operator-school.com - dns.ninja

`operator-school.com`

DNSSEC	⚠️ Not signed
A	52.72.163.75^{🇺🇸 Amazon52.72.0.0/15 EC2 IAD prefix}
		PTR	`ec2-52-72-163-75.compute-1.amazonaws.com`
A	54.225.34.101^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
NS	`ns-1720.awsdns-23.co.uk` ⭐
		A	2600:9000:5306:b800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1720.awsdns-23.co.uk`
		A	205.251.198.184^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1720.awsdns-23.co.uk`
NS	`ns-1375.awsdns-43.org`
		A	2600:9000:5305:5f00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1375.awsdns-43.org`
		A	205.251.197.95^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1375.awsdns-43.org`
NS	`ns-252.awsdns-31.com`
		A	2600:9000:5300:fc00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-252.awsdns-31.com`
		A	205.251.192.252^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-252.awsdns-31.com`
NS	`ns-648.awsdns-17.net`
		A	2600:9000:5302:8800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-648.awsdns-17.net`
		A	205.251.194.136^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-648.awsdns-17.net`
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
		A	184.106.54.1^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	108.166.43.2^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx2.emailsrvr.com`
		A	146.20.161.2^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx2.emailsrvr.com`
		A	173.203.187.2^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx2.emailsrvr.com`
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`( "_globalsign-domain-verification=z_5-iqqK"`
TXT	`( "google-site-verification=2CsF6AhntBH-ybqZsHvJQE1dCQVSPx72N2W9eNP6np0"`
TXT	`MS=ms56222394`
TXT	`"6HCOwXrQLgGmAgRbmghDm9Sy0yWXGTvWVd")`
TXT	`"fKo_3TrBhaYYG9OFwF6QHNVOM7U0")`
TXT	`v=spf1 include:_spf.google.com include:emailsrvr.com include:spf.protection.o...`
SOA	`ns-1720.awsdns-23.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=1785161917

Same first word

operator-school.net

operator-school.com

DNS History

21 records (8 active, 13 former)

●NSns-1375.awsdns-43.org2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

●NSns-1720.awsdns-23.co.uk2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

●NSns-252.awsdns-31.com2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

●NSns-648.awsdns-17.net2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

○NSns1.operator-school.com2015-08-10 → 2017-03-24 · 4 obs

● 2015-08-10 17:34:32
● 2017-03-24 16:27:28
○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

○NSns2.operator-school.com2015-08-10 → 2017-03-24 · 4 obs

● 2015-08-10 17:34:32
● 2017-03-24 16:27:28
○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

○MXmail.operator-school.com2015-08-10 → 2017-03-24 · 4 obs

● 2015-08-10 17:34:32
● 2017-03-24 16:27:28
○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

●MXmx1.emailsrvr.com2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

●MXmx2.emailsrvr.com2026-03-15 → 2026-07-27 · 3 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-07-27 14:46:20

○A100.51.86.1722026-03-15 → 2026-03-16 · 5 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
● 2026-03-16 23:16:12
○ 2026-06-07 15:00:52
○ 2026-07-27 14:46:20

○A13.223.120.2532026-03-15 → 2026-07-27 · 2 obs

○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

○A18.213.70.1632026-07-02 → 2026-07-02 · 3 obs

○ 2026-06-07 15:00:52
● 2026-07-02 19:02:46
○ 2026-07-27 14:46:20

○A192.163.254.832015-08-10 → 2017-03-24 · 4 obs

● 2015-08-10 17:34:32
● 2017-03-24 16:27:28
○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

○A34.196.206.1842026-07-02 → 2026-07-02 · 3 obs

○ 2026-06-07 15:00:52
● 2026-07-02 19:02:46
○ 2026-07-27 14:46:20

○A44.199.71.862026-03-15 → 2026-03-15 · 4 obs

○ 2017-03-24 16:27:28
● 2026-03-15 03:52:12
○ 2026-03-16 23:16:12
○ 2026-07-27 14:46:20

