proref.de - dns.ninja

proref.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=1782906599

Same first word

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proref.nl
proref.net
proref.no
proref.fr
proref.eu
proref.com
proref.se
proref.de

Similar names

profer.ru
erpfor.me
perfor.com
refpro.co.uk
frepro.sk
profer.cz
reprof.cz
frepro.eu
profer.com.br
refpro.com.au
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ferpro.com.br
profer.org
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repfor.com
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perfor.ind.br
profer.at
frepro.com
profer.eu
profer.net
profer.es
forrep.com
forper.se
erprof.cz
refpro.fr
refpro.ca
perfor.me
forper.fr
prefor.com
forper.com
forerp.com
ferpro.com
perfor.ru
perfor.be

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSsl1.sedo.comsl2.sedo.comns65.1und1.dens66.1und1.deMXlocalhostmx00.kundenserver.demx01.kundenserver.deA91.195.241.232217.160.233.19587.106.152.203
○NSns65.1und1.de2015-07-03 → 2017-08-19 · 4 obs
● 2015-07-03 05:19:20
● 2017-08-19 15:47:34
○ 2026-03-27 13:54:20
○ 2026-07-01 12:04:44
○NSns66.1und1.de2015-07-03 → 2017-08-19 · 4 obs
● 2015-07-03 05:19:20
● 2017-08-19 15:47:34
○ 2026-03-27 13:54:20
○ 2026-07-01 12:04:44
●NSsl1.sedo.com2026-03-27 → 2026-07-01 · 3 obs
○ 2017-08-19 15:47:34
● 2026-03-27 13:54:20
● 2026-07-01 12:04:44
●NSsl2.sedo.com2026-03-27 → 2026-07-01 · 3 obs
○ 2017-08-19 15:47:34
● 2026-03-27 13:54:20
● 2026-07-01 12:04:44
●MXlocalhost2026-03-27 → 2026-07-01 · 3 obs
○ 2017-08-19 15:47:34
● 2026-03-27 13:54:20
● 2026-07-01 12:04:44
○MXmx00.kundenserver.de2015-07-03 → 2017-08-19 · 4 obs
● 2015-07-03 05:19:20
● 2017-08-19 15:47:34
○ 2026-03-27 13:54:20
○ 2026-07-01 12:04:44
○MXmx01.kundenserver.de2015-07-03 → 2017-08-19 · 4 obs
● 2015-07-03 05:19:20
● 2017-08-19 15:47:34
○ 2026-03-27 13:54:20
○ 2026-07-01 12:04:44
○A217.160.233.1952016-11-24 → 2017-08-19 · 5 obs
○ 2016-04-07 20:40:46
● 2016-11-24 19:37:14
● 2017-08-19 15:47:34
○ 2026-03-27 13:54:20
○ 2026-07-01 12:04:44
○A87.106.152.2032015-07-03 → 2016-04-07 · 4 obs
● 2015-07-03 05:19:20
● 2016-04-07 20:40:46
○ 2016-11-24 19:37:14
○ 2026-07-01 12:04:44
●A91.195.241.2322026-03-27 → 2026-07-01 · 3 obs
○ 2017-08-19 15:47:34
● 2026-03-27 13:54:20
● 2026-07-01 12:04:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
proref.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 proref.de (unsigned zone)

⏱️ Timing

Total: 855ms | 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

IP Addresses

proref.de points to a single IP number: 91.195.241.232.

Additional host names — onp.info, czwww.bazarshop.eu, poczta.solidfloor.eu and two others — share IP numbers with proref.de.

Name Servers

proref.de uses two name servers for its delegation: sl1.sedo.com and sl2.sedo.com.

proref.de shares its name server setup with other domains, including fireglow.de, mail.bizz.in, mail.asnef.eu and two others.

Both sl1.sedo.com and sl2.sedo.com have a single IP address each — sl1.sedo.com resolves to 91.195.240.173 while sl2.sedo.com resolves to 91.195.241.173.

Mail Servers

proref.de has one mail server: localhost.

proref.de shares the same mail server setup as other domains, including internationale-hochschule.de, mail.thehandthatfeedsyou.com, erlesenes.com and two others.