`codex-buecher.de`

DNSSEC	⚠️ Not signed
A	212.46.102.82^{🇩🇪 NCORE-AS212.46.96.0/19 HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany}
		PTR	`c10253.hkn.net`
NS	`neos.hkn.de` ⭐
		A	2a02:4c00:0:4010::2^{🇩🇪 NCORE-AS2a02:4c00::/40 HKN GmbH Am Rheintor 7 D-47829 Krefeld Germany}
			PTR	`neos.hkn.de`
		A	212.46.104.104^{🇩🇪 NCORE-AS212.46.96.0/19 HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany}
			PTR	`neos.hkn.de`
NS	`sns02.hkn.de`
		A	2a02:4c00:0:4011::2^{🇩🇪 NCORE-AS2a02:4c00::/40 HKN GmbH Am Rheintor 7 D-47829 Krefeld Germany}
			PTR	`sns02.hkn.de`
		A	213.9.97.198^{🇩🇪 NCORE-AS213.9.0.0/17 HKN GmbH Hochstadenstr. 5 D-47829 Krefeld Germany}
			PTR	`sns02.hkn.de`
MX	`mx12a.antispameurope.com` ⭐
		A	94.100.132.100^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`hsmx01.antispameurope.com`
MX	`mx12b.antispameurope.com`⁽²⁰⁾
		A	83.246.65.85^{🇩🇪 SSERV-AS83.246.0.0/17 kyberio GmbH}
			PTR	`hsmx01-hz2.antispameurope.com`
MX	`mx12c.antispameurope.com`⁽³⁰⁾
		A	94.100.134.10^{🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676}
			PTR	`hsmx06.antispameurope.com`
MX	`mx12d.antispameurope.com`⁽⁴⁰⁾
		A	94.100.132.100^{🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394}
			PTR	`hsmx01.antispameurope.com`
TXT	`v=spf1 include:spf.hornetsecurity.com ~all`
SOA	`neos.hkn.de`hostmaster@hkn.de serial=1741969834

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1775150426

Subdomains

mail.codex-buecher.de

Same first word

codex-buecher.de

DNS History

13 records (7 active, 6 former)

●NSneos.hkn.de2015-06-18 → 2026-04-02 · 2 obs

● 2015-06-18 16:25:26
● 2026-04-02 17:32:12

●NSsns02.hkn.de2015-06-18 → 2026-04-02 · 2 obs

● 2015-06-18 16:25:26
● 2026-04-02 17:32:12

○MXmail.codex-buecher.de2015-06-18 → 2016-04-14 · 4 obs

● 2015-06-18 16:25:26
● 2016-04-14 13:41:12
○ 2017-01-29 06:16:06
○ 2026-04-02 17:32:12

●MXmx12a.antispameurope.com2018-09-27 → 2026-04-02 · 3 obs

○ 2017-01-29 06:16:06
● 2018-09-27 10:01:22
● 2026-04-02 17:32:12

○MXmx12a.antispameurope.com.codex-buecher.de2017-01-29 → 2017-01-29 · 4 obs

○ 2016-04-14 13:41:12
● 2017-01-29 06:16:06
○ 2018-09-27 10:01:22
○ 2026-04-02 17:32:12

●MXmx12b.antispameurope.com2018-09-27 → 2026-04-02 · 3 obs

○ 2017-01-29 06:16:06
● 2018-09-27 10:01:22
● 2026-04-02 17:32:12

○MXmx12b.antispameurope.com.codex-buecher.de2017-01-29 → 2017-01-29 · 4 obs

○ 2016-04-14 13:41:12
● 2017-01-29 06:16:06
○ 2018-09-27 10:01:22
○ 2026-04-02 17:32:12

●MXmx12c.antispameurope.com2018-09-27 → 2026-04-02 · 3 obs

○ 2017-01-29 06:16:06
● 2018-09-27 10:01:22
● 2026-04-02 17:32:12

○MXmx12c.antispameurope.com.codex-buecher.de2017-01-29 → 2017-01-29 · 4 obs

○ 2016-04-14 13:41:12
● 2017-01-29 06:16:06
○ 2018-09-27 10:01:22
○ 2026-04-02 17:32:12

●MXmx12d.antispameurope.com2018-09-27 → 2026-04-02 · 3 obs

○ 2017-01-29 06:16:06
● 2018-09-27 10:01:22
● 2026-04-02 17:32:12

○MXmx12d.antispameurope.com.codex-buecher.de2017-01-29 → 2017-01-29 · 4 obs

○ 2016-04-14 13:41:12
● 2017-01-29 06:16:06
○ 2018-09-27 10:01:22
○ 2026-04-02 17:32:12

●A212.46.102.822026-02-15 → 2026-04-02 · 3 obs

○ 2018-09-27 10:01:22
● 2026-02-15 09:12:24
● 2026-04-02 17:32:12

○A212.46.121.62015-06-18 → 2018-09-27 · 4 obs

● 2015-06-18 16:25:26
● 2018-09-27 10:01:22
○ 2026-02-15 09:12:24
○ 2026-04-02 17:32:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
codex-buecher.de	neos.hkn.de, sns02.hkn.de	4 records

✅ Authoritative Response

Server:212.46.104.104

NS records: neos.hkn.de, sns02.hkn.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codex-buecher.de (unsigned zone)

⏱️ Timing

Total: 618ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.46.102.82`
NS	2	`neos.hkn.de, sns02.hkn.de`
MX	4	`mx12b.antispameurope.com (pri: 20), mx12d.antispameurope.com (pri: 40)...`
TXT	1	`v=spf1 include:spf.hornetsecurity.com ~a`
SOA	1	`neos.hkn.de hostmaster.hkn.de`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (neos.hkn.de, neos.hkn.de, sns02.hkn.de...)

Analysis

Hierarchy

codex-buecher.de is the parent of mail.codex-buecher.de.

IP Addresses

codex-buecher.de points to a single IP number: 212.46.102.82.

other host names for instance mail.grafiker-hamburg.de, mail.statec-verladetechnik.de, mail.hund-und-mensch.com, tsm24.de and coaching-norderstedt.de share IP numbers with codex-buecher.de.

Name Servers

codex-buecher.de is delegated to two name servers: neos.hkn.de and sns02.hkn.de.

codex-buecher.de shares the same name server setup as other domains, for example st-petri-dortmund.de, carboweld.com, ballonpoint.at, 113.46.212.in-addr.arpa and kuller.com.

codex-buecher.de at least partially shares name servers with other domains, for instance pvshop.de, ballonpoints.eu, 3008.de, efm-gmbh.de and aryus-rees.de.

Host names with two IP numbers:

neos.hkn.de points to 2a02:4c00:0:4010::2 and 212.46.104.104

sns02.hkn.de points to 2a02:4c00:0:4011::2 and 213.9.97.198

Mail Servers

Four mail servers handle codex-buecher.de: mx12a.antispameurope.com, mx12b.antispameurope.com, mx12c.antispameurope.com and mx12d.antispameurope.com.

codex-buecher.de shares mail servers with other domains at least partially, including forte.at, sandleben.com, nemetschek-auer.at, isw-uetersen.de and lionment.de.