○A44.217.239.1272026-06-07 → 2026-06-07 · 4 obs

○ 2026-03-16 23:16:12
● 2026-06-07 15:00:52
○ 2026-07-02 19:02:46
○ 2026-07-27 14:46:20

●A52.72.163.752026-07-27 → 2026-07-27 · 2 obs

○ 2026-07-02 19:02:46
● 2026-07-27 14:46:20

○A52.86.132.2112026-03-15 → 2026-07-27 · 2 obs

○ 2026-03-15 03:52:12
○ 2026-07-27 14:46:20

○A54.164.11.1072026-06-07 → 2026-06-07 · 4 obs

○ 2026-03-16 23:16:12
● 2026-06-07 15:00:52
○ 2026-07-02 19:02:46
○ 2026-07-27 14:46:20

●A54.225.34.1012026-07-27 → 2026-07-27 · 2 obs

○ 2026-07-02 19:02:46
● 2026-07-27 14:46:20

○A98.87.249.72026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-15 03:52:12
● 2026-03-16 23:16:12
○ 2026-06-07 15:00:52
○ 2026-07-27 14:46:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
operator-school.com	ns-252.awsdns-31.com, ns-648.awsdns-17.net, ns-1720.awsdns-23.co.uk, ns-1375.awsdns-43.org	2 records

✅ Authoritative Response

Server:205.251.192.252

NS records: ns-252.awsdns-31.com, ns-648.awsdns-17.net, ns-1720.awsdns-23.co.uk, ns-1375.awsdns-43.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for operator-school.com (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.225.34.101, 52.72.163.75`
NS	4	`ns-1375.awsdns-43.org, ns-1720.awsdns-23.co.uk...`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	6	`( "_globalsign-domain-verification=z_5-i, ( "google-site-verification=2CsF6AhntBH-...`
SOA	1	`ns-1720.awsdns-23.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-252.awsdns-31.com, ns-252.awsdns-31.com)

Analysis

IP Addresses

operator-school.com has two IP addresses: 52.72.163.75 and 54.225.34.101

Name Servers

The authoritative name servers for operator-school.com are ns-252.awsdns-31.com, ns-648.awsdns-17.net, ns-1375.awsdns-43.org and ns-1720.awsdns-23.co.uk.

The name servers of operator-school.com overlap at least partially with those of other domains — among them one21experience.info, londontimes.asia, gpssat.com.br and two more.

Each of the four hosts ns-252.awsdns-31.com, ns-648.awsdns-17.net, ns-1375.awsdns-43.org and ns-1720.awsdns-23.co.uk has two IP addresses. ns-252.awsdns-31.com points to 205.251.192.252 and 2600:9000:5300:fc00::1. ns-648.awsdns-17.net points to 205.251.194.136 and 2600:9000:5302:8800::1. ns-1375.awsdns-43.org points to 205.251.197.95 and 2600:9000:5305:5f00::1. ns-1720.awsdns-23.co.uk points to 205.251.198.184 and 2600:9000:5306:b800::1.

Mail Servers

Mail for operator-school.com is handled by two mail servers — mx1.emailsrvr.com and mx2.emailsrvr.com.

operator-school.com uses an identical mail server configuration to several other domains — among them flowerpatch.com, mycpsrvr.com, sameplace.com and two more.

operator-school.com has at least partial mail server overlap with other domains such as simclient.com, columbiacontainerservices.com, strandrx.com and two more.

Each of the hosts mx1.emailsrvr.com and mx2.emailsrvr.com has four IP addresses: mx1.emailsrvr.com points to 108.166.43.1, 146.20.161.1, 173.203.187.1 and 184.106.54.1, and mx2.emailsrvr.com points to 108.166.43.2, 146.20.161.2, 173.203.187.2 and 184.106.54.2.