classesonline.de - dns.ninja
classesonline.de
| DNSSEC | ⚠️ Not signed | ||||||
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=1785124553 | ||||||
Same first word
classesonline.com |
classesonline.mobi |
classesonline.de |
classesonline.org |
Similar names
DNS History
14 records (0 active, 14 former)
○NSns1-tec.de2015-07-04 → 2017-05-19 · 4 obs
● 2015-07-04 08:34:06
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
○NSns1.resellerinterface.de2026-06-20 → 2026-06-20 · 3 obs
○ 2026-04-11 13:29:56
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○NSns1.sedoparking.com2026-04-11 → 2026-04-11 · 4 obs
○ 2017-05-19 19:35:08
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○NSns2-tec.de2015-07-04 → 2017-05-19 · 4 obs
● 2015-07-04 08:34:06
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
○NSns2.resellerinterface.de2026-06-20 → 2026-06-20 · 3 obs
○ 2026-04-11 13:29:56
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○NSns2.sedoparking.com2026-04-11 → 2026-04-11 · 4 obs
○ 2017-05-19 19:35:08
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○NSns3.resellerinterface.de2026-06-20 → 2026-06-20 · 3 obs
○ 2026-04-11 13:29:56
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○MXlocalhost2026-04-11 → 2026-04-11 · 4 obs
○ 2017-05-19 19:35:08
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
○MXmx1.securemail.name2015-07-04 → 2017-05-19 · 4 obs
● 2015-07-04 08:34:06
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
○MXmx2.securemail.name2015-07-04 → 2017-05-19 · 4 obs
● 2015-07-04 08:34:06
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
○A136.243.196.272017-05-03 → 2017-05-19 · 5 obs
○ 2017-01-01 22:03:40
● 2017-05-03 22:29:48
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
● 2017-05-03 22:29:48
● 2017-05-19 19:35:08
○ 2026-04-11 13:29:56
○ 2026-07-27 04:05:02
○A178.63.49.782015-07-04 → 2017-01-01 · 4 obs
● 2015-07-04 08:34:06
● 2017-01-01 22:03:40
○ 2017-05-03 22:29:48
○ 2026-07-27 04:05:02
● 2017-01-01 22:03:40
○ 2017-05-03 22:29:48
○ 2026-07-27 04:05:02
○A202.61.246.1462026-06-20 → 2026-06-20 · 4 obs
○ 2026-04-11 13:29:56
● 2026-06-20 21:07:58
○ 2026-07-21 14:39:42
○ 2026-07-27 04:05:02
● 2026-06-20 21:07:58
○ 2026-07-21 14:39:42
○ 2026-07-27 04:05:02
○A64.190.63.2222026-04-11 → 2026-04-11 · 4 obs
○ 2017-05-19 19:35:08
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
● 2026-04-11 13:29:56
○ 2026-06-20 21:07:58
○ 2026-07-27 04:05:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
✅ Authoritative Response
Server:194.246.96.1
NS records: a.nic.de, f.nic.de, z.nic.de
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 617ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|