graph-tool.com - dns.ninja
graph-tool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.12.93.194🇩🇪 Hetzner49.12.0.0/16 HETZNER-DC | ||||||
| PTR | skewed.de | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-08-07 #1 | ||||||
com
| 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=1786594599 | ||||||
Previously MX for
graph-tool.com |
Same first word
graph-tool.net |
graph-tool.com |
DNS History
9 records (4 active, 5 former)
●NShelium.ns.hetzner.de2026-04-06 → 2026-08-13 · 3 obs
● 2026-04-06 02:59:50
● 2026-08-13 04:39:08
●NShydrogen.ns.hetzner.com2026-04-06 → 2026-08-13 · 3 obs
● 2026-04-06 02:59:50
● 2026-08-13 04:39:08
○NSns1.rimuhosting.com2015-06-07 → 2017-12-02 · 4 obs
● 2017-12-02 13:50:10
○ 2026-04-06 02:59:50
○ 2026-08-13 04:39:08
○NSns2.rimuhosting.com2015-06-07 → 2017-12-02 · 4 obs
● 2017-12-02 13:50:10
○ 2026-04-06 02:59:50
○ 2026-08-13 04:39:08
●NSoxygen.ns.hetzner.com2026-04-06 → 2026-08-13 · 3 obs
● 2026-04-06 02:59:50
● 2026-08-13 04:39:08
○MXgraph-tool.com2015-06-07 → 2017-12-02 · 4 obs
● 2017-12-02 13:50:10
○ 2026-04-06 02:59:50
○ 2026-08-13 04:39:08
●A49.12.93.1942026-04-06 → 2026-08-13 · 3 obs
● 2026-04-06 02:59:50
● 2026-08-13 04:39:08
○A74.50.54.662015-06-07 → 2016-04-17 · 4 obs
● 2016-04-17 23:37:32
○ 2016-11-09 01:14:10
○ 2026-08-13 04:39:08
○A74.50.54.682016-11-09 → 2017-12-02 · 5 obs
● 2016-11-09 01:14:10
● 2017-12-02 13:50:10
○ 2026-04-06 02:59:50
○ 2026-08-13 04:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| graph-tool.com | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | 2 records |
✅ Authoritative Response
Server:193.47.99.5
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for graph-tool.com (unsigned zone)
⏱️ Timing
Total: 1087ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.12.93.194 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)
Analysis
IP Addresses
graph-tool.com directs to one IP number, which is 49.12.93.194.
Among the host names that share IP numbers with graph-tool.com are graph-tool.net, tiagopeixoto.de, graph-tool.skewed.de and two others.
Name Servers
graph-tool.com is served by three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
The name servers of graph-tool.com overlap at least partially with those of other domains — among them mar.dev, codecrawler.de, friendica.me and two more.
These name servers commonly appear in combination with the name servers ns1.your-server.de.
The hostnames hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de each direct to two IP addresses — hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.