oledu.net - robtex.com
oledu.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.183.186.76🇩🇪 EWETEL213.183.160.0/19 nordCom via EWETEL | ||||||
| PTR | leasedline-static-213-183-186-076.ewe-ip-backbone.de | ||||||
| NS | ans0.ewetel.de ⭐ | ||||||
| A | 80.228.127.14🇩🇪 EWETEL80.228.0.0/16 DE-EWETEL-20011218 | ||||||
| PTR | ans0.ewetel.de | ||||||
| NS | ans1.ewetel.net | ||||||
| A | 213.170.187.14🇩🇪 EWETEL213.170.160.0/19 -NET3 | ||||||
| PTR | ans1.ewetel.net | ||||||
| NS | ans2.ewetel.de | ||||||
| A | 212.6.121.254🇩🇪 EWETEL212.6.64.0/18 DE-EWETEL-19990601 | ||||||
| PTR | ans2.ewetel.de | ||||||
| NS | ans3.ewetel.net | ||||||
| A | 85.16.255.14🇩🇪 EWETEL85.16.0.0/16 DE-EWETEL-20050307 | ||||||
| PTR | ans3.ewetel.net | ||||||
| MX | nomail.oledu.net ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ans0.ewetel.dehostmaster@ewetel.de 2026-06-17 #2 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786412524 | ||||||
Same first word
Similar names
DNS History
18 records (6 active, 12 former)
●NSans0.ewetel.de2026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
●NSans1.ewetel.net2026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
●NSans2.ewetel.de2026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
●NSans3.ewetel.net2026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
○NSdns.m6.net2007-09-20 → 2007-09-20 · 3 obs
○ 2015-06-03 21:22:36
○ 2026-08-11 02:12:58
○NSf1g1ns1.dnspod.net2015-06-03 → 2015-10-19 · 5 obs
● 2015-06-03 21:22:36
● 2015-10-19 18:26:46
○ 2016-01-03 20:30:42
○ 2026-08-11 02:12:58
○NSf1g1ns2.dnspod.net2015-06-03 → 2015-10-19 · 5 obs
● 2015-06-03 21:22:36
● 2015-10-19 18:26:46
○ 2016-01-03 20:30:42
○ 2026-08-11 02:12:58
○NSnic.m6.net2007-09-20 → 2007-09-20 · 3 obs
○ 2015-06-03 21:22:36
○ 2026-08-11 02:12:58
○NSns1ntw.name.com2017-11-18 → 2017-11-18 · 4 obs
● 2017-11-18 11:47:18
○ 2026-06-27 13:40:44
○ 2026-08-11 02:12:58
○NSns2dfg.name.com2017-11-18 → 2017-11-18 · 4 obs
● 2017-11-18 11:47:18
○ 2026-06-27 13:40:44
○ 2026-08-11 02:12:58
○NSns3bfm.name.com2017-11-18 → 2017-11-18 · 4 obs
● 2017-11-18 11:47:18
○ 2026-06-27 13:40:44
○ 2026-08-11 02:12:58
○NSns4sxy.name.com2017-11-18 → 2017-11-18 · 4 obs
● 2017-11-18 11:47:18
○ 2026-06-27 13:40:44
○ 2026-08-11 02:12:58
○MXmail.oledu.net2007-09-20 → 2007-09-20 · 3 obs
○ 2015-06-03 21:22:36
○ 2026-08-11 02:12:58
●MXnomail.oledu.net2026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
○A160.153.47.342015-06-03 → 2015-10-19 · 5 obs
● 2015-06-03 21:22:36
● 2015-10-19 18:26:46
○ 2016-01-03 20:30:42
○ 2026-08-11 02:12:58
●A213.183.186.762026-06-27 → 2026-08-11 · 3 obs
● 2026-06-27 13:40:44
● 2026-08-11 02:12:58
○A69.64.147.2422017-11-18 → 2017-11-18 · 4 obs
● 2017-11-18 11:47:18
○ 2026-06-27 13:40:44
○ 2026-08-11 02:12:58
○A70.86.161.1302007-09-20 → 2007-09-20 · 3 obs
○ 2015-06-03 21:22:36
○ 2026-08-11 02:12:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net... | - |
| oledu.net | ans1.ewetel.net, ans3.ewetel.net, ans0.ewetel.de, ans2.ewetel.de | 2 records |
✅ Authoritative Response
Server:212.6.121.254
NS records: ans1.ewetel.net, ans3.ewetel.net, ans0.ewetel.de, ans2.ewetel.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oledu.net (unsigned zone)
⏱️ Timing
Total: 1064ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.183.186.76 |
| NS | 4 | ans1.ewetel.net, ans3.ewetel.net... |
| MX | 1 | nomail.oledu.net (pri: 10) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ans0.ewetel.de hostmaster.ewetel.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ans1.ewetel.net, ans3.ewetel.net)
Analysis
IP Addresses
oledu.net directs to one IP number, which is 213.183.186.76.
Name Servers
The domain oledu.net is delegated to these four name servers: ans0.ewetel.de, ans2.ewetel.de, ans1.ewetel.net and ans3.ewetel.net.
There is at least partial name server overlap between oledu.net and other domains — 112.228.80.in-addr.arpa, 192.16.85.in-addr.arpa, job4u-networx.de and two more among them.
These name servers frequently co-occur with the name servers ns.medien-systempartner.de and bodo.gkdpb.de.
ans0.ewetel.de resolves to 80.228.127.14. ans2.ewetel.de resolves to 212.6.121.254. ans1.ewetel.net resolves to 213.170.187.14. ans3.ewetel.net resolves to 85.16.255.14. All four hosts carry exactly one IP address.
Mail Servers
oledu.net routes its mail through a single mail server, nomail.oledu.net.