`mx2.kolb-eld.de`

DNSSEC	⚠️ Not signed
A	87.128.16.21^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`mx2.kolb-eld.com`

`kolb-eld.de`

	DNSSEC	⚠️ Not signed
	A	2001:8d8:100f:f000::2e0^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
	A	217.160.0.67^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
	NS	`ns1039.ui-dns.de` ⭐
	NS	`ns1039.ui-dns.biz`
	NS	`ns1039.ui-dns.com`
	NS	`ns1039.ui-dns.org`
	MX	`kolbeld-de01b.mail.protection.outlook.com` ⭐
	MX	`mx01.kundenserver.de`⁽¹⁰⁾
	MX	`mx00.kundenserver.de`⁽²¹⁾
	MX	`mx.kolb-eld.de`⁽¹¹⁰⁾
	MX	`mx2.kolb-eld.de`⁽¹¹⁰⁰⁾
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`v=verifydomain MS=7227490`
	SOA	`ns1039.ui-dns.de`hostmaster@kundenserver.de 2016-09-04 #14

MX for

kolb-eld.de

Same first word

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DNS History

1 record (1 active, 0 former)

●A87.128.16.212026-02-27 → 2026-04-13 · 2 obs

● 2026-02-27 15:22:22
● 2026-04-13 09:43:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
kolb-eld.de	ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.de, ns1039.ui-dns.com	-

✅ Authoritative Response

Server:217.160.80.39

NS records: ns1039.ui-dns.biz, ns1039.ui-dns.org, ns1039.ui-dns.de, ns1039.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kolb-eld.de (unsigned zone)

⏱️ Timing

Total: 866ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.128.16.21`

Analysis

Mail Server Role

mx2.kolb-eld.de acts as a mail server for kolb-eld.de.

mx.kolb-eld.de, mx00.kundenserver.de and mx01.kundenserver.de are commonly used as mail servers together with mx2.kolb-eld.de.

IP Addresses

mx2.kolb-eld.de points to a single IP number: 87.128.16.21.

Other host names, for instance mx2.kolb-eld.com, share IP numbers with mx2.kolb-eld.de.

mx2.kolb-eld.de - robtex.com

mx2.kolb-eld.de

kolb-eld.de