optimum-check.de - robtex.com

optimum-check.de

DNSSEC⚠️ Not signed

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1774679722

DNS History

6 records (0 active, 6 former)

20162017201820192020202120222023202420252026NSns1.optimum-check.dens1a.dodns.netns2.knipp.dens2a.dodns.netns3.knipp.deA217.76.111.5
○NSns1.optimum-check.de2016-07-06 → 2017-02-18 · 5 obs
○ 2016-03-15 04:13:16
● 2016-07-06 14:55:50
● 2017-02-18 03:05:30
○ 2019-03-21 13:52:20
○ 2026-03-28 07:07:54
○NSns1a.dodns.net2016-07-06 → 2017-02-18 · 5 obs
○ 2016-03-15 04:13:16
● 2016-07-06 14:55:50
● 2017-02-18 03:05:30
○ 2019-03-21 13:52:20
○ 2026-03-28 07:07:54
○NSns2.knipp.de2015-08-08 → 2016-03-15 · 4 obs
● 2015-08-08 01:47:06
● 2016-03-15 04:13:16
○ 2016-07-06 14:55:50
○ 2026-03-28 07:07:54
○NSns2a.dodns.net2016-07-06 → 2017-02-18 · 5 obs
○ 2016-03-15 04:13:16
● 2016-07-06 14:55:50
● 2017-02-18 03:05:30
○ 2019-03-21 13:52:20
○ 2026-03-28 07:07:54
○NSns3.knipp.de2015-08-08 → 2016-03-15 · 4 obs
● 2015-08-08 01:47:06
● 2016-03-15 04:13:16
○ 2016-07-06 14:55:50
○ 2026-03-28 07:07:54
○A217.76.111.52015-08-08 → 2017-02-18 · 4 obs
● 2015-08-08 01:47:06
● 2017-02-18 03:05:30
○ 2019-03-21 13:52:20
○ 2026-03-28 07:07:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-

✅ Authoritative Response

Server:81.91.164.5

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: 487ms | Queries: -

📄 Records

TypeCountSample Data