doubletree.cn - dns.ninja
doubletree.cn
| DNSSEC | β οΈ Not signed | ||||||
| NS | cbru.br.ns.els-gms.att.net β οΈ Not in zone NS records | ||||||
| A | 2001:1890:1ff:9f0:68:94:156:132πΊπΈ AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cbru.br.ns.els-gms.att.net | ||||||
| A | 68.94.156.132πΊπΈ 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 β οΈ Not in zone NS records | ||||||
| A | 2001:1890:1ff:9f1:99:99:99:132πΊπΈ AS70182001:1890::/29 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| A | 99.99.99.132πΊπΈ AS701899.96.0.0/13 AT&T Enterprises, LLC | ||||||
| PTR | cmtu.mt.ns.els-gms.att.net | ||||||
| NS | hhcdns1.hilton.com β οΈ Not in zone NS records | ||||||
| NS | ns1-auth.sprintlink.net β οΈ Not in zone NS records | ||||||
| NS | ns2-auth.sprintlink.net β οΈ Not in zone NS records | ||||||
| NS | ns3-auth.sprintlink.net β οΈ Not in zone NS records | ||||||
cn
| DNSSEC | β οΈ Not signed | ||||||
| NS | a.dns.cn β | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net β οΈ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035166513 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
βNScbru.br.ns.els-gms.att.net2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
βNScmtu.mt.ns.els-gms.att.net2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
βNShhcdns1.hilton.com2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
βNSns1-auth.sprintlink.net2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
βNSns2-auth.sprintlink.net2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
βNSns3-auth.sprintlink.net2026-07-27 β 2026-08-11 Β· 2 obs
β 2026-08-11 06:07:52
π DNS Trace
Analysis
Name Servers
The DNS delegation for doubletree.cn covers 6 name servers: hhcdns1.hilton.com, ns1-auth.sprintlink.net, ns2-auth.sprintlink.net and 3 more.
doubletree.cn partially shares its NS delegation with several other domains, including 152.34.12.in-addr.arpa, 197.68.208.in-addr.arpa, carnivalagencies.com and two others.
In DNS configurations, these name servers often share authority with ns3-auth.sprintlink.net, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net 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.