`developer-world.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=ms52375464`
SOA	`ns.udag.de`hostmaster@united-domains.de 2023-12-07 #35

`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=1775960197

rank #545503 globally
rank #23956 in the tld

Same first word

developer-world.de

DNS History

6 records (6 active, 0 former)

●NSns.udag.de2026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

●NSns.udag.net2026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

●NSns.udag.org2026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

●MXmx-in01.eu.retarus.com2026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

●MXmx-in02.eu.retarus.com2026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

●A157.230.77.1032026-02-26 → 2026-04-12 · 2 obs

● 2026-02-26 04:40:30
● 2026-04-12 02:17:14

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:217.160.80.253

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 834ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.230.77.103`
NS	3	`ns.udag.org, ns.udag.de...`
MX	2	`mx-in01.eu.retarus.com (pri: 10), mx-in02.eu.retarus.com (pri: 20)`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms52375464`
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-world.de resolves to a single IP: 157.230.77.103.

Other host names, for instance kameramann.de, *.dotnetpro.de, www.cinec.de, www.internetworld.de and wanderlust-magazin.de share IP numbers with developer-world.de.

Name Servers

developer-world.de delegates to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

developer-world.de shares some name servers with other domains, for example resa100.com, bbirke.de, felecura.de, wilhwerhahn.com and pes.in.

Host names with two IP numbers:

ns.udag.de: 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253

ns.udag.net: 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253

ns.udag.org: 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253

Mail Servers

developer-world.de is served by two mail servers: mx-in01.eu.retarus.com and mx-in02.eu.retarus.com.

developer-world.de shares the mail server setup with other domains, for example webundmobile.de, holzwerken.net, rottendorf.de, kisme.com and zeiss.be.

developer-world.de shares some mail servers with other domains, at least partially; for instance mail.nrw.computerworld.ch, hoermann-automotive.at, gase.de, onlinepc.ch and randstad-stiftung.de.

Host names with a single IP:

mx-in01.eu.retarus.com points to 94.199.92.130

mx-in02.eu.retarus.com points to 94.199.89.39

developer-world.de - robtex.com