🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.linux-tutorial.org`

DNSSEC	⚠️ Not signed
A	37.27.38.71^{🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC}
		PTR	`static.71.38.27.37.clients.your-server.de`

`linux-tutorial.org`

	DNSSEC	⚠️ Not signed
	A	37.27.38.71^{🇫🇮 Hetzner37.27.0.0/16 HETZNER-DC}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`mail.linux-tutorial.org` ⭐
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-04-29 #5

MX for

linux-tutorial.org

Same first word

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Previous names

Next names

DNS History

5 records (1 active, 4 former)

○NSns1.sedoparking.com2015-09-02 → 2016-04-12 · 4 obs

● 2015-09-02 11:09:18
● 2016-04-12 09:59:20
○ 2026-08-26 06:33:34
○ 2026-09-02 09:37:06

○NSns2.sedoparking.com2015-09-02 → 2016-04-12 · 4 obs

● 2015-09-02 11:09:18
● 2016-04-12 09:59:20
○ 2026-08-26 06:33:34
○ 2026-09-02 09:37:06

○MXmail.nickstel.com2015-09-02 → 2016-04-12 · 4 obs

● 2015-09-02 11:09:18
● 2016-04-12 09:59:20
○ 2026-08-26 06:33:34
○ 2026-09-02 09:37:06

●A37.27.38.712026-08-26 → 2026-09-02 · 3 obs

○ 2016-04-12 09:59:20
● 2026-08-26 06:33:34
● 2026-09-02 09:37:06

○A72.52.4.912015-09-02 → 2016-04-12 · 4 obs

● 2015-09-02 11:09:18
● 2016-04-12 09:59:20
○ 2026-08-26 06:33:34
○ 2026-09-02 09:37:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
linux-tutorial.org	ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com	-

✅ Authoritative Response

Server:193.47.99.3

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-tutorial.org (unsigned zone)

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.27.38.71`

Analysis

Mail Server Role

Mail for linux-tutorial.org is routed through the mail server mail.linux-tutorial.org.

IP Addresses

mail.linux-tutorial.org has exactly one IP address — 37.27.38.71.

Other host names — linux-tutorial.info, jimmo.com, linux-tutorial.org and www.jimmo.com — share IP numbers with mail.linux-tutorial.org.

mail.linux-tutorial.org - robtex.com