classlibrary.de - dns.ninja

classlibrary.de

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:5293::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww359.your-server.de
A78.46.179.2🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
NSns1.your-server.de ⭐
A2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.your-server.de
A213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
PTRns1.your-server.de
NSns.second-ns.com
A2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns.second-ns.com
A213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2
PTRns.second-ns.com
NSns3.second-ns.de
A2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48
PTRns3.second-ns.de
A193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24
PTRns3.second-ns.de
MXwww359.your-server.de ⭐
A2a01:4f8:d0a:5293::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww359.your-server.de
A78.46.179.2🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRwww359.your-server.de
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2025-11-21 #0

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=1784869935

Same first word

classlibrary.de

Similar names

libraryclass.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns.second-ns.comns1.your-server.dens3.second-ns.dens.namespace4you.dens2.namespace4you.deMXwww359.your-server.demxlb.ispgateway.deA2a01:4f8:d0a:5293::278.46.179.22a00:1158:0:300:fa2e::12a00:1158:1000:300::33080.67.28.48
○NSns.namespace4you.de2015-06-26 → 2018-06-13 · 4 obs
● 2015-06-26 15:02:54
● 2018-06-13 02:13:12
○ 2026-02-17 07:57:02
○ 2026-07-24 05:19:46
●NSns.second-ns.com2026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
●NSns1.your-server.de2026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
○NSns2.namespace4you.de2015-06-26 → 2018-06-13 · 4 obs
● 2015-06-26 15:02:54
● 2018-06-13 02:13:12
○ 2026-02-17 07:57:02
○ 2026-07-24 05:19:46
●NSns3.second-ns.de2026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
○MXmxlb.ispgateway.de2015-06-26 → 2018-06-13 · 4 obs
● 2015-06-26 15:02:54
● 2018-06-13 02:13:12
○ 2026-02-17 07:57:02
○ 2026-07-24 05:19:46
●MXwww359.your-server.de2026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
○A2a00:1158:0:300:fa2e::12015-06-26 → 2016-04-26 · 4 obs
● 2015-06-26 15:02:54
● 2016-04-26 08:54:32
○ 2017-01-16 13:44:32
○ 2026-07-24 05:19:46
○A2a00:1158:1000:300::3302017-01-16 → 2018-06-13 · 5 obs
○ 2016-04-26 08:54:32
● 2017-01-16 13:44:32
● 2018-06-13 02:13:12
○ 2026-02-17 07:57:02
○ 2026-07-24 05:19:46
●A2a01:4f8:d0a:5293::22026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
●A78.46.179.22026-02-17 → 2026-07-24 · 3 obs
○ 2018-06-13 02:13:12
● 2026-02-17 07:57:02
● 2026-07-24 05:19:46
○A80.67.28.482015-06-26 → 2018-06-13 · 4 obs
● 2015-06-26 15:02:54
● 2018-06-13 02:13:12
○ 2026-02-17 07:57:02
○ 2026-07-24 05:19:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
classlibrary.dens.second-ns.com, ns3.second-ns.de, ns1.your-server.de4 records

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns3.second-ns.de, ns1.your-server.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classlibrary.de (unsigned zone)

⏱️ Timing

Total: 721ms | Queries: -

📄 Records

TypeCountSample Data
A178.46.179.2
AAAA12a01:4f8:d0a:5293::2
NS3ns1.your-server.de, ns3.second-ns.de...
MX1www359.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
SOA1ns1.your-server.de postmaster.your-serve

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.second-ns.de, ns1.your-server.de, ns3.second-ns.de...)

Analysis

IP Addresses

classlibrary.de directs to two IP numbers, 78.46.179.2 and 2a01:4f8:d0a:5293::2

www.sengers.eu, karlheinzland.com, genbrugsbutikken-sindal.dk and two other host names share IP numbers with classlibrary.de.

Name Servers

classlibrary.de has three name servers — ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.

classlibrary.de has at least partial name server overlap with other domains, such as eyepearl.net, hotline-schreck.de, 202.201.138.in-addr.arpa and two others.

Each of ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de points to two IP numbers. ns.second-ns.com points to 213.239.204.242 and 2a01:4f8:0:a101::b:1. ns3.second-ns.de points to 193.47.99.4 and 2001:67c:192c::add:b3. ns1.your-server.de points to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.

Mail Servers

Mail for classlibrary.de is handled by a single mail server, www359.your-server.de.

classlibrary.de uses an identical mail server configuration to several other domains — among them x-tools.eu, reba-gmbh.at, katholisch-in-suedlippe-pyrmont.de and two more.

www359.your-server.de has two IP addresses: 78.46.179.2 and 2a01:4f8:d0a:5293::2.