developer-week.de - dns.ninja

`developer-week.de`

DNSSEC	⚠️ Not signed
A	157.230.77.103^{🇩🇪 DIGITALOCEAN157.230.76.0/22 DigitalOcean}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx-in01.eu.retarus.com` ⭐
		A	94.199.92.130^{🇩🇪 RETARUS-GLOBAL94.199.92.0/23 Frankfurt Net I}
			PTR	`mx-in01.eu.retarus.com`
MX	`mx-in02.eu.retarus.com`⁽²⁰⁾
		A	94.199.89.39^{🇩🇪 RETARUS-GLOBAL94.199.88.0/22 retarus supernet1}
			PTR	`mx-in02.eu.retarus.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms53353053`
SOA	`ns.udag.de`hostmaster@united-domains.de 2024-02-13 #14

`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=1785934617

WOT: SAFE (95/100)

Same first word

developer-week.com

developer-week.de

DNS History

13 records (6 active, 7 former)

●NSns.udag.de2015-11-06 → 2026-08-05 · 3 obs

○ 2015-07-02 16:53:06
● 2015-11-06 20:32:58
● 2026-08-05 13:23:20

●NSns.udag.net2015-11-06 → 2026-08-05 · 3 obs

○ 2015-07-02 16:53:06
● 2015-11-06 20:32:58
● 2026-08-05 13:23:20

●NSns.udag.org2015-11-06 → 2026-08-05 · 3 obs

○ 2015-07-02 16:53:06
● 2015-11-06 20:32:58
● 2026-08-05 13:23:20

○NSns65.1und1.de2015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 16:53:06
○ 2015-11-06 20:32:58
○ 2026-08-05 13:23:20

○NSns66.1und1.de2015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 16:53:06
○ 2015-11-06 20:32:58
○ 2026-08-05 13:23:20

○MXdeveloper-week.mailin1.rmx.de2015-07-02 → 2016-12-06 · 4 obs

● 2015-07-02 16:53:06
● 2016-12-06 17:20:48
○ 2026-02-22 05:07:08
○ 2026-08-05 13:23:20

○MXdeveloper-week.mailin2.rmx.de2015-07-02 → 2016-12-06 · 4 obs

● 2015-07-02 16:53:06
● 2016-12-06 17:20:48
○ 2026-02-22 05:07:08
○ 2026-08-05 13:23:20

○MXdeveloper-week.mailin3.rmx.de2015-07-02 → 2016-12-06 · 4 obs

● 2015-07-02 16:53:06
● 2016-12-06 17:20:48
○ 2026-02-22 05:07:08
○ 2026-08-05 13:23:20

○MXdeveloper-week.mailin4.rmx.de2015-07-02 → 2016-12-06 · 4 obs

● 2015-07-02 16:53:06
● 2016-12-06 17:20:48
○ 2026-02-22 05:07:08
○ 2026-08-05 13:23:20

●MXmx-in01.eu.retarus.com2026-02-22 → 2026-08-05 · 3 obs

○ 2016-12-06 17:20:48
● 2026-02-22 05:07:08
● 2026-08-05 13:23:20

●MXmx-in02.eu.retarus.com2026-02-22 → 2026-08-05 · 3 obs

○ 2016-12-06 17:20:48
● 2026-02-22 05:07:08
● 2026-08-05 13:23:20

●A157.230.77.1032026-02-22 → 2026-08-05 · 3 obs

○ 2016-12-06 17:20:48
● 2026-02-22 05:07:08
● 2026-08-05 13:23:20

○A46.163.121.1622015-07-02 → 2016-12-06 · 4 obs

● 2015-07-02 16:53:06
● 2016-12-06 17:20:48
○ 2026-02-22 05:07:08
○ 2026-08-05 13:23:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
developer-week.de	ns.udag.org, ns.udag.net, ns.udag.de	2 records

✅ Authoritative Response

Server:185.132.33.253

NS records: ns.udag.org, ns.udag.net, ns.udag.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developer-week.de (unsigned zone)

⏱️ Timing

Total: 731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.230.77.103`
NS	3	`ns.udag.org, ns.udag.net...`
MX	2	`mx-in02.eu.retarus.com (pri: 20), mx-in01.eu.retarus.com (pri: 10)`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms53353053`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

IP Addresses

developer-week.de has exactly one IP address — 157.230.77.103.

deutscherdrucker.de, spomo.de, www.feuerwehrmagazin.de plus two other host names have IP numbers in common with developer-week.de.

Name Servers

DNS for developer-week.de is handled by three authoritative name servers: ns.udag.de, ns.udag.net and ns.udag.org.

developer-week.de shares at least some of its name servers with other domains, including felixmaerkle.de, immobilien-itzehoe.com, azt-industry.com and two others.

Three hostnames — ns.udag.de, ns.udag.net and ns.udag.org — each have two IP addresses: ns.udag.de has 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net has 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org has 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

developer-week.de uses two mail servers, mx-in01.eu.retarus.com and mx-in02.eu.retarus.com.

The mail server setup of developer-week.de matches that of other domains such as messe-intec.de, seniovo.de, dynactivsurfaces.es and two others.

At least some of the mail servers used by developer-week.de are shared with other domains: zeiss.uz, kohlpharma.com, schaltbaugroup.com and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx-32987766.mail.eu.retarus.com.

mx-in01.eu.retarus.com and mx-in02.eu.retarus.com each resolve to one IP number: mx-in01.eu.retarus.com points to 94.199.92.130 and mx-in02.eu.retarus.com points to 94.199.89.39.