root.koeln - robtex.com
root.koeln
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.214.109.106🇩🇪 STRATO85.214.0.0/15 AG | ||||||
| PTR | h2932108.stratoserver.net | ||||||
| NS | ns4.stratoserver.net ⭐ | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:32🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| A | 217.160.80.159🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | ns4.stratoserver.net | ||||||
| NS | ns3.stratoserver.net | ||||||
| A | 2607:f1c0:fe:53:185:132:34:159🇺🇸 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 | ns3.stratoserver.net | ||||||
| A | 185.132.34.159🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | ns3.stratoserver.net | ||||||
| SOA | ns4.stratoserver.nethostmaster@strato-rz.de 2021-04-09 #9 | ||||||
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=2025078734 | ||||||
Subdomains
mail.root.koeln |
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSlvps46-163-79-146.dedicated.hosteurope.de2020-11-30 → 2020-11-30 · 4 obs
● 2020-11-30 20:53:58
○ 2026-02-26 10:08:02
○ 2026-07-20 22:56:30
○NSlvps92-51-165-146.dedicated.hosteurope.de2017-10-24 → 2017-10-24 · 3 obs
○ 2020-11-30 20:53:58
○ 2026-07-20 22:56:30
○NSns2.hans.hosteurope.de2017-10-24 → 2020-11-30 · 4 obs
● 2020-11-30 20:53:58
○ 2026-02-26 10:08:02
○ 2026-07-20 22:56:30
●NSns3.stratoserver.net2026-02-26 → 2026-07-20 · 3 obs
● 2026-02-26 10:08:02
● 2026-07-20 22:56:30
●NSns4.stratoserver.net2026-02-26 → 2026-07-20 · 3 obs
● 2026-02-26 10:08:02
● 2026-07-20 22:56:30
○MXmail.root.koeln2017-10-24 → 2020-11-30 · 4 obs
● 2020-11-30 20:53:58
○ 2026-02-26 10:08:02
○ 2026-07-20 22:56:30
○A46.163.79.1462020-11-30 → 2020-11-30 · 4 obs
● 2020-11-30 20:53:58
○ 2026-02-26 10:08:02
○ 2026-07-20 22:56:30
●A85.214.109.1062026-02-26 → 2026-07-20 · 3 obs
● 2026-02-26 10:08:02
● 2026-07-20 22:56:30
○A92.51.165.1462017-10-24 → 2017-10-24 · 3 obs
○ 2020-11-30 20:53:58
○ 2026-07-20 22:56:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| koeln | dns.ryce-rsp.com, ns1.dns.business, ns1.ryce-rsp.com | 6 records |
| root.koeln | ns3.stratoserver.net, ns4.stratoserver.net | - |
✅ Authoritative Response
Server:185.132.34.159
NS records: ns3.stratoserver.net, ns4.stratoserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for root.koeln (unsigned zone)
⏱️ Timing
Total: 1063ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.214.109.106 |
| NS | 2 | ns4.stratoserver.net, ns3.stratoserver.net |
| SOA | 1 | ns4.stratoserver.net hostmaster.strato-r |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (dns.ryce-rsp.com, dns.ryce-rsp.com, ns1.dns.business...)
Analysis
Hierarchy
The domain mail.root.koeln falls under the parent root.koeln.
IP Addresses
root.koeln directs to one IP number, which is 85.214.109.106.
Other host names, among them imho.fyi and h2932108.stratoserver.net, have IP numbers in common with root.koeln.
Name Servers
root.koeln has two authoritative name servers — ns3.stratoserver.net and ns4.stratoserver.net.
root.koeln has the same name server delegation as a number of other domains, such as bezuege-des-selbst.org, progdev.de, goldankauf-straubing.de and two more.
Both ns3.stratoserver.net and ns4.stratoserver.net have two IP addresses each. ns3.stratoserver.net resolves to 185.132.34.159 and 2607:f1c0:fe:53:185:132:34:159; ns4.stratoserver.net resolves to 217.160.80.159 and 2001:8d8:fe:53:5747:2a74:d:32.