22
●NSns3.livedns.co.uk2015-12-07 → 2026-07-27 · 3 obs
● 2015-12-07 17:03:08
● 2026-07-27 18:58:22
○NSns3.zoneedit.com2015-08-21 → 2015-08-21 · 3 obs
○ 2015-12-07 17:03:08
○ 2026-07-27 18:58:22
○MXd17769a.ess.barracudanetworks.com2015-08-21 → 2017-06-24 · 4 obs
● 2017-06-24 06:44:40
○ 2026-02-19 22:33:10
○ 2026-07-27 18:58:22
○MXd17769b.ess.barracudanetworks.com2015-08-21 → 2017-06-24 · 4 obs
● 2017-06-24 06:44:40
○ 2026-02-19 22:33:10
○ 2026-07-27 18:58:22
●MXmx1-eu.emailsecurity.app2026-02-19 → 2026-07-27 · 3 obs
● 2026-02-19 22:33:10
● 2026-07-27 18:58:22
●MXmx2-eu.emailsecurity.app2026-02-19 → 2026-07-27 · 3 obs
● 2026-02-19 22:33:10
● 2026-07-27 18:58:22
●A185.41.10.262026-02-19 → 2026-07-27 · 3 obs
● 2026-02-19 22:33:10
● 2026-07-27 18:58:22
○A88.208.246.1472015-08-21 → 2016-03-28 · 4 obs
● 2016-03-28 19:34:36
○ 2016-11-24 22:23:26
○ 2026-07-27 18:58:22
○A88.208.252.92016-11-24 → 2017-06-24 · 5 obs
● 2016-11-24 22:23:26
● 2017-06-24 06:44:40
○ 2026-02-19 22:33:10
○ 2026-07-27 18:58:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cal-inst.com | ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk | - |
✅ Authoritative Response
Server:217.160.82.244
NS records: ns1.livedns.co.uk, ns2.livedns.co.uk, ns3.livedns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cal-inst.com (unsigned zone)
⏱️ Timing
Total: 472ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.41.10.26 |
| NS | 3 | ns2.livedns.co.uk, ns3.livedns.co.uk... |
| MX | 2 | mx1-eu.emailsecurity.app (pri: 10), mx2-eu.emailsecurity.app (pri: 20) |
| TXT | 3 | JjgxpgGO4EfQItCUuMeKLQCIGc1lsHsRLObepcal, MS=ms46840887... |
| SOA | 1 | ns1.livedns.co.uk administrator.cal-inst |
Analysis
IP Addresses
cal-inst.com points to a single IP number: 185.41.10.26.
Additional host names — server2.ianfindlay.co.uk, www.aquab.com, rdps.co.uk and two others — share IP numbers with cal-inst.com.
Name Servers
cal-inst.com carries NS records delegating to ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk.
At least some of cal-inst.com's name servers are shared with other domains, for example talk-straight.com, gameskorp.com, compound-optimization.com and two more.
These name servers tend to be deployed in combination with the name servers ns1.fast-hosts.org and ns2.fast-hosts.org.
ns1.livedns.co.uk, ns2.livedns.co.uk and ns3.livedns.co.uk are three hostnames that each resolve to a pair of IP addresses: ns1.livedns.co.uk to 217.160.81.244 and 2001:8d8:fe:53:fa::1, ns2.livedns.co.uk to 217.160.82.244 and 2001:8d8:fe:53:fa::2, and ns3.livedns.co.uk to 185.132.35.244 and 2607:f1c0:fe:53:185:132:35:244.
Mail Servers
cal-inst.com has two mail servers: mx1-eu.emailsecurity.app and mx2-eu.emailsecurity.app.
cal-inst.com shares the same mail server setup as other domains, including rsa.org.uk, topcoat.dk, estadat.net and two others.
cal-inst.com shares mail servers — at least in part — with other domains, including aib.co.uk, stadt-perleberg.de, modiin.muni.il and two others.
Each of mx1-eu.emailsecurity.app and mx2-eu.emailsecurity.app has one IP address: mx1-eu.emailsecurity.app uses 132.164.188.153 and mx2-eu.emailsecurity.app uses 4.245.183.72.