doubletree.now - robtex.com

doubletree.now

DNSSEC⚠️ Not signed
A167.187.200.18🇺🇸 AS26529167.187.200.0/22 AC_HILTONWORL
PTRftcrdf-nonsecure.hilton.com
PTRrichardsondallas.hilton.com
PTRuksupply.hilton.com
NSns1.markmonitor.com
A2620:10a:80a8::1🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
A149.112.160.1🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
NSns2.markmonitor.com
A2001:67c:10b8::1🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net
PTRns2.markmonitor.com
A176.97.158.1🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net
PTRns2.markmonitor.com
NSns3.markmonitor.com
A2620:10a:80a9::1🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
A149.112.161.1🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
NSns4.markmonitor.com
A2001:67c:1bc::1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast
PTRns1.markmonitor.com
A192.174.68.1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net
PTRns1.markmonitor.com
NSns5.markmonitor.com
A2620:10a:80a8::2🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
A149.112.160.2🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
NSns6.markmonitor.com
A2001:67c:10b8::3🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net
PTRns6.markmonitor.com
A176.97.158.3🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net
PTRns6.markmonitor.com
NSns7.markmonitor.com
A2620:10a:80a9::2🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
A149.112.161.2🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada
SOAns1.markmonitor.comhostmaster@markmonitor.com 2024-09-27 #1

now

DNSSEC🔒 Signed (DS record present)
NSdns1.nic.now
NSdns2.nic.now
NSdns3.nic.now
NSdns4.nic.now
NSdnsa.nic.now
NSdnsb.nic.now
NSdnsc.nic.now
NSdnsd.nic.now
SOAdns1.nic.nowhostmaster@nominet.org.uk serial=1785394125

Same first word

DNS History

8 records (8 active, 0 former)

NSns1.markmonitor.comns2.markmonitor.comns3.markmonitor.comns4.markmonitor.comns5.markmonitor.comns6.markmonitor.comns7.markmonitor.comA167.187.200.18
NSns1.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns2.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns3.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns4.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns5.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns6.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
NSns7.markmonitor.com2026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16
A167.187.200.182026-07-27 → 2026-07-30 · 2 obs
● 2026-07-27 12:50:46
● 2026-07-30 07:30:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nowdns1.nic.now, dns2.nic.now, dns3.nic.now, dns4.nic.now...16 records
doubletree.nowns3.markmonitor.com, ns5.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com...-

✅ Authoritative Response

Server:149.112.160.1

NS records: ns3.markmonitor.com, ns5.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com, ns4.markmonitor.com, ns1.markmonitor.com, ns6.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletree.now (unsigned zone)

⏱️ Timing

Total: 760ms | Queries: -

📄 Records

TypeCountSample Data
A1167.187.200.18
NS7ns1.markmonitor.com, ns2.markmonitor.com...
SOA1ns1.markmonitor.com hostmaster.markmonit

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (dns1.nic.now, dns1.nic.now, dns2.nic.now...)

Analysis

IP Addresses

doubletree.now points to a single IP number: 167.187.200.18.

Additional host names — home2suiteswacobyhilton.com, specialevents.hilton.com, waldorf-astoriacollection.org and two others — share IP numbers with doubletree.now.

Name Servers

doubletree.now is served by 7 authoritative name servers — among them ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

doubletree.now has at least partial name server overlap with other domains, such as iatinsurancegroup.group, quipmocks.com, cercle-valrhona.com and two others.

It is common to find these name servers paired with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names with two IP numbers:

ns1.markmonitor.com resolves to two addresses: 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com resolves to two addresses: 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com resolves to two addresses: 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com resolves to two addresses: 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com resolves to two addresses: 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com resolves to two addresses: 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com resolves to two addresses: 149.112.161.2 and 2620:10a:80a9::2.