coldmath.com - robtex.com
coldmath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix | ||||||
| NS | ns-cloud-d1.googledomains.com ⭐ | ||||||
| A | 2001:4860:4802:32::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d1.googledomains.com | ||||||
| A | 216.239.32.109🇺🇸 Google216.239.32.0/24 | ||||||
| PTR | ns-cloud-d1.googledomains.com | ||||||
| NS | ns-cloud-d2.googledomains.com | ||||||
| A | 2001:4860:4802:34::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d2.googledomains.com | ||||||
| A | 216.239.34.109🇺🇸 Google216.239.34.0/24 | ||||||
| PTR | ns-cloud-d2.googledomains.com | ||||||
| NS | ns-cloud-d3.googledomains.com | ||||||
| A | 2001:4860:4802:36::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d3.googledomains.com | ||||||
| A | 216.239.36.109🇺🇸 Google216.239.36.0/24 | ||||||
| PTR | ns-cloud-d3.googledomains.com | ||||||
| NS | ns-cloud-d4.googledomains.com | ||||||
| A | 2001:4860:4802:38::6d🇺🇸 Google2001:4860::/32 | ||||||
| PTR | ns-cloud-d4.googledomains.com | ||||||
| A | 216.239.38.109🇺🇸 Google216.239.38.0/24 | ||||||
| PTR | ns-cloud-d4.googledomains.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-cloud-d1.googledomains.comcloud-dns-hostmaster@google.com serial=1 | ||||||
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=1794766128 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
18 records (5 active, 13 former)
●NSns-cloud-d1.googledomains.com2026-09-24 → 2026-11-15 · 3 obs
● 2026-09-24 01:40:34
● 2026-11-15 18:31:34
●NSns-cloud-d2.googledomains.com2026-09-24 → 2026-11-15 · 3 obs
● 2026-09-24 01:40:34
● 2026-11-15 18:31:34
●NSns-cloud-d3.googledomains.com2026-09-24 → 2026-11-15 · 3 obs
● 2026-09-24 01:40:34
● 2026-11-15 18:31:34
●NSns-cloud-d4.googledomains.com2026-09-24 → 2026-11-15 · 3 obs
● 2026-09-24 01:40:34
● 2026-11-15 18:31:34
○NSns1.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-08-08 08:02:30
○ 2026-11-15 18:31:34
○NSns1.parklogic.com2015-08-08 → 2017-03-20 · 5 obs
● 2015-08-08 08:02:30
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○NSns2.ireithost.com2007-08-16 → 2007-08-16 · 3 obs
○ 2015-08-08 08:02:30
○ 2026-11-15 18:31:34
○NSns2.parklogic.com2015-08-08 → 2017-03-20 · 5 obs
● 2015-08-08 08:02:30
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○NSns3.parklogic.com2015-08-08 → 2017-03-20 · 5 obs
● 2015-08-08 08:02:30
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○NSns4.parklogic.com2015-08-08 → 2017-03-20 · 5 obs
● 2015-08-08 08:02:30
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○NSns5.parklogic.com2015-08-08 → 2017-03-20 · 5 obs
● 2015-08-08 08:02:30
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○MXallmail.parklogic.com2015-08-08 → 2016-06-19 · 5 obs
● 2015-08-08 08:02:30
● 2016-06-19 21:34:10
○ 2017-03-20 07:09:26
○ 2026-11-15 18:31:34
○MXmx156.hostedmxserver.com2017-03-20 → 2017-03-20 · 4 obs
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
○A172.99.89.2102015-11-29 → 2016-06-19 · 5 obs
● 2015-11-29 00:20:58
● 2016-06-19 21:34:10
○ 2017-03-20 07:09:26
○ 2026-11-15 18:31:34
○A172.99.89.2292017-03-20 → 2017-03-20 · 4 obs
● 2017-03-20 07:09:26
○ 2020-03-30 03:01:32
○ 2026-11-15 18:31:34
●A216.150.1.12026-09-24 → 2026-11-15 · 3 obs
● 2026-09-24 01:40:34
● 2026-11-15 18:31:34
○A63.214.247.1702007-08-16 → 2007-08-16 · 3 obs
○ 2015-08-08 08:02:30
○ 2026-11-15 18:31:34
○A74.200.250.1812015-08-08 → 2015-08-08 · 4 obs
● 2015-08-08 08:02:30
○ 2015-11-29 00:20:58
○ 2026-11-15 18:31:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| coldmath.com | ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.38.109
NS records: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coldmath.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 4 | ns-cloud-d4.googledomains.com, ns-cloud-d2.googledomains.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-cloud-d1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-d1.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com...)
Analysis
IP Addresses
coldmath.com has exactly one IP address — 216.150.1.1.
dumpstrategy.wtf, newkeyconstruction.com, datewise.io plus two other host names have IP numbers in common with coldmath.com.
Name Servers
Four name servers handle the delegation for coldmath.com: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.
At least some of coldmath.com's name servers are shared with other domains, for example danwinchester.com, dawncombsphotography.com, tandm8.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-cloud-d1.googledomains.com directs to 216.239.32.109 and 2001:4860:4802:32::6d; ns-cloud-d2.googledomains.com directs to 216.239.34.109 and 2001:4860:4802:34::6d; ns-cloud-d3.googledomains.com directs to 216.239.36.109 and 2001:4860:4802:36::6d; ns-cloud-d4.googledomains.com directs to 216.239.38.109 and 2001:4860:4802:38::6d.