`mail.irup.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:212:4381::bc28:28d2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`irup.de`
A	188.40.40.210^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}

`irup.de`

	DNSSEC	⚠️ Not signed
	A	2a01:4f8:212:4381::bc28:28d2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	188.40.40.210^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
	NS	`ns1.your-server.de` ⭐
	NS	`ns.second-ns.com`
	NS	`ns3.second-ns.de`
	MX	`mail4.irup.de` ⭐
	MX	`mail6.irup.de`⁽²⁰⁾
	MX	`mail.irup.de`⁽³⁰⁾
	TXT	`v=spf1 +a +mx +ip4:188.40.40.210 +ip6:2a01:4f8:212:4381::bc28:28d2 ~all`
	SOA	`ns1.your-server.de`postmaster@your-server.de 2026-01-08 #0

MX for

rueckle.net

irup.de

Same first word

mail.myshopify.com

mail.123hjemmeside.dk

mail.gov.ps

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

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mail.veterinaire.fr

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mail.dnsalias.com

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DNS History

3 records (2 active, 1 former)

●A188.40.40.2102015-05-07 → 2026-04-13 · 2 obs

● 2015-05-07 12:35:42
● 2026-04-13 05:55:16

○A2a01:4f8:100:1466::bc28:28d22015-05-07 → 2016-09-24 · 4 obs

● 2015-05-07 12:35:42
● 2016-09-24 18:36:42
○ 2026-02-27 17:47:28
○ 2026-04-13 05:55:16

●A2a01:4f8:212:4381::bc28:28d22026-02-27 → 2026-04-13 · 3 obs

○ 2016-09-24 18:36:42
● 2026-02-27 17:47:28
● 2026-04-13 05:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
irup.de	ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de	4 records

✅ Authoritative Response

Server:193.47.99.4

NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for irup.de (unsigned zone)

⏱️ Timing

Total: 1316ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.40.210`
AAAA	1	`2a01:4f8:212:4381::bc28:28d2`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.your-server.de, ns3.second-ns.de, ns1.your-server.de...)

Analysis

Mail Server Role

mail.irup.de serves as the mail server for rueckle.net and irup.de.

mail.arulabs.com, mail4.irup.de and mail6.irup.de are commonly used as mail servers alongside mail.irup.de.

IP Addresses

mail.irup.de resolves to two IP numbers: 2a01:4f8:212:4381::bc28:28d2 and 188.40.40.210.

Other host names, for instance mail6.irup.de, irup.de, *.irup.de and mail4.irup.de share IP numbers with mail.irup.de.

mail.irup.de - robtex.com

mail.irup.de

irup.de