mail.codeblog.de - dns.ninja

`mail.codeblog.de`

DNSSEC	⚠️ Not signed
A	91.233.87.21^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
		PTR	`mx1bln1.prossl.de`

`codeblog.de`

	DNSSEC	⚠️ Not signed
	A	91.233.84.253^{🇩🇪 IPB91.233.84.0/22 -1blu-PI}
	NS	`ns1.w3w.de` ⭐
	NS	`ns2.w3w.info`
	NS	`ns3.w3w.de`
	NS	`ns4.w3w.info`
	NS	`ns5.w3w.de`
	MX	`mail.codeblog.de` ⭐
	TXT	`v=spf1 a mx ip4:91.233.84.0/22 ~all`
	SOA	`ns1.w3w.de`dnsmaster@prodns.de 2021-01-28 #1

MX for

codeblog.de

Same first word

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DNS History

1 record (1 active, 0 former)

●A91.233.87.212015-07-19 → 2026-08-12 · 2 obs

● 2015-07-19 04:13:30
● 2026-08-12 19:08:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, z.nic.de, f.nic.de	-
codeblog.de	ns2.w3w.info, ns4.w3w.info, ns3.w3w.de, ns1.w3w.de...	3 records

✅ Authoritative Response

Server:76.223.81.191

NS records: ns2.w3w.info, ns4.w3w.info, ns3.w3w.de, ns1.w3w.de, ns5.w3w.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeblog.de (unsigned zone)

⏱️ Timing

Total: 1101ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.233.87.21`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns5.w3w.de, ns3.w3w.de, ns1.w3w.de)

Analysis

Mail Server Role

mail.codeblog.de serves as a mail server for codeblog.de.

IP Addresses

mail.codeblog.de points to a single IP number: 91.233.87.21.

Additional host names — mail.nettrax.de, mail.ceylon.ch, mail.geheiratet.com and two others — share IP numbers with mail.codeblog.de.