`mail.sid-journalistenschule.de`

DNSSEC	⚠️ Not signed
A	2a02:17f8:9001:1600::178^{🇩🇪 HAENDLEKORTE-AS2a02:17f8::/32 Haendle & Korte GmbH Duesseldorf}
		PTR	`web15.hk-net.de`
A	88.151.64.178^{🇩🇪 HAENDLEKORTE-AS88.151.64.0/21 Haendle & Korte GmbH}

`sid-journalistenschule.de`

	DNSSEC	⚠️ Not signed
	A	2a02:17f8:9001:1600::179^{🇩🇪 HAENDLEKORTE-AS2a02:17f8::/32 Haendle & Korte GmbH Duesseldorf}
	A	88.151.64.179^{🇩🇪 HAENDLEKORTE-AS88.151.64.0/21 Haendle & Korte GmbH}
	NS	`ns1.hk-net.de` ⭐
	NS	`ns2.hk-net.de`
	MX	`mail.sid-journalistenschule.de` ⭐
	TXT	`v=spf1 +a +mx +a:web15.hk-net.de -all`
	SOA	`ns1.hk-net.de`admin@hk-net.de 2021-05-26 #1

MX for

sid-journalistenschule.de

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DNS History

2 records (2 active, 0 former)

●A2a02:17f8:9001:1600::1782026-02-19 → 2026-04-14 · 2 obs

● 2026-02-19 20:43:18
● 2026-04-14 04:36:46

●A88.151.64.1782026-02-19 → 2026-04-14 · 2 obs

● 2026-02-19 20:43:18
● 2026-04-14 04:36:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
sid-journalistenschule.de	ns1.hk-net.de, ns2.hk-net.de	4 records

✅ Authoritative Response

Server:88.151.70.154

NS records: ns1.hk-net.de, ns2.hk-net.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sid-journalistenschule.de (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.151.64.178`
AAAA	1	`2a02:17f8:9001:1600::178`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.hk-net.de, ns2.hk-net.de, ns1.hk-net.de...)

Analysis

Mail Server Role

mail.sid-journalistenschule.de serves as the mail server for sid-journalistenschule.de.

IP Addresses

mail.sid-journalistenschule.de points to two IPs: 2a02:17f8:9001:1600::178 and 88.151.64.178.

Other host names including mail.dac-store.de, mail.markrossman.com, mail.konkrethik.tv, mail.sid-sportjournalistenschule.de and mail.roadsterfahren.de share IP numbers with mail.sid-journalistenschule.de.

mail.sid-journalistenschule.de - robtex.com