`doubletree.ro`

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` ⚠️ Not in parent delegation
		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 2024-01-19 #3

`ro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`primary.rotld.ro` ⭐
	NS	`dns-at.rotld.ro`
	NS	`dns-c.rotld.ro`
	NS	`dns-ro.denic.de`
	NS	`sec-dns-a.rotld.ro`
	NS	`sec-dns-b.rotld.ro`
	SOA	`primary.rotld.ro`hostmaster@rotld.ro serial=2018596669

Same first word

DNS History

14 records (8 active, 6 former)

●NSns1.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

○NSns1.netnames.net2015-07-18 → 2017-05-13 · 4 obs

● 2015-07-18 13:28:36
● 2017-05-13 02:23:48
○ 2026-07-27 12:37:32
○ 2026-07-31 21:02:04

●NSns2.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

○NSns2.netnames.net2015-07-18 → 2017-05-13 · 4 obs

● 2015-07-18 13:28:36
● 2017-05-13 02:23:48
○ 2026-07-27 12:37:32
○ 2026-07-31 21:02:04

●NSns3.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

●NSns4.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

●NSns5.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

●NSns6.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

●NSns7.markmonitor.com2026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

○MXrelay1.netnames.net2015-07-18 → 2015-10-09 · 4 obs

● 2015-07-18 13:28:36
● 2015-10-09 00:26:34
○ 2015-10-13 18:03:30
○ 2026-07-31 21:02:04

○MXrelay2.netnames.net2015-07-18 → 2015-10-09 · 4 obs

● 2015-07-18 13:28:36
● 2015-10-09 00:26:34
○ 2015-10-13 18:03:30
○ 2026-07-31 21:02:04

●A167.187.200.182026-07-27 → 2026-07-31 · 3 obs

○ 2017-05-13 02:23:48
● 2026-07-27 12:37:32
● 2026-07-31 21:02:04

○A198.101.129.722015-10-13 → 2017-05-13 · 5 obs

○ 2015-10-09 00:26:34
● 2015-10-13 18:03:30
● 2017-05-13 02:23:48
○ 2026-07-27 12:37:32
○ 2026-07-31 21:02:04

○A89.234.21.2402015-07-18 → 2015-10-09 · 4 obs

● 2015-07-18 13:28:36
● 2015-10-09 00:26:34
○ 2015-10-13 18:03:30
○ 2026-07-31 21:02:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ro	sec-dns-a.rotld.ro, dns-c.rotld.ro, dns-at.rotld.ro, primary.rotld.ro...	-
doubletree.ro	ns1.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com, ns6.markmonitor.com...	-

✅ Authoritative Response

Server:149.112.160.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletree.ro (unsigned zone)

⏱️ Timing

Total: 1704ms | 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`

Analysis

IP Addresses

doubletree.ro resolves to just one IP address, 167.187.200.18.

Two other host names, along with hamptoninnbroadway.com, hiltonsanjose.com and embassysuitechicago.com, also share IP numbers with doubletree.ro.

Name Servers

DNS for doubletree.ro is handled by 7 name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

doubletree.ro shares at least some of its name servers with other domains, including calzoncillosboxercalvinklein.com, epic-ce.com, brco.co.uk and two others.

These name servers are frequently seen alongside the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names that have two IP addresses:

ns1.markmonitor.com has two IP addresses: 149.112.160.1 and 2620:10a:80a8::1.

ns2.markmonitor.com has two IP addresses: 176.97.158.1 and 2001:67c:10b8::1.

ns3.markmonitor.com has two IP addresses: 149.112.161.1 and 2620:10a:80a9::1.

ns4.markmonitor.com has two IP addresses: 192.174.68.1 and 2001:67c:1bc::1.

ns5.markmonitor.com has two IP addresses: 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com has two IP addresses: 176.97.158.3 and 2001:67c:10b8::3.

ns7.markmonitor.com has two IP addresses: 149.112.161.2 and 2620:10a:80a9::2.