openbib.org - robtex.com
openbib.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:4472::11:7602🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 188.68.47.120🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.openbib.org ⭐ | ||||||
| A | 188.68.47.122🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f7a.netcup.net | ||||||
| MX | mx2f7a.netcup.net(50) | ||||||
| A | 188.68.47.122🇩🇪 netcup-AS188.68.47.0/24 | ||||||
| PTR | mx2f7a.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2020-02-26 #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=1774498760 | ||||||
Subdomains
mail.openbib.org |
Same first word
DNS History
11 records (7 active, 4 former)
○NSns.second-ns.com2015-06-04 → 2018-01-17 · 4 obs
● 2018-01-17 18:40:00
○ 2026-03-01 13:04:50
○ 2026-03-26 04:52:40
○NSns1.your-server.de2015-06-04 → 2018-01-17 · 4 obs
● 2018-01-17 18:40:00
○ 2026-03-01 13:04:50
○ 2026-03-26 04:52:40
○NSns3.second-ns.de2015-06-04 → 2018-01-17 · 4 obs
● 2018-01-17 18:40:00
○ 2026-03-01 13:04:50
○ 2026-03-26 04:52:40
●NSroot-dns.netcup.net2026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
●NSsecond-dns.netcup.net2026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
●NSthird-dns.netcup.net2026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
●MXmail.openbib.org2015-06-04 → 2026-03-26 · 2 obs
● 2026-03-26 04:52:40
●MXmx2f7a.netcup.net2026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
●A188.68.47.1202026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
○A213.133.104.462015-06-04 → 2018-01-17 · 4 obs
● 2018-01-17 18:40:00
○ 2026-03-01 13:04:50
○ 2026-03-26 04:52:40
●A2a03:4000:30:4472::11:76022026-03-01 → 2026-03-26 · 3 obs
● 2026-03-01 13:04:50
● 2026-03-26 04:52:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| openbib.org | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openbib.org (unsigned zone)
⏱️ Timing
Total: 353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.47.120 |
| AAAA | 1 | 2a03:4000:30:4472::11:7602 |
| NS | 3 | root-dns.netcup.net, third-dns.netcup.net... |
| MX | 2 | mail.openbib.org (pri: 10), mx2f7a.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of mail.openbib.org is openbib.org.
IP Addresses
openbib.org resolves to two IP numbers: 2a03:4000:30:4472::11:7602 and 188.68.47.120.
Other host names, for instance cam.91x.de, sigtrap.de, jgv-en.de, axel-hoelscher.de and kollles.de share IP numbers with openbib.org.
Name Servers
openbib.org is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
openbib.org partially shares name servers with other domains; examples include ohne-elf.de, imagotech.com, madtech.at, kindergruppe-kuekennest.at and 5ii.de.
Host names with two IP numbers:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
openbib.org is handled by two mail servers: mx2f7a.netcup.net and mail.openbib.org.
openbib.org shares some mail servers with other domains, at least partially, such as 4dconcraft.de, 0ne-drive.com, oberland-data.de, anyfilm.de and sailltmor.com.
These mail servers are often used together with mail.4dconcraft.de and mail.0ne-drive.com.
Host names with one IP number
Host name mx2f7a.netcup.net points to 188.68.47.122
Host name mail.openbib.org points to 188.68.47.122
Host names that point to 188.68.47.122: mx2f7a.netcup.net and mail.openbib.org