`doubletree.deal`

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

`deal`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.deal` ⭐
	NS	`dns2.nic.deal`
	NS	`dns3.nic.deal`
	NS	`dns4.nic.deal`
	NS	`dnsa.nic.deal`
	NS	`dnsb.nic.deal`
	NS	`dnsc.nic.deal`
	NS	`dnsd.nic.deal`
	SOA	`dns1.nic.deal`hostmaster@nominet.org.uk serial=1785270235

Same first word

DNS History

8 records (8 active, 0 former)

●NSns1.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns2.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns3.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns4.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns5.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns6.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●NSns7.markmonitor.com2026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

●A167.187.200.182026-07-27 → 2026-07-29 · 2 obs

● 2026-07-27 12:34:30
● 2026-07-29 00:41:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
deal	dns1.nic.deal, dns2.nic.deal, dns3.nic.deal, dns4.nic.deal...	14 records
doubletree.deal	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.deal (unsigned zone)

⏱️ Timing

Total: 684ms | 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: 14

In-bailiwick: 14 (dns1.nic.deal, dns2.nic.deal, dns3.nic.deal...)

Analysis

IP Addresses

doubletree.deal resolves to one IP address: 167.187.200.18.

hiltonlanzhou.com, embassysuitesbyhiltonspas.net.cn, hiltongardeninnkrakow.pl and two other host names share IP numbers with doubletree.deal.

Name Servers

doubletree.deal delegates authority to 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com plus 4 other.

At least some of doubletree.deal's name servers are shared with other domains, for example cpainproma.biz, onefreeearth.com, a4az.com and two more.

These name servers are often deployed together with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Hostnames that resolve to two IP addresses:

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

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

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

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

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

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

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