`lifelineinstruments.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8db8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:213d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.61^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.184^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sofia.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3adf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sofia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sofia.ns.cloudflare.com`
		A	108.162.192.223^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	172.64.32.223^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
		A	173.245.58.223^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sofia.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
MX	`_dc-mx.8a1d38eda561.lifelineinstruments.com` ⭐
		A	185.193.66.66^{🇩🇪 CONTABO185.193.66.0/23}
			PTR	`vmi2385055.contaboserver.net`
TXT	`v=spf1 +a +mx +ip4:185.193.66.66 +ip4:194.163.170.67 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.61, 172.67.141.184
		IPv6 hints	2606:4700:3033::ac43:8db8, 2606:4700:3035::6815:213d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`sofia.ns.cloudflare.com`dns@cloudflare.com serial=2411094206

`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=1786627299

⚠️ On DNS blocklist: tif

Previously MX for

lifelineinstruments.com

Same first word

lifelineinstruments.com

DNS History

15 records (7 active, 8 former)

○NSrs51.signtrue.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 08:32:14
○ 2026-08-11 15:39:08
○ 2026-08-13 13:28:12

○NSrs52.signtrue.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 08:32:14
○ 2026-08-11 15:39:08
○ 2026-08-13 13:28:12

●NSsofia.ns.cloudflare.com2026-08-11 → 2026-08-13 · 3 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
● 2026-08-13 13:28:12

●NStom.ns.cloudflare.com2026-08-11 → 2026-08-13 · 3 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
● 2026-08-13 13:28:12

●MX_dc-mx.8a1d38eda561.lifelineinstruments.com2026-08-11 → 2026-08-13 · 3 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
● 2026-08-13 13:28:12

○MXlifelineinstruments.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 08:32:14
○ 2026-08-11 15:39:08
○ 2026-08-13 13:28:12

●A104.21.33.612026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-11 15:39:08
● 2026-08-13 13:28:10
● 2026-08-13 13:28:12

●A172.67.141.1842026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-11 15:39:08
● 2026-08-13 13:28:10
● 2026-08-13 13:28:12

○A188.114.96.02026-08-11 → 2026-08-11 · 4 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
○ 2026-08-13 13:28:10
○ 2026-08-13 13:28:12

○A188.114.97.02026-08-11 → 2026-08-11 · 4 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
○ 2026-08-13 13:28:10
○ 2026-08-13 13:28:12

●A2606:4700:3033::ac43:8db82026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-11 15:39:08
● 2026-08-13 13:28:10
● 2026-08-13 13:28:12

●A2606:4700:3035::6815:213d2026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-11 15:39:08
● 2026-08-13 13:28:10
● 2026-08-13 13:28:12

○A2a06:98c1:3120::2026-08-11 → 2026-08-11 · 4 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
○ 2026-08-13 13:28:10
○ 2026-08-13 13:28:12

○A2a06:98c1:3121::2026-08-11 → 2026-08-11 · 4 obs

○ 2019-12-16 08:32:14
● 2026-08-11 15:39:08
○ 2026-08-13 13:28:10
○ 2026-08-13 13:28:12

○A64.20.51.182019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 08:32:14
○ 2026-08-11 15:39:08
○ 2026-08-13 13:28:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net...	-
lifelineinstruments.com	tom.ns.cloudflare.com, sofia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.223

NS records: tom.ns.cloudflare.com, sofia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lifelineinstruments.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.141.184, 104.21.33.61`
AAAA	2	`2606:4700:3033::ac43:8db8, 2606:4700:3035::6815:213d`
NS	2	`sofia.ns.cloudflare.com, tom.ns.cloudflare.com`
MX	1	`_dc-mx.8a1d38eda561.lifelineinstruments.`
TXT	1	`v=spf1 +a +mx +ip4:185.193.66.66 +ip4:19`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sofia.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tom.ns.cloudflare.com, tom.ns.cloudflare.com, tom.ns.cloudflare.com...)

Analysis

IP Addresses

lifelineinstruments.com resolves to four IP addresses: 104.21.33.61, 172.67.141.184, 2606:4700:3033::ac43:8db8 and 2606:4700:3035::6815:213d.

Among the host names that share IP numbers with lifelineinstruments.com are 81p.ru, ra1.ramasoft.hu, muabangiagoc.com and two others.

Name Servers

Two name servers handle the delegation for lifelineinstruments.com: sofia.ns.cloudflare.com and tom.ns.cloudflare.com.

lifelineinstruments.com has the same name server delegation as a number of other domains, such as d-its.com, mannasel.org, wsj2.com and two more.

lifelineinstruments.com has at least partial name server overlap with other domains, such as distantias.com, dracula-casinos1.com, gripperflowco.click and two others.

These name servers tend to appear together with the name servers kia.ns.cloudflare.com, edna.ns.cloudflare.com and eric.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

sofia.ns.cloudflare.com resolves to 108.162.192.223, 172.64.32.223 and 173.245.58.223 among others, with 3 other IP addresses in total.

tom.ns.cloudflare.com resolves to 108.162.193.147, 172.64.33.147 and 173.245.59.147 among others, with 3 other IP addresses in total.

Mail Servers

lifelineinstruments.com routes its mail through a single mail server, _dc-mx.8a1d38eda561.lifelineinstruments.com.

_dc-mx.8a1d38eda561.lifelineinstruments.com carries a single IP number, which is 185.193.66.66.

lifelineinstruments.com - robtex.com