`cardiofeedback.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=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=1771291435

Subdomains

maildefer.cardiofeedback.com

mailspool.cardiofeedback.com

DNS History

24 records (4 active, 20 former)

○NSdns2.french-connexion.com2017-02-04 → 2017-02-04 · 4 obs

○ 2016-02-06 10:09:32
● 2017-02-04 22:25:54
○ 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○NSdns60.domaine.fr2017-02-04 → 2017-02-04 · 4 obs

○ 2016-02-06 10:09:32
● 2017-02-04 22:25:54
○ 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○NSdocks18.rzone.de2015-06-06 → 2015-10-26 · 4 obs

● 2015-06-06 19:54:40
● 2015-10-26 19:50:54
○ 2016-02-06 10:09:32
○ 2026-03-24 09:48:40

●NSns1.afternic.com2026-03-24 → 2026-03-24 · 2 obs

○ 2018-09-11 11:03:52
● 2026-03-24 09:48:40

●NSns2.afternic.com2026-03-24 → 2026-03-24 · 2 obs

○ 2018-09-11 11:03:52
● 2026-03-24 09:48:40

○NSns69.domaincontrol.com2018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○NSns70.domaincontrol.com2018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○NSshades12.rzone.de2015-06-06 → 2015-10-26 · 4 obs

● 2015-06-06 19:54:40
● 2015-10-26 19:50:54
○ 2016-02-06 10:09:32
○ 2026-03-24 09:48:40

○MXmail.cardiofeedback.com2017-02-04 → 2017-02-04 · 4 obs

○ 2015-10-26 19:50:54
● 2017-02-04 22:25:54
○ 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○MXsmtp.rzone.de2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:54:40
○ 2015-10-26 19:50:54
○ 2026-03-24 09:48:40

●A13.248.169.482026-03-24 → 2026-03-24 · 2 obs

○ 2018-09-11 11:03:52
● 2026-03-24 09:48:40

○A159.100.131.282017-02-04 → 2017-02-04 · 4 obs

○ 2015-10-26 19:50:54
● 2017-02-04 22:25:54
○ 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A184.168.221.332018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A184.168.221.372018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A184.168.221.382018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A184.168.221.462018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A184.168.221.622018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A2a01:238:20a:202:1092::2015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:54:40
○ 2015-10-26 19:50:54
○ 2026-03-24 09:48:40

○A50.63.202.412018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A50.63.202.472018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A50.63.202.492018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

○A50.63.202.562018-09-11 → 2018-09-11 · 3 obs

○ 2017-02-04 22:25:54
● 2018-09-11 11:03:52
○ 2026-03-24 09:48:40

●A76.223.54.1462026-03-24 → 2026-03-24 · 2 obs

○ 2018-09-11 11:03:52
● 2026-03-24 09:48:40

○A81.169.145.922015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 19:54:40
○ 2015-10-26 19:50:54
○ 2026-03-24 09:48:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cardiofeedback.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cardiofeedback.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

Hierarchy

cardiofeedback.com is the parent of maildefer.cardiofeedback.com and mailspool.cardiofeedback.com.

IP Addresses

Two IP numbers are pointed to by cardiofeedback.com: 13.248.169.48 and 76.223.54.146.

other host names include q8ih.com, nullmx.credicard.org, pixelswork.com, www.13961.com and undump.com; they share IP numbers with cardiofeedback.com.

Name Servers

Two name servers ns1.afternic.com and ns2.afternic.com handle the delegation for cardiofeedback.com.

cardiofeedback.com shares the same name server setup as other domains, for instance petagrid.com, 03-070.232.popsite.net, ns1.fanhost.com, clonetron.com and labac.com.

cardiofeedback.com at least partially shares name servers with other domains, for instance tgpremium.com, trendop.com, pushmedia.co.uk, nobosh.com and starspharma.com.

These name servers are commonly used with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-bukl82wwh56gubebnf9dqk.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69.

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69.

cardiofeedback.com - robtex.com