critdmg.com - robtex.com
critdmg.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.170.40.4🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | webforwards.extendcp.co.uk | ||||||
| NS | ns2.heartinternet.uk ⭐ | ||||||
| A | 79.170.43.3🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | ns2.mainnameserver.com | ||||||
| NS | ns.heartinternet.uk | ||||||
| A | 79.170.40.2🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | ns1.mainnameserver.com | ||||||
| MX | mail.critdmg.com ⭐ | ||||||
| A | 79.170.40.150🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | mail150.extendcp.co.uk | ||||||
| TXT | v=spf1 exists:%{i}.mta.spf.extendcp.co.uk exists:%{i}.web.spf.extendcp.co.uk ... | ||||||
| SOA | ns.heartinternet.ukhostmaster@mainnameserver.com 2026-04-01 #76 | ||||||
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=1785009547 | ||||||
Subdomains
mail.critdmg.com |
Same first word
critdmg.com |
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.heartinternet.co.uk2015-06-24 → 2019-02-23 · 4 obs
● 2019-02-23 03:42:56
○ 2026-04-16 01:52:12
○ 2026-07-25 20:23:28
●NSns.heartinternet.uk2026-04-16 → 2026-07-25 · 3 obs
● 2026-04-16 01:52:12
● 2026-07-25 20:23:28
○NSns2.heartinternet.co.uk2015-06-24 → 2019-02-23 · 4 obs
● 2019-02-23 03:42:56
○ 2026-04-16 01:52:12
○ 2026-07-25 20:23:28
●NSns2.heartinternet.uk2026-04-16 → 2026-07-25 · 3 obs
● 2026-04-16 01:52:12
● 2026-07-25 20:23:28
●MXmail.critdmg.com2015-06-24 → 2026-07-25 · 2 obs
● 2026-07-25 20:23:28
○A173.255.235.1382019-02-23 → 2019-02-23 · 4 obs
● 2019-02-23 03:42:56
○ 2026-04-16 01:52:12
○ 2026-07-25 20:23:28
○A66.6.44.42015-06-24 → 2016-04-25 · 4 obs
● 2016-04-25 06:48:42
○ 2017-02-03 09:56:42
○ 2026-07-25 20:23:28
○A69.164.223.1362017-02-03 → 2017-02-03 · 4 obs
● 2017-02-03 09:56:42
○ 2019-02-23 03:42:56
○ 2026-07-25 20:23:28
●A79.170.40.42026-04-16 → 2026-07-25 · 3 obs
● 2026-04-16 01:52:12
● 2026-07-25 20:23:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| critdmg.com | ns2.heartinternet.uk, ns.heartinternet.uk | - |
✅ Authoritative Response
Server:79.170.43.3
NS records: ns2.heartinternet.uk, ns.heartinternet.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for critdmg.com (unsigned zone)
⏱️ Timing
Total: 603ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.170.40.4 |
| NS | 2 | ns2.heartinternet.uk, ns.heartinternet.uk |
| MX | 1 | mail.critdmg.com (pri: 10) |
| TXT | 1 | v=spf1 exists:%{i}.mta.spf.extendcp.co.u |
| SOA | 1 | ns.heartinternet.uk hostmaster.mainnames |
Analysis
Hierarchy
critdmg.com is a parent domain of mail.critdmg.com.
IP Addresses
critdmg.com directs to one IP number, which is 79.170.40.4.
Among the host names that share IP numbers with critdmg.com are administrator.brickgo.co.uk, wannapack.net, edenluxurycollection.com and two others.
Name Servers
critdmg.com is delegated to two name servers: ns2.heartinternet.uk and ns.heartinternet.uk.
critdmg.com has the same name server delegation as a number of other domains, such as footstepsnurseryworkington.com, citadel.org.uk, black-flag.co.uk and two more.
critdmg.com shares at least some of its name servers with other domains, such as fges.co.uk and eafmlearn.org.
ns2.heartinternet.uk and ns.heartinternet.uk each resolve to one IP number: ns2.heartinternet.uk points to 79.170.43.3 and ns.heartinternet.uk points to 79.170.40.2.
Mail Servers
critdmg.com routes its mail through a single mail server, mail.critdmg.com.
mail.critdmg.com resolves to a single IP number: 79.170.40.150.