doubletree.now - dns.ninja

`doubletree.now`

DNSSEC	⚠️ Not signed
A	167.187.200.18^{🇺🇸 AS26529167.187.200.0/22 AC_HILTONWORL}
		PTR	`ftcrdf-nonsecure.hilton.com`
		PTR	`richardsondallas.hilton.com`
		PTR	`uksupply.hilton.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com`
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com`
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com`
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2024-09-27 #1

`now`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.now` ⭐
	NS	`dns2.nic.now`
	NS	`dns3.nic.now`
	NS	`dns4.nic.now`
	NS	`dnsa.nic.now`
	NS	`dnsb.nic.now`
	NS	`dnsc.nic.now`
	NS	`dnsd.nic.now`
	TXT	`#Timestamp: 1786224600`
	SOA	`dns1.nic.now`hostmaster@nominet.org.uk serial=1786224605

Same first word

DNS History

8 records (8 active, 0 former)

●NSns1.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns2.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns3.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns4.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns5.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns6.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●NSns7.markmonitor.com2026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

●A167.187.200.182026-07-27 → 2026-08-08 · 2 obs

● 2026-07-27 12:50:46
● 2026-08-08 21:36:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
now	dns1.nic.now, dns2.nic.now, dns3.nic.now, dns4.nic.now...	16 records
doubletree.now	ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com...	-

✅ Authoritative Response

Server:149.112.161.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletree.now (unsigned zone)

⏱️ Timing

Total: 829ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.187.200.18`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
SOA	1	`ns1.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 resolves to one IP address: 167.187.200.18.

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

Name Servers

doubletree.now is delegated to 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 other.

doubletree.now partially shares its NS delegation with several other domains, including iatinsurancegroup.group, quipmocks.com, cercle-valrhona.com and two others.

The name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com are often found in use alongside these name servers.

Hostnames that resolve to two IP addresses:

ns1.markmonitor.com points to 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com points to 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com points to 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com points to 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com points to 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com points to 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com points to 149.112.161.2 and 2620:10a:80a9::2.