dooubletree.com - dns.ninja

`dooubletree.com`

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 2024-07-23 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781375453

Same first word

dooubletree.com

DNS History

11 records (8 active, 3 former)

●NSns1.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

○NSns1.twtelecom.net2015-08-21 → 2017-02-16 · 4 obs

● 2015-08-21 06:40:02
● 2017-02-16 08:05:26
○ 2026-05-06 04:32:58
○ 2026-06-13 18:59:06

●NSns2.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

○NSns2.twtelecom.net2015-08-21 → 2017-02-16 · 4 obs

● 2015-08-21 06:40:02
● 2017-02-16 08:05:26
○ 2026-05-06 04:32:58
○ 2026-06-13 18:59:06

●NSns3.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

●NSns4.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

●NSns5.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

●NSns6.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

●NSns7.markmonitor.com2026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

●A167.187.200.182026-05-06 → 2026-06-13 · 3 obs

○ 2017-02-16 08:05:26
● 2026-05-06 04:32:58
● 2026-06-13 18:59:06

○A167.187.200.232015-08-21 → 2017-02-16 · 4 obs

● 2015-08-21 06:40:02
● 2017-02-16 08:05:26
○ 2026-05-06 04:32:58
○ 2026-06-13 18:59:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dooubletree.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:176.97.158.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dooubletree.com (unsigned zone)

⏱️ Timing

Total: 245ms | 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

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

IP Addresses

dooubletree.com has exactly one IP address — 167.187.200.18.

hgiheathrow.com, onq.lt, hiltonhotels.la plus two other host names have IP numbers in common with dooubletree.com.

Name Servers

dooubletree.com has 7 name servers — ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

There is at least partial name server overlap between dooubletree.com and other domains — safety-experience.net, msd-remote.com.mx, 40anniversary.com and two more among them.

These name servers tend to appear in combination with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names pointing to two IP addresses:

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

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

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

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

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

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

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