doubletree.sc - dns.ninja

`doubletree.sc`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.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 2014-08-01 #2

`sc`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.cctld.afilias-nst.info` ⭐
	NS	`a2.cctld.afilias-nst.info`
	NS	`b0.cctld.afilias-nst.org`
	NS	`b2.cctld.afilias-nst.org`
	NS	`c0.cctld.afilias-nst.info`
	NS	`d0.cctld.afilias-nst.org`
	NS	`ns1.nic.sc`
	SOA	`a0.cctld.afilias-nst.info`hostmaster@donuts.email serial=1786513512

Same first word

DNS History

8 records (8 active, 0 former)

●NSns1.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns2.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns3.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns4.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns5.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns6.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●NSns7.markmonitor.com2026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

●A3.33.139.322026-07-27 → 2026-08-12 · 2 obs

● 2026-07-27 12:46:46
● 2026-08-12 05:57:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sc	a0.cctld.afilias-nst.info, a2.cctld.afilias-nst.info, b0.cctld.afilias-nst.org, b2.cctld.afilias-nst.org...	13 records
doubletree.sc	ns5.markmonitor.com, ns7.markmonitor.com, ns3.markmonitor.com, ns1.markmonitor.com...	-

✅ Authoritative Response

Server:149.112.160.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubletree.sc (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 13

In-bailiwick: 1 (ns1.nic.sc)

Out-of-bailiwick: 12 (a0.cctld.afilias-nst.info, a2.cctld.afilias-nst.info, b0.cctld.afilias-nst.org...)

Analysis

IP Addresses

doubletree.sc has exactly one IP address — 3.33.139.32.

datadiscoverytools.tv, sealedair.com.sg, amazonbabyequipment.com plus two other host names have IP numbers in common with doubletree.sc.

Name Servers

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

doubletree.sc shares at least some of its name servers with other domains, including pershing.gr, demandware.is, paysafecard.co 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 pointing to 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.