howcool.com - dns.ninja
howcool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 72.167.50.96🇺🇸 AS39810172.167.48.0/21 | ||||||
| PTR | 96.50.167.72.host.secureserver.net | ||||||
| NS | ns3.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns4.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | howcool.com ⭐ | ||||||
| A | 72.167.50.96🇺🇸 AS39810172.167.48.0/21 | ||||||
| PTR | 96.50.167.72.host.secureserver.net | ||||||
| MX | newsletters.howcool.com(2) | ||||||
| A | 24.43.185.22🇺🇸 CHARTER_COMMUNICATIONS-BB24.43.184.0/21 Charter Communications Inc | ||||||
| PTR | newsletters.howcool.com | ||||||
| TXT | v=spf1 mx a:howcool.com mx:howcool.com ip4:72.167.50.96 a:newsletters.howcool... | ||||||
| SOA | NS3.WORLDNIC.comnamehost@WORLDNIC.com serial=112091219 | ||||||
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=1783710037 | ||||||
MX for
howcool.com |
Subdomains
newsletters.howcool.com |
121157-fw1.howcool.com |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns3.worldnic.com2009-02-01 → 2026-07-10 · 2 obs
● 2026-07-10 19:25:24
●NSns4.worldnic.com2009-02-01 → 2026-07-10 · 2 obs
● 2026-07-10 19:25:24
●MXhowcool.com2015-05-24 → 2026-07-10 · 3 obs
● 2015-05-24 23:02:52
● 2026-07-10 19:25:24
○MXmx1.emailsrvr.com2009-02-01 → 2009-02-01 · 3 obs
○ 2015-05-24 23:02:52
○ 2026-07-10 19:25:24
○MXmx2.emailsrvr.com2009-02-01 → 2009-02-01 · 3 obs
○ 2015-05-24 23:02:52
○ 2026-07-10 19:25:24
●MXnewsletters.howcool.com2015-05-24 → 2026-07-10 · 3 obs
● 2015-05-24 23:02:52
● 2026-07-10 19:25:24
●A72.167.50.962015-05-24 → 2026-07-10 · 6 obs
● 2015-05-24 23:02:52
● 2026-04-28 06:41:26
○ 2026-06-13 23:37:18
● 2026-07-10 19:25:22
● 2026-07-10 19:25:24
○A98.129.118.742009-02-01 → 2009-02-01 · 3 obs
○ 2015-05-24 23:02:52
○ 2026-07-10 19:25:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| howcool.com | ns3.worldnic.com, ns4.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.124
NS records: ns3.worldnic.com, ns4.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for howcool.com (unsigned zone)
⏱️ Timing
Total: 2417ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 72.167.50.96 |
| NS | 2 | ns4.worldnic.com, ns3.worldnic.com |
| MX | 2 | howcool.com (pri: 1), newsletters.howcool.com (pri: 2) |
| TXT | 1 | v=spf1 mx a:howcool.com mx:howcool.com i |
| SOA | 1 | NS3.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.worldnic.com, ns4.worldnic.com)
Analysis
Hierarchy
howcool.com is the parent domain of newsletters.howcool.com and 121157-fw1.howcool.com.
Mail Server Role
howcool.com acts as its own mail server.
newsletters.howcool.com is often seen acting as a mail server in combination with howcool.com.
IP Addresses
howcool.com points to a single IP number: 72.167.50.96.
howcool.com shares its IP numbers with other host names like 121157-fw1.howcool.com, 96.50.167.72.host.secureserver.net and codigopago.com.
Name Servers
DNS delegation for howcool.com points to two name servers: ns3.worldnic.com and ns4.worldnic.com.
howcool.com shares its name server setup with other domains, including satdatacomm.com, yikan.com, mschelp.com and two others.
howcool.com has partial name server overlap with other domains, including santanderautofinance.net.
ns3.worldnic.com resolves to 162.159.26.110. ns4.worldnic.com resolves to 162.159.27.124. Both host names point to a single IP number.
Mail Servers
howcool.com uses two mail servers, howcool.com and newsletters.howcool.com.
howcool.com resolves to 72.167.50.96. newsletters.howcool.com resolves to 24.43.185.22. Both host names point to a single IP number.