`proheart12.us`

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 2014-12-18 #2

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1778250667

Same first word

proheart12.net

proheart12.info

proheart12.biz

proheart12.us

proheart12.com

DNS History

9 records (8 active, 1 former)

●NSns1.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns2.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns3.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns4.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns5.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns6.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●NSns7.markmonitor.com2015-07-05 → 2026-05-08 · 2 obs

● 2015-07-05 08:21:06
● 2026-05-08 14:51:18

●A3.33.139.322026-05-05 → 2026-05-08 · 3 obs

○ 2016-05-30 04:16:20
● 2026-05-05 17:03:38
● 2026-05-08 14:51:18

○A72.52.10.142015-07-05 → 2016-05-30 · 4 obs

● 2015-07-05 08:21:06
● 2016-05-30 04:16:20
○ 2026-05-05 17:03:38
○ 2026-05-08 14:51:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
proheart12.us	ns2.markmonitor.com, ns6.markmonitor.com, ns5.markmonitor.com, ns4.markmonitor.com...	-

✅ Authoritative Response

Server:149.112.160.1

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