programmertool.com - dns.ninja
programmertool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
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=1782661675 | ||||||
Previously MX for
programmertool.com |
Subdomains
c13-b2b-blog-lb.programmertool.com |
lax1.programmertool.com |
Same first word
programmertool.com |
DNS History
13 records (3 active, 10 former)
●NSns.buydomains.com2016-12-22 → 2026-06-28 · 3 obs
● 2016-12-22 16:48:56
● 2026-06-28 16:03:40
○NSns1.alastyr.com2015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 15:36:44
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
○NSns1.yoursrs.com2015-06-11 → 2015-06-11 · 3 obs
○ 2015-10-20 15:36:44
○ 2026-06-28 16:03:40
○NSns2.alastyr.com2015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 15:36:44
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
○NSns2.yoursrs.com2015-06-11 → 2015-06-11 · 3 obs
○ 2015-10-20 15:36:44
○ 2026-06-28 16:03:40
○NSns3.alastyr.com2015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 15:36:44
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
○NSns4.alastyr.com2015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 15:36:44
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
●NSthis-domain-for-sale.com2026-02-15 → 2026-06-28 · 3 obs
● 2026-02-15 05:38:46
● 2026-06-28 16:03:40
○MXprogrammertool.com2015-10-20 → 2016-04-16 · 4 obs
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
○A141.8.225.1242016-12-22 → 2017-01-15 · 5 obs
● 2016-12-22 16:48:56
● 2017-01-15 08:08:50
○ 2026-02-15 05:38:46
○ 2026-06-28 16:03:40
●A207.148.248.1432026-02-15 → 2026-06-28 · 3 obs
● 2026-02-15 05:38:46
● 2026-06-28 16:03:40
○A5.2.84.2452015-10-20 → 2016-04-16 · 5 obs
● 2015-10-20 15:36:44
● 2016-04-16 19:47:54
○ 2016-12-22 16:48:56
○ 2026-06-28 16:03:40
○A85.158.203.1902015-06-11 → 2015-06-11 · 3 obs
○ 2015-10-20 15:36:44
○ 2026-06-28 16:03:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| programmertool.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for programmertool.com (unsigned zone)
⏱️ Timing
Total: 2430ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
c13-b2b-blog-lb.programmertool.com and lax1.programmertool.com each fall under programmertool.com as their parent domain.
IP Addresses
programmertool.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with mblworld.com, www.portpals.com and tafc.net, also share IP numbers with programmertool.com.
Name Servers
programmertool.com uses two name servers for its delegation: this-domain-for-sale.com and ns.buydomains.com.
programmertool.com shares its NS records with other domains, for example beachall.com, presenterkit.com, ethnictaste.com and two others.
programmertool.com has overlapping name servers with several other domains — among them centralmedico.com, chocolatetasters.com, soulidays.com and remodelingca.com.
These name servers commonly appear in combination with the name servers ns2.buydomains.com.
this-domain-for-sale.com resolves to 52.20.26.87; ns.buydomains.com resolves to the same IP address, 52.20.26.87.
Both this-domain-for-sale.com and ns.buydomains.com resolve to 52.20.26.87 IP addresses each.