sourceflow.ch - dns.ninja
sourceflow.ch
ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.ch ⭐ | ||||||
| NS | b.nic.ch | ||||||
| NS | d.nic.ch | ||||||
| NS | e.nic.ch | ||||||
| NS | f.nic.ch | ||||||
| SOA | a.nic.chdns-operation@switch.ch 2026-06-14 #18 | ||||||
Same first word
Similar names
wolfsource.com |
wolfcourse.com |
courseflow.net |
courseflow.org |
flowcourse.com |
sourcewolf.com |
courseflow.com |
wolfsource.org |
flowsource.co.uk |
flowsource.com |
DNS History
20 records (10 active, 10 former)
●NShelium.ns.hetzner.de2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●NShydrogen.ns.hetzner.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
○NSns1.defunced.de2017-01-01 → 2018-06-24 · 5 obs
● 2017-01-01 20:17:20
● 2018-06-24 04:53:50
○ 2026-02-24 05:00:02
○ 2026-06-14 07:39:10
○NSns1.medialize.de2015-06-28 → 2016-04-17 · 4 obs
● 2016-04-17 16:35:36
○ 2017-01-01 20:17:20
○ 2026-06-14 07:39:10
○NSns2.defunced.de2017-01-01 → 2018-06-24 · 5 obs
● 2017-01-01 20:17:20
● 2018-06-24 04:53:50
○ 2026-02-24 05:00:02
○ 2026-06-14 07:39:10
○NSns2.medialize.de2015-06-28 → 2016-04-17 · 4 obs
● 2016-04-17 16:35:36
○ 2017-01-01 20:17:20
○ 2026-06-14 07:39:10
●NSoxygen.ns.hetzner.com2026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●MXalt1.aspmx.l.google.com2017-01-01 → 2026-06-14 · 5 obs
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●MXalt2.aspmx.l.google.com2017-01-01 → 2026-06-14 · 5 obs
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●MXalt3.aspmx.l.google.com2017-01-01 → 2026-06-14 · 5 obs
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●MXalt4.aspmx.l.google.com2017-01-01 → 2026-06-14 · 5 obs
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
●MXaspmx.l.google.com2017-01-01 → 2026-06-14 · 5 obs
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
○MXmail.termitel.de2018-06-24 → 2018-06-24 · 4 obs
● 2018-06-24 04:53:50
○ 2026-02-24 05:00:02
○ 2026-06-14 07:39:10
○MXnewton.termitel.de2015-06-28 → 2016-04-17 · 4 obs
● 2016-04-17 16:35:36
○ 2017-01-01 20:17:20
○ 2026-06-14 07:39:10
○A213.146.254.1062015-11-04 → 2016-01-26 · 5 obs
● 2015-11-04 23:38:30
● 2016-01-26 13:12:18
○ 2016-04-17 16:35:36
○ 2026-06-14 07:39:10
●A2a01:4f9:c010:b86::12026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
○A2a03:b0c0:3:d0::3154:30012018-06-24 → 2018-06-24 · 4 obs
● 2018-06-24 04:53:50
○ 2026-02-24 05:00:02
○ 2026-06-14 07:39:10
○A46.101.101.932018-06-24 → 2018-06-24 · 4 obs
● 2018-06-24 04:53:50
○ 2026-02-24 05:00:02
○ 2026-06-14 07:39:10
●A65.21.6.532026-02-24 → 2026-06-14 · 3 obs
● 2026-02-24 05:00:02
● 2026-06-14 07:39:10
○A93.189.153.102015-06-28 → 2017-01-01 · 7 obs
○ 2015-11-04 23:38:30
○ 2016-01-26 13:12:18
● 2016-04-17 16:35:36
● 2017-01-01 20:17:20
○ 2018-06-24 04:53:50
○ 2026-06-14 07:39:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| sourceflow.ch | oxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com | - |
✅ Authoritative Response
Server:213.133.100.98
NS records: oxygen.ns.hetzner.com, helium.ns.hetzner.de, hydrogen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sourceflow.ch (unsigned zone)
⏱️ Timing
Total: 833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 65.21.6.53 |
| AAAA | 1 | 2a01:4f9:c010:b86::1 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=szj48PtNLCA6hkY |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
IP Addresses
sourceflow.ch points to two IP numbers: 65.21.6.53 and 2a01:4f9:c010:b86::1.
Other host names, among them static.53.6.21.65.clients.your-server.de and sourceflow.de, have IP numbers in common with sourceflow.ch.
Name Servers
Three name servers are authoritative for sourceflow.ch: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
At least some of sourceflow.ch's name servers are shared with other domains, for example teufl.org, location4events.de, hthmail.at and two more.
These name servers tend to be used in conjunction with the name servers ns1.first-ns.de.
hydrogen.ns.hetzner.com resolves to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com resolves to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de resolves to 193.47.99.5 and 2001:67c:192c::add:5. All three hostnames point to two IP numbers each.
Mail Servers
Five mail servers handle sourceflow.ch: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by sourceflow.ch are shared with other domains: vairstudio.com, kodengo.com, travelstart.fi and two others among them.
It is common to find these mail servers paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx2.googlemail.com, as well as two others.
Host names pointing to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 172.253.62.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.