tknc.de - dns.ninja
tknc.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:4f8:c012:8de7::fee1:dead🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | iridium.koop.systems | ||||||
| A | 88.99.87.120🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| NS | first.ns.koop.systems ⭐ | ||||||
| A | 2a01:4f8:c012:8de7::fee1:dead🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | iridium.koop.systems | ||||||
| A | 88.99.87.120🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| NS | fourth.ns.koop.systems | ||||||
| A | 2a01:239:274:aa00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de | ||||||
| A | 212.132.116.72🇬🇧 IONOS-AS212.132.96.0/19 IONOS SE ber.de | ||||||
| PTR | barium.koop.systems | ||||||
| NS | second.ns.koop.systems | ||||||
| A | 2a03:4000:43:190::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | argon.koop.systems | ||||||
| A | 194.13.82.74🇩🇪 netcup-AS194.13.80.0/22 | ||||||
| PTR | argon.koop.systems | ||||||
| MX | mail.koop.systems ⭐ | ||||||
| A | 2a01:4f8:c012:8de7::fee1:dead🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | iridium.koop.systems | ||||||
| A | 88.99.87.120🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| TXT | v=spf1 mx include:koop.systems -all | ||||||
| SOA | first.ns.koop.systemshostmaster@koop.systems 2026-06-25 #5 | ||||||
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.dedns-operations@denic.de serial=1782887274 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSfirst.ns.koop.systems2026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
●NSfourth.ns.koop.systems2026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
●NSsecond.ns.koop.systems2026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
●MXmail.koop.systems2026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
●A2a01:4f8:c012:8de7::fee1:dead2026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
●A88.99.87.1202026-02-28 → 2026-07-01 · 2 obs
● 2026-07-01 06:49:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| tknc.de | second.ns.koop.systems, first.ns.koop.systems, fourth.ns.koop.systems | - |
✅ Authoritative Response
Server:194.13.82.74
NS records: second.ns.koop.systems, first.ns.koop.systems, fourth.ns.koop.systems
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3767ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.87.120 |
| AAAA | 1 | 2a01:4f8:c012:8de7::fee1:dead |
| NS | 3 | second.ns.koop.systems, fourth.ns.koop.systems... |
| MX | 1 | mail.koop.systems (pri: 10) |
| TXT | 1 | v=spf1 mx include:koop.systems -all |
| SOA | 1 | first.ns.koop.systems hostmaster.koop.sy |
Analysis
IP Addresses
tknc.de points to the IP addresses 88.99.87.120 and 2a01:4f8:c012:8de7::fee1:dead
Two other host names, along with 0x58.de, tim-koop.de and first.ns.koop.systems, also share IP numbers with tknc.de.
Name Servers
DNS for tknc.de is handled by three authoritative name servers: first.ns.koop.systems, fourth.ns.koop.systems and second.ns.koop.systems.
tknc.de shares at least some of its name servers with other domains, for example koop.dev, 0x58.de, tim-koop.de and koop.systems.
Three hostnames — first.ns.koop.systems, fourth.ns.koop.systems and second.ns.koop.systems — each have two IP addresses: first.ns.koop.systems has 88.99.87.120 and 2a01:4f8:c012:8de7::fee1:dead, fourth.ns.koop.systems has 212.132.116.72 and 2a01:239:274:aa00::1, and second.ns.koop.systems has 194.13.82.74 and 2a03:4000:43:190::1.
Mail Servers
The sole mail server for tknc.de is mail.koop.systems.
tknc.de uses the same mail servers as 0x58.de, tim-koop.de, koop.systems and koop.dev, and other domains with the same setup.
mail.koop.systems directs to two IP numbers, 88.99.87.120 and 2a01:4f8:c012:8de7::fee1:dead.