`calibrationmonitor.com`

DNSSEC	⚠️ Not signed
A	3.215.251.135^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-215-251-135.compute-1.amazonaws.com`
NS	`ns-1949.awsdns-51.co.uk` ⭐
		A	2600:9000:5307:9d00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1949.awsdns-51.co.uk`
		A	205.251.199.157^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1949.awsdns-51.co.uk`
NS	`ns-1134.awsdns-13.org`
		A	2600:9000:5304:6e00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1134.awsdns-13.org`
		A	205.251.196.110^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1134.awsdns-13.org`
NS	`ns-284.awsdns-35.com`
		A	2600:9000:5301:1c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-284.awsdns-35.com`
		A	205.251.193.28^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-284.awsdns-35.com`
NS	`ns-576.awsdns-08.net`
		A	2600:9000:5302:4000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-576.awsdns-08.net`
		A	205.251.194.64^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-576.awsdns-08.net`
SOA	`ns-1949.awsdns-51.co.uk`awsdns-hostmaster@amazon.com 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

Same first word

calibrationmonitor.com

Similar names

monitorcalibration.com

DNS History

5 records (5 active, 0 former)

●NSns-1134.awsdns-13.org2026-03-17 → 2026-03-24 · 2 obs

● 2026-03-17 15:18:36
● 2026-03-24 09:38:36

●NSns-1949.awsdns-51.co.uk2026-03-17 → 2026-03-24 · 2 obs

● 2026-03-17 15:18:36
● 2026-03-24 09:38:36

●NSns-284.awsdns-35.com2026-03-17 → 2026-03-24 · 2 obs

● 2026-03-17 15:18:36
● 2026-03-24 09:38:36

●NSns-576.awsdns-08.net2026-03-17 → 2026-03-24 · 2 obs

● 2026-03-17 15:18:36
● 2026-03-24 09:38:36

●A3.215.251.1352026-03-17 → 2026-03-24 · 2 obs

● 2026-03-17 15:18:36
● 2026-03-24 09:38:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
calibrationmonitor.com	ns-576.awsdns-08.net, ns-284.awsdns-35.com, ns-1134.awsdns-13.org, ns-1949.awsdns-51.co.uk	1 record

✅ Authoritative Response

Server:205.251.199.157

NS records: ns-576.awsdns-08.net, ns-284.awsdns-35.com, ns-1134.awsdns-13.org, ns-1949.awsdns-51.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calibrationmonitor.com (unsigned zone)

⏱️ Timing

Total: 326ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.215.251.135`
NS	4	`ns-1134.awsdns-13.org, ns-1949.awsdns-51.co.uk...`
SOA	1	`ns-1949.awsdns-51.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-284.awsdns-35.com)

Analysis

IP Addresses

calibrationmonitor.com points to a single IP number: 3.215.251.135.

Name Servers

calibrationmonitor.com is delegated to four name servers: ns-284.awsdns-35.com, ns-576.awsdns-08.net, ns-1134.awsdns-13.org and ns-1949.awsdns-51.co.uk.

calibrationmonitor.com shares name servers with other domains at least partially, for instance creatingleaders.net, sunstone208.com, totalpatches.com, freenewtabextensions.com and google-developers.com.

these name servers are often used with ns-488.awsdns-61.com, ns-782.awsdns-33.net and ns-1851.awsdns-39.co.uk.

Host names with two IP numbers:

ns-284.awsdns-35.com resolves to 2600:9000:5301:1c00::1 and 205.251.193.28.

ns-576.awsdns-08.net resolves to 2600:9000:5302:4000::1 and 205.251.194.64.

ns-1134.awsdns-13.org resolves to 2600:9000:5304:6e00::1 and 205.251.196.110.

ns-1949.awsdns-51.co.uk resolves to 2600:9000:5307:9d00::1 and 205.251.199.157.

calibrationmonitor.com - robtex.com