refa-institut.de - robtex.com
refa-institut.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1773553752 | ||||||
Same first word
refa-institut.de |
DNS History
12 records (5 active, 7 former)
●NSdocks07.rzone.de2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 07:15:26
● 2026-03-23 07:15:28
○NSnsa9.schlundtech.de2015-07-03 → 2018-09-22 · 4 obs
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
○NSnsb9.schlundtech.de2015-07-03 → 2018-09-22 · 4 obs
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
○NSnsc9.schlundtech.de2015-07-03 → 2018-09-22 · 4 obs
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
○NSnsd9.schlundtech.de2015-07-03 → 2018-09-22 · 4 obs
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
●NSshades06.rzone.de2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 07:15:26
● 2026-03-23 07:15:28
○MXhelios.incloud.de2015-07-03 → 2015-11-12 · 4 obs
● 2015-11-12 12:06:24
○ 2016-02-02 05:56:48
○ 2026-03-23 07:15:28
○MXmxpool.de2.hostedoffice.ag2016-02-02 → 2018-09-22 · 5 obs
● 2016-02-02 05:56:48
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
●MXrefainstitut-de01b.mail.protection.outlook.com2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 07:15:26
● 2026-03-23 07:15:28
●A2a01:238:20a:202:1088::2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 07:15:26
● 2026-03-23 07:15:28
○A62.75.182.792015-07-03 → 2018-09-22 · 4 obs
● 2018-09-22 07:48:46
○ 2026-03-23 07:15:26
○ 2026-03-23 07:15:28
●A81.169.145.882026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 07:15:26
● 2026-03-23 07:15:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| refa-institut.de | docks07.rzone.de, shades06.rzone.de | - |
✅ Authoritative Response
Server:185.132.34.133
NS records: docks07.rzone.de, shades06.rzone.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refa-institut.de (unsigned zone)
⏱️ Timing
Total: 1101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.169.145.88 |
| AAAA | 1 | 2a01:238:20a:202:1088:: |
| NS | 2 | docks07.rzone.de, shades06.rzone.de |
| MX | 1 | refainstitut-de01b.mail.protection.outlo |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, TXT Record MS=ms98824605 |
| SOA | 1 | docks07.rzone.de hostmaster.strato-rz.de |
Analysis
IP Addresses
Two IP numbers are pointed to by refa-institut.de: 2a01:238:20a:202:1088:: and 81.169.145.88.
other host names include agorai.de, rasterkarten.de, webeso.de, paca-online.de and zschoecky.de; they share IP numbers with refa-institut.de.
Name Servers
Two name servers docks07.rzone.de and shades06.rzone.de handle the delegation for refa-institut.de.
refa-institut.de shares the same name server setup as other domains, for instance vanderschaaf.net, uniting.de, vecat.de, gutachter24.at and meinbadhonnef.de.
refa-institut.de at least partially shares name servers with other domains, for instance raido.de, coopfun.eu, food-artist.com, rcbl.de and bondarev.de.
these name servers are commonly used with docks10.rzone.de, shades15.rzone.de, shades07.rzone.de, docks17.rzone.de, shades11.rzone.de, shades12.rzone.de, shades09.rzone.de, shades10.rzone.de, docks16.rzone.de and docks06.rzone.de.
Host names with two IP numbers:
docks07.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:7 and 217.160.80.134.
shades06.rzone.de points to 2607:f1c0:fe:53:185:132:34:133 and 185.132.34.133.
Mail Servers
refa-institut.de is handled by a single mail server, refainstitut-de01b.mail.protection.outlook.com.
Hostname refainstitut-de01b.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca27::, 2a01:111:f403:ca2d::, 2a01:111:f403:ca2d::1, 2a01:111:f403:ca2d::2, 52.101.168.0, 52.101.170.0, 52.101.170.1 and 52.101.170.2.