koerfer.com - robtex.com
koerfer.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.51.168.81🇨🇳 AS-4812-CNC-HP210.51.0.0/16 CNC Group CncNet | ||||||
| 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 | smx00.udag.de ⭐ | ||||||
| A | 62.146.106.50🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | smx00.udag.de | ||||||
| MX | smx01.udag.de ⭐ | ||||||
| A | 62.146.106.51🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH | ||||||
| PTR | smx01.udag.de | ||||||
| TXT | v=spf1 include:_smtp.udag.de ~all | ||||||
| SOA | ns.udag.dehostmaster@united-domains.de 2023-12-27 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778524296 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●A210.51.168.812015-08-21 → 2026-05-11 · 2 obs
● 2026-05-11 18:53:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| koerfer.com | ns.udag.de, ns.udag.net, ns.udag.org | - |
✅ Authoritative Response
Server:185.132.34.253
NS records: ns.udag.de, ns.udag.net, ns.udag.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koerfer.com (unsigned zone)
⏱️ Timing
Total: 1424ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.51.168.81 |
| NS | 3 | ns.udag.de, ns.udag.net... |
| MX | 2 | smx01.udag.de (pri: 10), smx00.udag.de (pri: 10) |
| TXT | 1 | v=spf1 include:_smtp.udag.de ~all |
| SOA | 1 | ns.udag.de hostmaster.united-domains.de |
Analysis
IP Addresses
koerfer.com points to a single IP: 210.51.168.81.
Name Servers
koerfer.com is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.
koerfer.com partially shares name servers with other domains; examples include urbn-jungle.de, tracopower.fr, emmi-pur.com, invisible.biz and alarme-pour-camping-car.com.
Host names with two IP numbers:
ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253.
ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253.
ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.
Mail Servers
koerfer.com is handled by two mail servers: smx00.udag.de and smx01.udag.de.
koerfer.com has the same mail server setup as other domains, including dreesen.org, hrc.gmbh, bestidea-consult.com, lefa-landtechnik.de and mediawireless.de.
Host names with one IP number: The host name smx00.udag.de points to 62.146.106.50 and the host name smx01.udag.de points to 62.146.106.51.