`mail.johschool.com`

DNSSEC	⚠️ Not signed
A	146.0.43.36^{🇩🇪 MYLOC-AS146.0.32.0/20 myLoc managed IT AG}
		PTR	`al080.albit.dedi.server-hosting.expert`

`johschool.com`

	DNSSEC	⚠️ Not signed
	A	146.0.43.36^{🇩🇪 MYLOC-AS146.0.32.0/20 myLoc managed IT AG}
	NS	`knuth.ihsdns.com` ⭐
	NS	`dijkstra.ihsdns.com`
	MX	`mail.johschool.com` ⭐
	SOA	`knuth.ihsdns.com`dnsadmin@ihs.com.tr 2019-07-01 #0

MX for

johschool.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A146.0.43.362026-02-26 → 2026-03-27 · 3 obs

○ 2016-04-03 14:48:10
● 2026-02-26 00:13:42
● 2026-03-27 07:53:26

○A77.245.144.2412015-05-23 → 2016-04-03 · 4 obs

● 2015-05-23 10:48:46
● 2016-04-03 14:48:10
○ 2026-02-26 00:13:42
○ 2026-03-27 07:53:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
johschool.com	knuth.ihsdns.com, dijkstra.ihsdns.com	2 records

✅ Authoritative Response

Server:94.138.196.9

NS records: knuth.ihsdns.com, dijkstra.ihsdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johschool.com (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`146.0.43.36`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (knuth.ihsdns.com, dijkstra.ihsdns.com)

Analysis

Mail Server Role

mail.johschool.com is the mail server for johschool.com.

IP Addresses

mail.johschool.com resolves to one IP number: 146.0.43.36.

other host names including isorej.com, asosjournal.com, www.javstudies.com, smartofjournal.com and tjdn.org share IP numbers with mail.johschool.com.

mail.johschool.com - robtex.com