`smtp1.campuslinux.org`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:c2c:df5b::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	49.12.201.204^{🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC}

`campuslinux.org`

	DNSSEC	⚠️ Not signed
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`smtp1.campuslinux.org` ⭐
	SOA	`ns1.first-ns.de`dns@hetzner.com 2024-02-26 #0

MX for

campuslinux.org

Same first word

smtp1.jele.io

smtp1.gov.rs

smtp1.ru

smtp1.com

smtp1.us.com

smtp1.kinghost.net

smtp1.org

smtp1.eu

smtp1.gov.ee

smtp1.selfip.net

smtp1.edu.ee

smtp1.hu

smtp1.net

smtp1.in

Similar names

mtsp1.com

1stpm.com

1stpm.org

p1smt.com

smpt1.ws

mtsp1.cc

mp1st.com

tpms1.com

1smtp.ru

1stpm.net

1smtp.com

stmp1.com

DNS History

2 records (2 active, 0 former)

●A2a01:4f8:c2c:df5b::22026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 08:56:48
● 2026-04-11 18:08:30

●A49.12.201.2042026-03-30 → 2026-04-11 · 2 obs

● 2026-03-30 08:56:48
● 2026-04-11 18:08:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:213.133.100.103

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for campuslinux.org (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.12.201.204`
AAAA	1	`2a01:4f8:c2c:df5b::2`

Analysis

Mail Server Role

smtp1.campuslinux.org serves as the mail server for campuslinux.org.

IP Addresses

smtp1.campuslinux.org points to two IP numbers: 2a01:4f8:c2c:df5b::2 and 49.12.201.204.

Other host names, for instance static.204.201.12.49.clients.your-server.de, share IP numbers with smtp1.campuslinux.org.

smtp1.campuslinux.org - robtex.com