aclib.net - dns.ninja
aclib.net
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=1784984787 | ||||||
Same first word
Similar names
DNS History
21 records (13 active, 8 former)
○NSatlas.informatik.uni-freiburg.de2015-04-30 → 2017-02-19 · 4 obs
● 2017-02-19 02:51:24
○ 2026-03-15 19:03:36
○ 2026-07-25 13:29:52
●NSdhcp.fun.uni-freiburg.de2026-03-15 → 2026-07-25 · 3 obs
● 2026-03-15 19:03:36
● 2026-07-25 13:29:52
●NSdns0.fun.uni-freiburg.de2015-04-30 → 2026-07-25 · 2 obs
● 2026-07-25 13:29:52
●NSdns1.fun.uni-freiburg.de2015-04-30 → 2026-07-25 · 2 obs
● 2026-07-25 13:29:52
●NSdns5.belwue.de2026-03-15 → 2026-07-25 · 3 obs
● 2026-03-15 19:03:36
● 2026-07-25 13:29:52
●MXa1421.mx.srv.dfn.de2026-03-15 → 2026-07-25 · 6 obs
● 2026-03-15 19:03:36
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
●MXb1421.mx.srv.dfn.de2026-03-15 → 2026-07-25 · 6 obs
● 2026-03-15 19:03:36
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
●MXc1421.mx.srv.dfn.de2026-03-15 → 2026-07-25 · 6 obs
● 2026-03-15 19:03:36
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
○MXmailgateway1.uni-freiburg.de2015-04-30 → 2016-06-27 · 4 obs
● 2016-06-27 19:54:44
○ 2017-02-19 02:51:24
○ 2026-07-25 13:29:52
○MXmailgateway2.uni-freiburg.de2015-04-30 → 2016-06-27 · 4 obs
● 2016-06-27 19:54:44
○ 2017-02-19 02:51:24
○ 2026-07-25 13:29:52
○MXmfilter-142-1-1.mx.srv.dfn.de2017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 02:51:24
○ 2026-03-15 19:03:36
○ 2026-07-25 13:29:52
○MXmfilter-142-1-2.mx.srv.dfn.de2017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 02:51:24
○ 2026-03-15 19:03:36
○ 2026-07-25 13:29:52
○MXmfilter-142-1-3.mx.srv.dfn.de2017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 02:51:24
○ 2026-03-15 19:03:36
○ 2026-07-25 13:29:52
○MXmx1.informatik.uni-freiburg.de2015-04-30 → 2016-06-27 · 4 obs
● 2016-06-27 19:54:44
○ 2017-02-19 02:51:24
○ 2026-07-25 13:29:52
●MXsmtp1.informatik.uni-freiburg.de2017-02-19 → 2026-07-25 · 6 obs
● 2017-02-19 02:51:24
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
●MXsmtp2.informatik.uni-freiburg.de2017-02-19 → 2026-07-25 · 6 obs
● 2017-02-19 02:51:24
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
●MXsmtp2.uni-freiburg.de2026-03-15 → 2026-07-25 · 6 obs
● 2026-03-15 19:03:36
● 2026-06-05 18:36:56
○ 2026-06-09 12:23:56
● 2026-06-11 07:59:28
● 2026-07-25 13:29:52
●A132.230.153.982026-03-15 → 2026-07-25 · 3 obs
● 2026-03-15 19:03:36
● 2026-07-25 13:29:52
○A132.230.166.402015-04-30 → 2017-02-19 · 4 obs
● 2017-02-19 02:51:24
○ 2026-03-15 19:03:36
○ 2026-07-25 13:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
| aclib.net | dns0.fun.uni-freiburg.de, dns1.fun.uni-freiburg.de, dns3.belwue.de, dns1.belwue.de... | - |
✅ Authoritative Response
Server:129.143.2.10
NS records: dns0.fun.uni-freiburg.de, dns1.fun.uni-freiburg.de, dns3.belwue.de, dns1.belwue.de, dns5.belwue.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aclib.net (unsigned zone)
⏱️ Timing
Total: 834ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 132.230.153.98 |
| NS | 5 | dns0.fun.uni-freiburg.de, dns1.fun.uni-freiburg.de... |
| MX | 6 | smtp2.uni-freiburg.de (pri: 5000), smtp1.informatik.uni-freiburg.de (pri: 3... |
| TXT | 1 | v=spf1 ip4:132.230.150.4 ip4:132.230.150 |
| SOA | 1 | dhcp.fun.uni-freiburg.de hostmaster.rz.u |
Analysis
IP Addresses
aclib.net points to a single IP number: 132.230.153.98.
Additional host names — tfweb.informatik.uni-freiburg.de, informatik.uni-freiburg.de, ml4aad.org and two others — share IP numbers with aclib.net.
Name Servers
aclib.net delegates authority to 6 name servers: dns1.belwue.de, dns3.belwue.de, dns5.belwue.de plus 3 other.
aclib.net partially shares its NS delegation with several other domains, including safetyinthefoodchain.com, fus-hn.de, vba-pforzheim.de and two others.
In DNS configurations, these name servers often share authority with dns0.fun.uni-freiburg.de, dns1.fun.uni-freiburg.de, dhcp.fun.uni-freiburg.de and 7 other name servers.
Host names with two IP numbers:
dns1.belwue.de directs traffic to 129.143.2.10 and 2001:7c0::53:10.
dns3.belwue.de directs traffic to 129.143.253.133 and 2001:7c0:0:253::133.
dns5.belwue.de directs traffic to 129.143.4.5 and 2001:7c0::53:5.
dhcp.fun.uni-freiburg.de directs traffic to 132.230.201.1 and 2001:7c0:2500:3::53:10.
dns0.fun.uni-freiburg.de directs traffic to 132.230.200.200 and 2001:7c0:2500:1::53:0.
dns1.fun.uni-freiburg.de directs traffic to 132.230.201.111 and 2001:7c0:2500:2::53:1.
Mail Servers
The MX records for aclib.net point to 6 mail servers — smtp2.uni-freiburg.de, smtp1.informatik.uni-freiburg.de, smtp2.informatik.uni-freiburg.de and 3 other.
aclib.net shares mail servers — at least in part — with other domains, including makrochem.uni-freiburg.de, slz.uni-freiburg.de, lgrb.uni-freiburg.de and two others.
These mail servers are frequently used alongside mail servers a1421.mx.srv.dfn.de, b1421.mx.srv.dfn.de, c1421.mx.srv.dfn.de and 5 other.
Host names with two IP numbers:
smtp2.uni-freiburg.de directs traffic to 132.230.2.212 and 2001:7c0:2500:4::25:2.
a1421.mx.srv.dfn.de directs traffic to 194.95.232.79 and 2001:638:d:c301:acdc:1979:2:2f.
b1421.mx.srv.dfn.de directs traffic to 194.95.234.79 and 2001:638:d:c302:acdc:1979:2:2f.
c1421.mx.srv.dfn.de directs traffic to 194.95.238.79 and 2001:638:d:c303:acdc:1979:2:2f.
Host names pointing to a single IP address:
smtp1.informatik.uni-freiburg.de has the IP address 132.230.150.4.
smtp2.informatik.uni-freiburg.de has the IP address 132.230.150.5.