duda.koeln - robtex.com
duda.koeln
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.101.164.57🇺🇸 RACKSPACE-ORD198.101.128.0/18 Rackspace, 5000 Walzem Road, San Antonio, TX 78218 | ||||||
| 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.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.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 | mx00.udag.de ⭐ | ||||||
| A | 62.146.106.39🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx00.udag.de | ||||||
| MX | mx01.udag.de(20) | ||||||
| A | 62.146.106.40🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | mx01.udag.de | ||||||
| SOA | ns.udag.nethostmaster@united-domains.de 2021-02-09 #0 | ||||||
koeln
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.ryce-rsp.com ⭐ | ||||||
| NS | dns.ryce-rsp.com | ||||||
| NS | ns1.dns.business | ||||||
| SOA | ns1.ryce-rsp.comsupport@ryce-rsp.com serial=2025079400 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●A198.101.164.572016-12-13 → 2026-07-27 · 2 obs
● 2026-07-27 22:13:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| koeln | dns.ryce-rsp.com, ns1.dns.business, ns1.ryce-rsp.com | 6 records |
| duda.koeln | ns.udag.org, ns.udag.de, ns.udag.net | - |
✅ Authoritative Response
Server:217.160.80.253
NS records: ns.udag.org, ns.udag.de, ns.udag.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duda.koeln (unsigned zone)
⏱️ Timing
Total: 835ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.101.164.57 |
| NS | 3 | ns.udag.de, ns.udag.org... |
| MX | 2 | mx00.udag.de (pri: 10), mx01.udag.de (pri: 20) |
| SOA | 1 | ns.udag.net hostmaster.united-domains.de |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (dns.ryce-rsp.com, dns.ryce-rsp.com, ns1.dns.business...)
Analysis
IP Addresses
duda.koeln points to a single IP number: 198.101.164.57.
Additional host names — duda.online, katiemedeiros.com, justaddcloud.com and two others — share IP numbers with duda.koeln.
Name Servers
duda.koeln carries NS records delegating to ns.udag.de, ns.udag.net and ns.udag.org.
duda.koeln partially shares its NS delegation with several other domains, including saegen.info, ehw.eu, breitensee.org and two others.
ns.udag.de, ns.udag.net and ns.udag.org are three hostnames that each resolve to a pair of IP addresses: ns.udag.de to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.
Mail Servers
duda.koeln has two mail servers: mx00.udag.de and mx01.udag.de.
duda.koeln shares the same mail server setup as other domains, including gjob.de, plandata.net, lohnunternehmer.mobi and two others.
At least a portion of duda.koeln's mail servers are also used by other domains, for example rose-immobilienverwaltung.de.
mx00.udag.de resolves to 62.146.106.39. mx01.udag.de resolves to 62.146.106.40. Both host names point to a single IP number.