🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`heartlab.me`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:a9a8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:36f5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.245^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.168^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josephine.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2640^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josephine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c240^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josephine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2240^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josephine.ns.cloudflare.com`
		A	108.162.194.64^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.64^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.64^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`yisroel.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yisroel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yisroel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yisroel.ns.cloudflare.com`
		A	108.162.195.185^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yisroel.ns.cloudflare.com`
		A	162.159.44.185^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yisroel.ns.cloudflare.com`
		A	172.64.35.185^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yisroel.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁷⁹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.245, 172.67.169.168
		IPv6 hints	2606:4700:3035::ac43:a9a8, 2606:4700:3036::6815:36f5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=206, name=cloudflare-ech.com
SOA	`josephine.ns.cloudflare.com`dns@cloudflare.com serial=2411554550

`me`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.me` ⭐
	NS	`a2.nic.me`
	NS	`b0.nic.me`
	NS	`b2.nic.me`
	NS	`c0.nic.me`
	SOA	`a0.nic.me`hostmaster@donuts.email serial=1786780822

🔒 HSTS Preload (+subdomains)

Same first word

heartlab.me

heartlab.ru

heartlab.com

heartlab.org

heartlab.jp

Similar names

DNS History

9 records (9 active, 0 former)

●NSjosephine.ns.cloudflare.com2026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●NSyisroel.ns.cloudflare.com2026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●MXroute1.mx.cloudflare.net2026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●MXroute2.mx.cloudflare.net2026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●MXroute3.mx.cloudflare.net2026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●A104.21.54.2452026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●A172.67.169.1682026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●A2606:4700:3035::ac43:a9a82026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

●A2606:4700:3036::6815:36f52026-07-03 → 2026-08-15 · 2 obs

● 2026-07-03 12:37:34
● 2026-08-15 08:22:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
me	c0.nic.me, a0.nic.me, b2.nic.me, a2.nic.me...	-
heartlab.me	yisroel.ns.cloudflare.com, josephine.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.64

NS records: yisroel.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 686ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.168, 104.21.54.245`
AAAA	2	`2606:4700:3035::ac43:a9a8, 2606:4700:3036::6815:36f5`
NS	2	`josephine.ns.cloudflare.com, yisroel.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 45), route2.mx.cloudflare.net (pri: 79)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`josephine.ns.cloudflare.com dns.cloudfla`

Analysis

IP Addresses

heartlab.me points to the four IP addresses 104.21.54.245, 172.67.169.168, 2606:4700:3035::ac43:a9a8 and 2606:4700:3036::6815:36f5.

Name Servers

Two name servers handle the delegation for heartlab.me: josephine.ns.cloudflare.com and yisroel.ns.cloudflare.com.

The name server configuration of heartlab.me is shared with other domains, for instance time-trader.co.uk, tiesrus.co.uk, activesport.info and two others.

The name servers of heartlab.me overlap at least partially with those of other domains — among them yingchaozuqiuzhiboba.asia, lanqiusaishizhibomianfeiguankan.asia, pukepai100zwanfadaquansanren.asia and two more.

These name servers commonly appear in combination with the name servers alexa.ns.cloudflare.com.

Hosts with 6 IP addresses each:

josephine.ns.cloudflare.com resolves to 108.162.194.64, 162.159.38.64 and 172.64.34.64 among others, with 3 other IP addresses in total.

yisroel.ns.cloudflare.com resolves to 108.162.195.185, 162.159.44.185 and 172.64.35.185 among others, with 3 other IP addresses in total.

Mail Servers

Mail for heartlab.me is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

heartlab.me - robtex.com

heartlab.me

me

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`heartlab.me`

`me`