coolrunner.com - dns.ninja
coolrunner.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cbru.br.ns.els-gms.att.net ⭐ | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| A | 68.94.156.132🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| NS | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:132🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 99.99.99.132🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| SOA | cbru.br.ns.els-gms.att.nethostmaster@xilinx.com serial=19 | ||||||
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=1785896509 | ||||||
Same first word
coolrunner.com |
coolrunner.dk |
coolrunner.co.uk |
DNS History
4 records (2 active, 2 former)
●NScbru.br.ns.els-gms.att.net2015-06-28 → 2026-08-05 · 2 obs
● 2026-08-05 02:33:36
●NScmtu.mt.ns.els-gms.att.net2015-06-28 → 2026-08-05 · 2 obs
● 2026-08-05 02:33:36
○A149.199.60.622026-02-21 → 2026-04-06 · 5 obs
● 2026-02-21 15:37:36
● 2026-04-06 02:38:52
○ 2026-05-02 12:01:52
○ 2026-08-05 02:33:36
○A206.17.92.812015-06-28 → 2017-08-07 · 4 obs
● 2017-08-07 22:17:48
○ 2026-02-21 15:37:36
○ 2026-08-05 02:33:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| coolrunner.com | cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net | - |
✅ Authoritative Response
Server:68.94.156.132
NS records: cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolrunner.com (unsigned zone)
⏱️ Timing
Total: 329ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | cmtu.mt.ns.els-gms.att.net, cbru.br.ns.els-gms.att.net |
| SOA | 1 | cbru.br.ns.els-gms.att.net hostmaster.xi |
Analysis
Name Servers
coolrunner.com is served by two delegated name servers, cbru.br.ns.els-gms.att.net and cmtu.mt.ns.els-gms.att.net.
coolrunner.com uses the same name servers as several other domains — among them 3.206.63.in-addr.arpa, eclipsecigs.com, reoworld.com and two more.
coolrunner.com partially shares its NS delegation with several other domains, including funshipexperts.com, 31.42.65.in-addr.arpa, talbotsclassicawards.com and two others.
In DNS configurations, these name servers often share authority with dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, dns3.carnival.com and 7 other name servers.
Each of the two host names carries two IP addresses: cbru.br.ns.els-gms.att.net points to 68.94.156.132 and 2001:1890:1ff:9f0:68:94:156:132, and cmtu.mt.ns.els-gms.att.net points to 99.99.99.132 and 2001:1890:1ff:9f1:99:99:99:132.