studyhall.de - dns.ninja

studyhall.de

DNSSEC⚠️ Not signed
A91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl1.sedo.com
A91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
NSsl2.sedo.com
A91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI
MXlocalhost
TXTv=spf1 -all
SOAsl1.sedo.comhostmaster@sedo.de 2018-05-16 #1

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=1782903027

Subdomains

Same first word

DNS History

4 records (4 active, 0 former)

NSsl1.sedo.comsl2.sedo.comMXlocalhostA91.195.241.232
NSsl1.sedo.com2026-03-28 → 2026-07-01 · 2 obs
● 2026-03-28 23:34:16
● 2026-07-01 11:05:38
NSsl2.sedo.com2026-03-28 → 2026-07-01 · 2 obs
● 2026-03-28 23:34:16
● 2026-07-01 11:05:38
MXlocalhost2026-03-28 → 2026-07-01 · 2 obs
● 2026-03-28 23:34:16
● 2026-07-01 11:05:38
A91.195.241.2322026-03-28 → 2026-07-01 · 2 obs
● 2026-03-28 23:34:16
● 2026-07-01 11:05:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
studyhall.desl1.sedo.com, sl2.sedo.com-

✅ Authoritative Response

Server:91.195.241.173

NS records: sl1.sedo.com, sl2.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyhall.de (unsigned zone)

⏱️ Timing

Total: 986ms | Queries: -

📄 Records

TypeCountSample Data
A191.195.241.232
NS2sl1.sedo.com, sl2.sedo.com
MX1localhost (pri: 0)
TXT1v=spf1 -all
SOA1sl1.sedo.com hostmaster.sedo.de

Analysis

Hierarchy

mail.studyhall.de is delegated beneath studyhall.de.

IP Addresses

studyhall.de has exactly one IP address — 91.195.241.232.

imgmodels.de, mi6.online, anna.si plus two other host names have IP numbers in common with studyhall.de.

Name Servers

studyhall.de is delegated to two name servers: sl1.sedo.com and sl2.sedo.com.

The name server configuration of studyhall.de is shared with other domains, for instance vipocean.de, ipx.eu, superseal.eu and two others.

sl1.sedo.com91.195.240.173 and sl2.sedo.com91.195.241.173: one IP number per host name.

Mail Servers

studyhall.de uses one mail server — localhost.

The mail server setup of studyhall.de matches that of other domains such as gbnt.com, 5rock.com, splmeters.com and two others.