openclass.de - dns.ninja

openclass.de

DNSSEC⚠️ Not signed
A176.94.202.186🇩🇪 VODANET176.94.128.0/17 ARCOR-IP
NSns1.arcor-ip.de ⭐
A145.253.2.19🇩🇪 VODANET145.253.0.0/20
PTRns1.vodafone-ip.de
NSns2.arcor-ip.de
A145.253.2.80🇩🇪 VODANET145.253.0.0/20
PTRns2.vodafone-ip.de
NSns3.arcor-ip.de
A145.253.3.171🇩🇪 VODANET145.253.0.0/20
PTRns3.vodafone-ip.de
MXmail.ilogics.de ⭐
A176.94.202.188🇩🇪 VODANET176.94.128.0/17 ARCOR-IP
TXTv=spf1 mx ip4:176.94.202.188 ~all
SOAns1.arcor-ip.depostmaster@ilogics.de 2025-09-03 #7

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=1782918135

Subdomains

mail.openclass.de

Same first word

openclass.co.zw
openclass.pe.kr
openclass.site
openclass.de
openclass.com
openclass.cl
openclass.in
openclass.it
openclass.academy
openclass.ca
openclass.gr
openclass.co
openclass.net
openclass.hk
openclass.org
openclass.ru
openclass.cn
openclass.eu

Similar names

specloans.com
clonepass.xyz
snapclose.com
classopen.org
solnspace.com
csespanol.com
classopen.com
slopescan.com
espnsocal.com

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns1.arcor-ip.dens2.arcor-ip.dens3.arcor-ip.dedns1.ilogics.dens01.qsc.dens02.qsc.dens1.arcor-ip.de.openclass.deMXmail.ilogics.depstn.ilogics.deweb.ilogics.deA176.94.202.186213.160.30.17
○NSdns1.ilogics.de2015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56
○NSns01.qsc.de2015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56
○NSns02.qsc.de2015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56
●NSns1.arcor-ip.de2015-11-21 → 2026-07-01 · 3 obs
○ 2015-07-12 18:00:38
● 2015-11-21 18:24:12
● 2026-07-01 15:08:56
○NSns1.arcor-ip.de.openclass.de2015-11-21 → 2018-08-31 · 5 obs
○ 2015-07-12 18:00:38
● 2015-11-21 18:24:12
● 2018-08-31 06:52:40
○ 2026-03-08 12:35:26
○ 2026-07-01 15:08:56
●NSns2.arcor-ip.de2015-11-21 → 2026-07-01 · 3 obs
○ 2015-07-12 18:00:38
● 2015-11-21 18:24:12
● 2026-07-01 15:08:56
●NSns3.arcor-ip.de2015-11-21 → 2026-07-01 · 3 obs
○ 2015-07-12 18:00:38
● 2015-11-21 18:24:12
● 2026-07-01 15:08:56
●MXmail.ilogics.de2015-07-12 → 2026-07-01 · 2 obs
● 2015-07-12 18:00:38
● 2026-07-01 15:08:56
○MXpstn.ilogics.de2015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56
○MXweb.ilogics.de2015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56
●A176.94.202.1862015-11-21 → 2026-07-01 · 3 obs
○ 2015-07-12 18:00:38
● 2015-11-21 18:24:12
● 2026-07-01 15:08:56
○A213.160.30.172015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 18:00:38
○ 2015-11-21 18:24:12
○ 2026-07-01 15:08:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
def.nic.de, a.nic.de, z.nic.de-
openclass.dens1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de3 records

✅ Authoritative Response

Server:145.253.3.171

NS records: ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openclass.de (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

TypeCountSample Data
A1176.94.202.186
NS3ns3.arcor-ip.de, ns1.arcor-ip.de...
MX1mail.ilogics.de (pri: 10)
TXT1v=spf1 mx ip4:176.94.202.188 ~all
SOA1ns1.arcor-ip.de postmaster.ilogics.de

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.arcor-ip.de, ns2.arcor-ip.de, ns3.arcor-ip.de)

Analysis

Hierarchy

mail.openclass.de is delegated beneath openclass.de.

IP Addresses

openclass.de points to a single IP number: 176.94.202.186.

Other hosts including ilogics.de, il186.ilogics.de and open-class.de share IP addresses with openclass.de.

Name Servers

openclass.de is served by three name servers: ns1.arcor-ip.de, ns2.arcor-ip.de and ns3.arcor-ip.de.

There is at least partial name server overlap between openclass.de and other domains — 253.106.188.in-addr.arpa, 238.61.84.in-addr.arpa, 212.218.94.in-addr.arpa and two more among them.

These name servers are routinely deployed together with the name servers dns2.spd.de.

ns1.arcor-ip.de has IP address 145.253.2.19, ns2.arcor-ip.de has IP address 145.253.2.80 and ns3.arcor-ip.de has IP address 145.253.3.171 — one address each.

Mail Servers

openclass.de has one mail server: mail.ilogics.de.

Like ilogics.de and open-class.de, openclass.de has the same mail server arrangement as several other domains.

mail.ilogics.de resolves to 176.94.202.188 and no other IP number.