qdu.org - robtex.com
qdu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786577286 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.sedoparking.com2015-06-04 → 2017-01-15 · 4 obs
● 2017-01-15 09:06:54
○ 2026-07-14 12:18:14
○ 2026-08-12 23:47:48
○NSns2.sedoparking.com2015-06-04 → 2017-01-15 · 4 obs
● 2017-01-15 09:06:54
○ 2026-07-14 12:18:14
○ 2026-08-12 23:47:48
●NSsl1.sedo.com2026-07-14 → 2026-08-12 · 3 obs
● 2026-07-14 12:18:14
● 2026-08-12 23:47:48
●NSsl2.sedo.com2026-07-14 → 2026-08-12 · 3 obs
● 2026-07-14 12:18:14
● 2026-08-12 23:47:48
●MXlocalhost2016-10-11 → 2026-08-12 · 5 obs
● 2016-10-11 22:22:34
● 2017-01-15 09:06:54
○ 2026-07-14 12:18:14
● 2026-08-12 23:47:48
○MXmail.nickstel.com2015-06-04 → 2016-07-13 · 4 obs
● 2016-07-13 17:44:06
○ 2016-10-11 22:22:34
○ 2026-08-12 23:47:48
○A72.52.4.1192015-06-04 → 2017-01-15 · 4 obs
● 2017-01-15 09:06:54
○ 2026-07-14 12:18:14
○ 2026-08-12 23:47:48
●A91.195.241.2322026-08-12 → 2026-08-12 · 2 obs
● 2026-08-12 23:47:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| qdu.org | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.240.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qdu.org (unsigned zone)
⏱️ Timing
Total: 425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl2.sedo.com, sl1.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
qdu.org directs to one IP number, which is 91.195.241.232.
Among the host names that share IP numbers with qdu.org are academiccourses.eu, sewco.de, hostmaster.adult-dessous.de and two others.
Name Servers
The NS records for qdu.org delegate to sl1.sedo.com and sl2.sedo.com.
qdu.org has the same name server delegation as a number of other domains, such as trust-id.de, strain.in, scbank.de and two more.
qdu.org and other domains like bolit.de share at least a portion of their name servers.
sl1.sedo.com resolves to 91.195.240.173. sl2.sedo.com resolves to 91.195.241.173. Both host names point to a single IP number.
Mail Servers
qdu.org routes its mail through a single mail server, localhost.
qdu.org has the same mail server arrangement as a number of other domains, for example www.psicologia.com.es, mixedauctions.com, cubawines.com and two more.