polymake.org - dns.ninja
polymake.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 130.149.13.185🇩🇪 DFN130.149.0.0/16 TUB | ||||||
| PTR | polymake.math.tu-berlin.de | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | www226.your-server.de ⭐ | ||||||
| A | 2a01:4f8:d0a:11fc::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | www226.your-server.de | ||||||
| A | 188.40.28.6🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | www226.your-server.de | ||||||
| TXT | v=spf1 +a +mx +ip4:130.149.13.185 +ip4:130.149.12.44 -all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-02-05 #0 | ||||||
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=1786332363 | ||||||
📈 Tranco rank: #258,665
Subdomains
forum.polymake.org |
Same first word
polymake.org |
Similar names
DNS History
8 records (5 active, 3 former)
●NSns.second-ns.com2026-04-18 → 2026-08-10 · 3 obs
● 2026-04-18 20:25:30
● 2026-08-10 04:05:08
○NSns1.hans.hosteurope.de2015-07-06 → 2017-12-07 · 4 obs
● 2017-12-07 18:20:40
○ 2026-04-18 20:25:30
○ 2026-08-10 04:05:08
●NSns1.your-server.de2026-04-18 → 2026-08-10 · 3 obs
● 2026-04-18 20:25:30
● 2026-08-10 04:05:08
○NSns2.hans.hosteurope.de2015-07-06 → 2017-12-07 · 4 obs
● 2017-12-07 18:20:40
○ 2026-04-18 20:25:30
○ 2026-08-10 04:05:08
●NSns3.second-ns.de2026-04-18 → 2026-08-10 · 3 obs
● 2026-04-18 20:25:30
● 2026-08-10 04:05:08
○MXmx0.polymake.org2015-07-06 → 2017-12-07 · 4 obs
● 2017-12-07 18:20:40
○ 2026-04-18 20:25:30
○ 2026-08-10 04:05:08
●MXwww226.your-server.de2026-04-18 → 2026-08-10 · 3 obs
● 2026-04-18 20:25:30
● 2026-08-10 04:05:08
●A130.149.13.1852015-07-06 → 2026-08-10 · 2 obs
● 2026-08-10 04:05:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| polymake.org | ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de | - |
✅ Authoritative Response
Server:193.47.99.4
NS records: ns3.second-ns.de, ns.second-ns.com, ns1.your-server.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymake.org (unsigned zone)
⏱️ Timing
Total: 339ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 130.149.13.185 |
| NS | 3 | ns3.second-ns.de, ns.second-ns.com... |
| MX | 1 | www226.your-server.de (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:130.149.13.185 +ip4:1 |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
Analysis
Hierarchy
forum.polymake.org is delegated beneath polymake.org.
IP Addresses
polymake.org directs to one IP number, which is 130.149.13.185.
Further host names like forum.polymake.org and polymake.math.tu-berlin.de overlap in IP numbers with polymake.org.
Name Servers
Three name servers are authoritative for polymake.org: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
There is at least partial name server overlap between polymake.org and other domains — sparkassen-immowelt.de, weinhaus-stainz.at, kujundzic.de and two more among them.
ns.second-ns.com resolves to 213.239.204.242 and 2a01:4f8:0:a101::b:1. ns3.second-ns.de resolves to 193.47.99.4 and 2001:67c:192c::add:b3. ns1.your-server.de resolves to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1. All three hostnames point to two IP numbers each.
Mail Servers
polymake.org routes its mail through a single mail server, www226.your-server.de.
polymake.org has the same mail server arrangement as a number of other domains, for example openair-exterieur.com, zukd.net, user.at and two more.
www226.your-server.de carries two IP numbers: 188.40.28.6 and 2a01:4f8:d0a:11fc::2.