heatingcalc.com - robtex.com
heatingcalc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.155.0.230 | ||||||
| PTR | startersite.uk.chimera.uk2group.com | ||||||
| NS | uk2net.com ⭐ | ||||||
| A | 174.127.116.26🇺🇸 UK2NET-AS174.127.116.0/22 NET-174.127_116_0-22 | ||||||
| PTR | no-ptr.westdc.net | ||||||
| NS | dns2.uk2.net ⚠️ Not in parent delegation | ||||||
| A | 213.155.0.224 | ||||||
| PTR | dns2.uk.chimera.uk2group.com | ||||||
| NS | dns3.uk2.net ⚠️ Not in parent delegation | ||||||
| A | 213.155.0.226 | ||||||
| PTR | dns3.uk.chimera.uk2group.com | ||||||
| NS | ultra103.uk2.net ⚠️ Not in zone NS records | ||||||
| A | 213.155.0.224 | ||||||
| PTR | dns2.uk.chimera.uk2group.com | ||||||
| NS | ultra104.uk2.net ⚠️ Not in zone NS records | ||||||
| A | 213.155.0.226 | ||||||
| PTR | dns3.uk.chimera.uk2group.com | ||||||
| MX | uk2mxarray4.uk2.net ⭐ | ||||||
| TXT | v=spf1 include:_spf.hostedemail.com ~all | ||||||
| SOA | uk2net.comhostmaster@heatingcalc@com 2005-10-27 #20 | ||||||
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=1785956314 | ||||||
Same first word
heatingcalc.com |
Similar names
DNS History
10 records (7 active, 3 former)
●NSdns2.uk2.net2026-07-11 → 2026-08-05 · 3 obs
● 2026-07-11 21:13:12
● 2026-08-05 19:19:06
●NSdns3.uk2.net2026-07-11 → 2026-08-05 · 3 obs
● 2026-07-11 21:13:12
● 2026-08-05 19:19:06
●NSultra103.uk2.net2026-07-11 → 2026-08-05 · 3 obs
● 2026-07-11 21:13:12
● 2026-08-05 19:19:06
●NSultra104.uk2.net2026-07-11 → 2026-08-05 · 3 obs
● 2026-07-11 21:13:12
● 2026-08-05 19:19:06
○NSultra23.uk2.net2015-07-17 → 2017-06-22 · 4 obs
● 2017-06-22 03:00:56
○ 2026-07-11 21:13:12
○ 2026-08-05 19:19:06
○NSultra24.uk2.net2015-07-17 → 2017-06-22 · 4 obs
● 2017-06-22 03:00:56
○ 2026-07-11 21:13:12
○ 2026-08-05 19:19:06
●MXuk2mxarray4.uk2.net2015-07-17 → 2026-08-05 · 2 obs
● 2026-08-05 19:19:06
●A213.155.0.2302026-07-11 → 2026-08-05 · 3 obs
● 2026-07-11 21:13:12
● 2026-08-05 19:19:06
○A83.170.69.932015-07-17 → 2017-06-22 · 4 obs
● 2017-06-22 03:00:56
○ 2026-07-11 21:13:12
○ 2026-08-05 19:19:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| heatingcalc.com | ultra103.uk2.net, ultra104.uk2.net | - |
✅ Authoritative Response
Server:213.155.0.226
NS records: ultra103.uk2.net, ultra104.uk2.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heatingcalc.com (unsigned zone)
⏱️ Timing
Total: 291ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.155.0.230 |
| NS | 2 | dns3.uk2.net, dns2.uk2.net |
| MX | 1 | uk2mxarray4.uk2.net (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.hostedemail.com ~all |
| SOA | 1 | uk2net.com hostmaster@heatingcalc.com |
Analysis
IP Addresses
heatingcalc.com has exactly one IP address — 213.155.0.230.
idesignvistas.co.uk, cslintegration.com, blackllama.com plus two other host names have IP numbers in common with heatingcalc.com.
Name Servers
Five name servers handle delegation for heatingcalc.com: uk2net.com, dns2.uk2.net, dns3.uk2.net and two others.
At least some of heatingcalc.com's name servers are shared with other domains, for example tomassolutions.com, volexchange.com, ideas-r-us-software.uk and two more.
These name servers tend to appear together with the name servers dns1.uk2.net, ultra103.uk2.net and ultra104.uk2.net, plus two others.
Host names resolving to a single IP address:
The hostname uk2net.com resolves to 174.127.116.26.
The hostname dns2.uk2.net resolves to 213.155.0.224.
The hostname dns3.uk2.net resolves to 213.155.0.226.
The hostname ultra103.uk2.net resolves to 213.155.0.224.
The hostname ultra104.uk2.net resolves to 213.155.0.226.
dns2.uk2.net along with ultra103.uk2.net each resolve to 213.155.0.224 IP addresses.
dns3.uk2.net along with ultra104.uk2.net each resolve to 213.155.0.226 IP addresses.
Mail Servers
heatingcalc.com uses one mail server — uk2mxarray4.uk2.net.
The mail server setup of heatingcalc.com matches that of other domains such as smarttoners.com, madbuyer.net, im-parts.com and two others.
At least some of the mail servers used by heatingcalc.com are shared with other domains: vural.biz, jamesfullarton.co.uk, dunmail.co.uk and two others among them.