doubletree.cn - dns.ninja

doubletree.cn

DNSSEC⚠️ Not signed
NScbru.br.ns.els-gms.att.net ⚠️ Not in zone NS records
A2001:1890:1ff:9f0:68:94:156:132πŸ‡ΊπŸ‡Έ AS70182001:1890::/29 AT&T Enterprises, LLC
PTRcbru.br.ns.els-gms.att.net
A68.94.156.132πŸ‡ΊπŸ‡Έ AS701868.88.0.0/13 ARIN Allocation SBC Internet Services
PTRcbru.br.ns.els-gms.att.net
NScmtu.mt.ns.els-gms.att.net ⚠️ Not in zone NS records
A2001:1890:1ff:9f1:99:99:99:132πŸ‡ΊπŸ‡Έ AS70182001:1890::/29 AT&T Enterprises, LLC
PTRcmtu.mt.ns.els-gms.att.net
A99.99.99.132πŸ‡ΊπŸ‡Έ AS701899.96.0.0/13 AT&T Enterprises, LLC
PTRcmtu.mt.ns.els-gms.att.net
NShhcdns1.hilton.com ⚠️ Not in zone NS records
NSns1-auth.sprintlink.net ⚠️ Not in zone NS records
NSns2-auth.sprintlink.net ⚠️ Not in zone NS records
NSns3-auth.sprintlink.net ⚠️ Not in zone NS records

cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035166513

Same first word

DNS History

6 records (6 active, 0 former)

NScbru.br.ns.els-gms.att.netcmtu.mt.ns.els-gms.att.nethhcdns1.hilton.comns1-auth.sprintlink.netns2-auth.sprintlink.netns3-auth.sprintlink.net
●NScbru.br.ns.els-gms.att.net2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52
●NScmtu.mt.ns.els-gms.att.net2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52
●NShhcdns1.hilton.com2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52
●NSns1-auth.sprintlink.net2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52
●NSns2-auth.sprintlink.net2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52
●NSns3-auth.sprintlink.net2026-07-27 β†’ 2026-08-11 Β· 2 obs
● 2026-07-27 12:47:16
● 2026-08-11 06:07:52

πŸ” 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.