schulferien.de - robtex.com
schulferien.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-a.ktk.de ⚠️ Not in zone NS records | ||||||
| A | 2a02:1628:0:c000::3:5🇩🇪 KTK2a02:1628::/32 KEVAG Telekom GmbH | ||||||
| A | 212.7.160.5🇩🇪 KTK212.7.160.0/19 KEVAG Telekom GmbH | ||||||
| NS | ns-b.ktk.io ⚠️ Not in zone NS records | ||||||
| A | 2a01:5580:154::165🇩🇪 KTK2a01:5580::/32 IPv6 route teliko GmbH | ||||||
| PTR | ns-a.ktk.io | ||||||
| A | 217.17.16.165🇩🇪 KTK217.17.16.0/20 | ||||||
| PTR | ns-b.ktk.io | ||||||
| NS | ns-c.ktk.de ⚠️ Not in zone NS records | ||||||
| A | 2a02:1628:0:c000::3:11🇩🇪 KTK2a02:1628::/32 KEVAG Telekom GmbH | ||||||
| A | 212.7.160.11🇩🇪 KTK212.7.160.0/19 KEVAG Telekom GmbH | ||||||
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=1785130763 | ||||||
Same first word
schulferien.biz |
schulferien.de |
schulferien.digital |
schulferien.net |
schulferien.at |
schulferien.eu |
schulferien.org |
schulferien.co |
schulferien.com |
schulferien.ch |
schulferien.info |
Similar names
DNS History
13 records (3 active, 10 former)
●NSns-a.ktk.de2017-03-16 → 2026-07-27 · 3 obs
● 2017-03-16 05:32:26
● 2026-07-27 05:41:30
●NSns-b.ktk.io2017-03-16 → 2026-07-27 · 3 obs
● 2017-03-16 05:32:26
● 2026-07-27 05:41:30
●NSns-c.ktk.de2017-03-16 → 2026-07-27 · 3 obs
● 2017-03-16 05:32:26
● 2026-07-27 05:41:30
○NSns0.ktk.de2015-08-05 → 2016-05-29 · 4 obs
● 2016-05-29 07:58:06
○ 2017-03-16 05:32:26
○ 2026-07-27 05:41:30
○NSns1.ktk.de2015-08-05 → 2016-05-29 · 4 obs
● 2016-05-29 07:58:06
○ 2017-03-16 05:32:26
○ 2026-07-27 05:41:30
○MXmx-a.ktk.de2026-03-03 → 2026-05-09 · 5 obs
● 2026-03-03 23:52:30
● 2026-05-09 22:44:56
○ 2026-06-21 16:13:44
○ 2026-07-27 05:41:30
○MXmx-b.ktk.de2026-03-03 → 2026-05-09 · 5 obs
● 2026-03-03 23:52:30
● 2026-05-09 22:44:56
○ 2026-06-21 16:13:44
○ 2026-07-27 05:41:30
○MXwww.schulferien.de2015-08-05 → 2020-02-20 · 4 obs
● 2020-02-20 01:18:46
○ 2026-03-03 23:52:30
○ 2026-07-27 05:41:30
○A212.7.160.1322020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 01:18:46
○ 2026-03-03 23:52:30
○ 2026-07-27 05:41:30
○A212.7.160.332015-08-05 → 2017-03-16 · 4 obs
● 2017-03-16 05:32:26
○ 2020-02-20 01:18:46
○ 2026-07-27 05:41:30
○A2a02:1628:0:c002::1322020-02-20 → 2020-02-20 · 4 obs
● 2020-02-20 01:18:46
○ 2026-03-03 23:52:30
○ 2026-07-27 05:41:30
○A2a02:1628:0:c00a::1122026-03-03 → 2026-05-09 · 5 obs
● 2026-03-03 23:52:30
● 2026-05-09 22:44:56
○ 2026-06-21 16:13:44
○ 2026-07-27 05:41:30
○A82.115.96.1122026-03-03 → 2026-05-09 · 5 obs
● 2026-03-03 23:52:30
● 2026-05-09 22:44:56
○ 2026-06-21 16:13:44
○ 2026-07-27 05:41:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| schulferien.de | ns-a.ktk.de, ns-b.ktk.io, ns-c.ktk.de | 4 records |
✅ Authoritative Response
Server:212.7.160.11
NS records: ns-a.ktk.de, ns-b.ktk.io, ns-c.ktk.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schulferien.de (unsigned zone)
⏱️ Timing
Total: 4787ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.115.96.112 |
| AAAA | 1 | 2a02:1628:0:c00a::112 |
| NS | 3 | ns-b.ktk.io, ns-c.ktk.de... |
| MX | 2 | mx-a.ktk.de (pri: 30), mx-b.ktk.de (pri: 30) |
| SOA | 1 | ns-a.ktk.de hostmaster.noc.ktk.de |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns-a.ktk.de, ns-a.ktk.de, ns-c.ktk.de...)
Analysis
Name Servers
schulferien.de carries NS records delegating to ns-a.ktk.de, ns-c.ktk.de and ns-b.ktk.io.
There is at least partial name server overlap between schulferien.de and other domains — wayside-monitoring.com, medimex.de, all4shooters.es and two more among them.
These name servers are routinely deployed together with the name servers ns1.vdq.de.
ns-a.ktk.de, ns-c.ktk.de and ns-b.ktk.io are three hostnames that each resolve to a pair of IP addresses: ns-a.ktk.de to 212.7.160.5 and 2a02:1628:0:c000::3:5, ns-c.ktk.de to 212.7.160.11 and 2a02:1628:0:c000::3:11, and ns-b.ktk.io to 217.17.16.165 and 2a01:5580:154::165.