`calibrationledger.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4e6^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8494^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.230^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.148^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`lochlan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lochlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lochlan.ns.cloudflare.com`
		A	108.162.195.234^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	162.159.44.234^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	172.64.35.234^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		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`⁽⁹⁵⁾
		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`
MX	`route3.mx.cloudflare.net`⁽⁹⁷⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.230, 172.67.132.148
		IPv6 hints	2606:4700:3032::6815:4e6, 2606:4700:3034::ac43:8494
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=197, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2402987364

`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=1782068425

⚠️ On DNS blocklist: tif

Subdomains

www.calibrationledger.com

Same first word

calibrationledger.com

DNS History

9 records (9 active, 0 former)

●NSamanda.ns.cloudflare.com2026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●NSlochlan.ns.cloudflare.com2026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●MXroute1.mx.cloudflare.net2026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●MXroute2.mx.cloudflare.net2026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●MXroute3.mx.cloudflare.net2026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●A104.21.4.2302026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●A172.67.132.1482026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●A2606:4700:3032::6815:4e62026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

●A2606:4700:3034::ac43:84942026-05-23 → 2026-06-21 · 2 obs

● 2026-05-23 10:20:44
● 2026-06-21 19:11:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calibrationledger.com	amanda.ns.cloudflare.com, lochlan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.63

NS records: amanda.ns.cloudflare.com, lochlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calibrationledger.com (unsigned zone)

⏱️ Timing

Total: 1289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.4.230, 172.67.132.148`
AAAA	2	`2606:4700:3034::ac43:8494, 2606:4700:3032::6815:4e6`
NS	2	`amanda.ns.cloudflare.com, lochlan.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 56), route1.mx.cloudflare.net (pri: 95)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.calibrationledger.com is delegated beneath calibrationledger.com.

IP Addresses

calibrationledger.com points to the four IP addresses 104.21.4.230, 172.67.132.148, 2606:4700:3032::6815:4e6 and 2606:4700:3034::ac43:8494.

connexstudio.click, fluorescentinc.com, rtpcengli88.info plus two other host names have IP numbers in common with calibrationledger.com.

Name Servers

The NS records for calibrationledger.com delegate to amanda.ns.cloudflare.com and lochlan.ns.cloudflare.com.

The name server configuration of calibrationledger.com is shared with other domains, for instance stayprogram.best, readinglist.school, mypregnancyweek.com and two others.

There is at least partial name server overlap between calibrationledger.com and other domains — insuranceinspain.es, foursouls.com, sz214.com and two more among them.

These name servers are routinely deployed together with the name servers colin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

amanda.ns.cloudflare.com maps to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 additional IP addresses.

lochlan.ns.cloudflare.com maps to 108.162.195.234, 162.159.44.234, 172.64.35.234 and 3 additional IP addresses.

Mail Servers

Incoming mail for calibrationledger.com is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by calibrationledger.com are shared with other domains: elevenstudio.co.za, musiquesrivegaucheparis.fr, mkjm.org and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

calibrationledger.com - robtex.com