schulhefte.de - robtex.com

schulhefte.de

DNSSEC⚠️ Not signed
A89.22.114.71🇩🇪 ONE-NETWORK89.22.96.0/19
PTRcs48276.dogadoserver.de
NSnsa8.schlundtech.de ⭐
A2607:f1c0:fe:53:185:132:34:227🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-stec.ui-dns.com
A185.132.34.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.com
NSnsb8.schlundtech.de
A2607:f1c0:fe:53:185:132:35:227🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-stec.ui-dns.org
A185.132.35.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.org
NSnsc8.schlundtech.de
A2001:8d8:fe:53:217:160:80:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.de
A217.160.80.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.de
NSnsd8.schlundtech.de
A2001:8d8:fe:53:217:160:81:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.biz
A217.160.81.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.biz
SOAnsa8.schlundtech.deholzmann@spread-blue.de 2025-11-18 #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=1775974862

Same first word

schulhefte.com
schulhefte.de

DNS History

7 records (5 active, 2 former)

20162017201820192020202120222023202420252026NSnsa8.schlundtech.densb8.schlundtech.densc8.schlundtech.densd8.schlundtech.deA89.22.114.7181.20.133.2585.214.253.247
●NSnsa8.schlundtech.de2015-06-28 → 2026-04-12 · 2 obs
● 2015-06-28 23:00:12
● 2026-04-12 06:31:52
●NSnsb8.schlundtech.de2015-06-28 → 2026-04-12 · 2 obs
● 2015-06-28 23:00:12
● 2026-04-12 06:31:52
●NSnsc8.schlundtech.de2015-06-28 → 2026-04-12 · 2 obs
● 2015-06-28 23:00:12
● 2026-04-12 06:31:52
●NSnsd8.schlundtech.de2015-06-28 → 2026-04-12 · 2 obs
● 2015-06-28 23:00:12
● 2026-04-12 06:31:52
○A81.20.133.252015-06-28 → 2016-01-29 · 4 obs
● 2015-06-28 23:00:12
● 2016-01-29 05:17:44
○ 2016-04-28 14:23:40
○ 2026-04-12 06:31:52
○A85.214.253.2472016-04-28 → 2017-08-20 · 5 obs
○ 2016-01-29 05:17:44
● 2016-04-28 14:23:40
● 2017-08-20 19:58:16
○ 2026-03-29 08:21:26
○ 2026-04-12 06:31:52
●A89.22.114.712026-03-29 → 2026-04-12 · 3 obs
○ 2017-08-20 19:58:16
● 2026-03-29 08:21:26
● 2026-04-12 06:31:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
schulhefte.densa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de, nsd8.schlundtech.de-

✅ Authoritative Response

Server:185.132.34.227

NS records: nsa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de, nsd8.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schulhefte.de (unsigned zone)

⏱️ Timing

Total: 626ms | Queries: -

📄 Records

TypeCountSample Data
A189.22.114.71
NS4nsd8.schlundtech.de, nsc8.schlundtech.de...
SOA1nsa8.schlundtech.de holzmann.spread-blue

Analysis

IP Addresses

schulhefte.de points to an IP address: 89.22.114.71.

other host names include schulplakat.de, schoolnews.de, schulmarketing.com, busybook.at and schuelerzeitung.eu; they share IP numbers with schulhefte.de.

Name Servers

schulhefte.de delegates to four name servers: nsa8.schlundtech.de, nsb8.schlundtech.de, nsc8.schlundtech.de and nsd8.schlundtech.de.

schulhefte.de at least partially shares name servers with other domains, for instance dom-group.at, david-erleben.de, heret.com, weintour.tv and sonic-group.de.

Host names with two IP numbers: nsa8.schlundtech.de points to 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227; nsb8.schlundtech.de points to 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227; nsc8.schlundtech.de points to 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227; nsd8.schlundtech.de points to 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.