`mail.gcstraining.net`

DNSSEC	⚠️ Not signed
A	91.195.240.13^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`a.ns36.de` ⭐ ⚠️ Not in parent delegation
		A	91.195.241.7^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`b.ns36.de` ⚠️ Not in parent delegation
		A	91.195.240.7^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`mailgw.ns36.de` ⭐
		A	127.0.0.1
TXT	`e634cf1e960ac7e5cde4212a4a29b1ce75df1ed6`
TXT	`21556230fb6a360491772fa5f030eb6feb9d1ed6`
TXT	`7f21703567123f292fc33bcd8b423a13a84e1ed6`
TXT	`6c6e418c765ac0a5c10537510edd974f3d7f1ed6`
TXT	`439c0ee4348739ea7626742a6792a22d5e591ed6`
TXT	`c918b20f17f76c05b6201f96041400ae30961ed6`
TXT	`90b7aa6b8732a6a15bf07c4977c4fdf86d5d1ed6`
TXT	`cc6f7a0c9e3158b8a0645768cd49b799fc351ed6`
TXT	`08c37d6574fd00b343c9445dc2cb1f3325d31ed6`
TXT	`270899242ada1b75144af47dca59b063cb2a1ed6`
TXT	`af17d09e66919552cd74a3e470251fd48f361ed6`
TXT	`c60abcce18c4ce9db211e21105d61347bf061ed6`
TXT	`50ae14d8170e634a63f2d2bd7a249075310d1ed6`
TXT	`ae7c699c2a0020fa394c996db9f7eeb3d66f1ed6`
TXT	`3db6448314c104d9d7f89a72f73857cb370b1ed6`
TXT	`08e62ff0f8bd2c67322937afccb7db55d10f1ed6`
TXT	`4c5eefe16cc7b8ffd68b2ac61b49ea70c21f1ed6`
SOA	`a.ns36.de`hostmaster@ns36.de 2018-07-06 #1

`gcstraining.net`

	DNSSEC	⚠️ Not signed
	A	91.195.240.13^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
	NS	`a.ns36.de` ⭐
	NS	`b.ns36.de`
	MX	`mailgw.ns36.de` ⭐
	TXT	`21556230fb6a360491772fa5f030eb6feb9d1ed6`
	TXT	`cc6f7a0c9e3158b8a0645768cd49b799fc351ed6`
	TXT	`6c6e418c765ac0a5c10537510edd974f3d7f1ed6`
	TXT	`50ae14d8170e634a63f2d2bd7a249075310d1ed6`
	TXT	`90b7aa6b8732a6a15bf07c4977c4fdf86d5d1ed6`
	TXT	`e634cf1e960ac7e5cde4212a4a29b1ce75df1ed6`
	TXT	`7f21703567123f292fc33bcd8b423a13a84e1ed6`
	TXT	`c918b20f17f76c05b6201f96041400ae30961ed6`
	TXT	`439c0ee4348739ea7626742a6792a22d5e591ed6`
	TXT	`c60abcce18c4ce9db211e21105d61347bf061ed6`
	TXT	`4c5eefe16cc7b8ffd68b2ac61b49ea70c21f1ed6`
	TXT	`08e62ff0f8bd2c67322937afccb7db55d10f1ed6`
	TXT	`270899242ada1b75144af47dca59b063cb2a1ed6`
	TXT	`ae7c699c2a0020fa394c996db9f7eeb3d66f1ed6`
	TXT	`08c37d6574fd00b343c9445dc2cb1f3325d31ed6`
	TXT	`3db6448314c104d9d7f89a72f73857cb370b1ed6`
	TXT	`af17d09e66919552cd74a3e470251fd48f361ed6`
	SOA	`a.ns36.de`hostmaster@ns36.de 2018-07-06 #1

Previously MX for

gcstraining.net

Same first word

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

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mail.gov.gd

mail.brasilia.me

mail.hopto.me

mail.pn

mail.panel.dev

mail.gov.il

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mail.pa

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DNS History

5 records (4 active, 1 former)

●NSa.ns36.de2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 21:04:46

●NSb.ns36.de2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 21:04:46

●MXmailgw.ns36.de2026-04-12 → 2026-04-12 · 1 obs

● 2026-04-12 21:04:46

○A103.254.137.342017-01-05 → 2017-01-05 · 2 obs

● 2017-01-05 04:48:40
○ 2026-04-12 21:04:46

●A91.195.240.132026-04-12 → 2026-04-12 · 2 obs

○ 2017-01-05 04:48:40
● 2026-04-12 21:04:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
gcstraining.net	a.ns36.de, b.ns36.de	-

✅ Authoritative Response

Server:91.195.241.7

NS records: a.ns36.de, b.ns36.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcstraining.net (unsigned zone)

⏱️ Timing

Total: 589ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.240.13`
NS	2	`a.ns36.de, b.ns36.de`
MX	1	`mailgw.ns36.de (pri: 10)`
TXT	17	`21556230fb6a360491772fa5f030eb6feb9d1ed6, 3db6448314c104d9d7f89a72f73857cb370b1ed6...`
SOA	1	`a.ns36.de hostmaster.ns36.de`

Analysis

IP Addresses

mail.gcstraining.net resolves to one IP number: 91.195.240.13.

other host names including pdfoffice.com, mairi.name, meb4.com, matratze-online.biz and houseandgarden.tv share IP numbers with mail.gcstraining.net.

Name Servers

mail.gcstraining.net is delegated to two name servers a.ns36.de and b.ns36.de.

mail.gcstraining.net shares the same name server setup as other domains, for instance ddc-dev.com, www.mba-lazard.com, laboratoriomdt.com, makusaservices.com and fonekt.de.

mail.gcstraining.net shares name servers with other domains at least partially, for example aice.de and torahohrboca.com.

Host names with one IP number:

a.ns36.de points to 91.195.241.7

b.ns36.de points to 91.195.240.7

Mail Servers

mail.gcstraining.net is handled by a single mail server, mailgw.ns36.de.

mail.gcstraining.net shares the same mail server setup as other domains, for instance ispacom.com, dns2.e-ticaretyazilimlari.com, wwm-gfa.org, technical-garden.com and guenstig-autoteile.de.

mailgw.ns36.de resolves to IP 127.0.0.1.

mail.gcstraining.net - robtex.com