mail.codexx.de - dns.ninja

`mail.codexx.de`

CNAME	`serenity.codexx.de`
DNSSEC	⚠️ Not signed
A	212.122.132.30^{🇩🇪 PURTEL-AS212.122.128.0/19}
MX	`nierkamp-de.p10.spamhero.com` ⭐
		A	108.166.161.244^{🇺🇸 COREXCHANGE-AS108.166.160.0/19 CoreXchange 1950 Stemmons Frwy Suite 4006 Dallas, TX 75207}
		A	209.41.68.190^{🇺🇸 DATABANK209.41.68.0/24}
			PTR	`bolt102b.mxthunder.net`
MX	`nierkamp-de.p20.spamhero.net`⁽²⁰⁾
		A	209.41.68.190^{🇺🇸 DATABANK209.41.68.0/24}
			PTR	`bolt102b.mxthunder.net`
MX	`nierkamp-de.p30.spamhero.net`⁽³⁰⁾
		A	108.166.161.244^{🇺🇸 COREXCHANGE-AS108.166.160.0/19 CoreXchange 1950 Stemmons Frwy Suite 4006 Dallas, TX 75207}
TXT	`v=spf1 mx ip4:87.191.156.146 ip4:212.122.132.30 ~all`

`codexx.de`

	DNSSEC	⚠️ Not signed
	A	212.122.132.30^{🇩🇪 PURTEL-AS212.122.128.0/19}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com`
	MX	`nierkamp-de.p10.spamhero.com` ⭐
	MX	`nierkamp-de.p20.spamhero.net`⁽²⁰⁾
	MX	`nierkamp-de.p30.spamhero.net`⁽³⁰⁾
	MX	`nierkamp-de.p40.spamhero.net`⁽⁴⁰⁾
	TXT	`v=spf1 mx ip4:87.191.156.146 ip4:212.122.132.30 ~all`
	TXT	`v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTHwGcyP4N0QxXhfVmuizq62HvqN...`
	TXT	`v=DMARC1; p=reject; pct=100; adkim=s; aspf=s`
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-05-23 #1

Previously MX for

codexx.de

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DNS History

3 records (1 active, 2 former)

○A45.64.113.542015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 07:21:10
○ 2026-07-30 04:34:30
○ 2026-07-30 04:34:34

○A46.4.100.2002015-07-10 → 2016-07-09 · 4 obs

● 2015-07-10 07:21:10
● 2016-07-09 21:40:48
○ 2026-07-30 04:34:30
○ 2026-07-30 04:34:34

●CNAMEserenity.codexx.de2026-07-30 → 2026-07-30 · 2 obs

● 2026-07-30 04:34:30
● 2026-07-30 04:34:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
codexx.de	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 codexx.de (unsigned zone)

⏱️ Timing

Total: 1307ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`serenity.codexx.de`

Analysis

IP Addresses

mail.codexx.de directs to one IP number, which is 212.122.132.30.

Among the host names that share IP numbers with mail.codexx.de are nierkamp.de, codexx.de, lvreutlingen.de and two others.

Mail Servers

The MX records for mail.codexx.de list three mail servers: nierkamp-de.p10.spamhero.com, nierkamp-de.p20.spamhero.net and nierkamp-de.p30.spamhero.net.

mail.codexx.de shares at least some of its mail servers with other domains — for example serenity.codexx.de, liebliches-feld.net, lvr-intern.de and two more.

It is common to find these mail servers paired with the mail servers nierkamp-de.p40.spamhero.net.

Hosts with two IP numbers each:

nierkamp-de.p10.spamhero.com resolves to 108.166.161.244 and 209.41.68.190.

Hosts that resolve to one IP address:

nierkamp-de.p20.spamhero.net resolves to 209.41.68.190.

nierkamp-de.p30.spamhero.net resolves to 108.166.161.244.

The host names nierkamp-de.p10.spamhero.com and nierkamp-de.p30.spamhero.net both resolve to 108.166.161.244 IP addresses.

The host names nierkamp-de.p10.spamhero.com and nierkamp-de.p20.spamhero.net both resolve to 209.41.68.190 IP addresses.