sysimprove.dk - dns.ninja
sysimprove.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:436b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:dd60🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.67.107Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.96🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | chan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c052🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2052🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| A | 108.162.192.82🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| A | 172.64.32.82🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| A | 173.245.58.82🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chan.ns.cloudflare.com | ||||||
| NS | woz.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b96🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c196🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2196🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 108.162.193.150🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 172.64.33.150🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| A | 173.245.59.150🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | woz.ns.cloudflare.com | ||||||
| MX | mail.sysimprove.dk ⭐ | ||||||
| A | 195.201.240.207🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC | ||||||
| PTR | static.207.240.201.195.clients.your-server.de | ||||||
| TXT | v=spf1 include:eu.mailgun.org ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.67.107, 172.67.221.96 | ||||||
| IPv6 hints | 2606:4700:3035::6815:436b, 2606:4700:3036::ac43:dd60 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=49, name=cloudflare-ech.com | ||||||
| SOA | chan.ns.cloudflare.comdns@cloudflare.com serial=2410848037 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1785492541localtime Fri Jul 31 12:09:01 2026gmtime Fri Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785492547 | ||||||
Subdomains
mail.sysimprove.dk |
Same first word
sysimprove.dk |
Similar names
DNS History
12 records (7 active, 5 former)
●NSchan.ns.cloudflare.com2026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
●NSwoz.ns.cloudflare.com2026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
●MXmail.sysimprove.dk2026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
●A104.21.67.1072026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
●A172.67.221.962026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
○A188.114.96.02026-03-03 → 2026-07-31 · 2 obs
○ 2026-07-31 10:12:06
○A188.114.97.02026-03-03 → 2026-07-31 · 2 obs
○ 2026-07-31 10:12:06
●A2606:4700:3035::6815:436b2026-03-03 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
○A2606:4700:3035::ac43:dd602026-03-03 → 2026-06-16 · 3 obs
● 2026-06-16 04:03:52
○ 2026-07-31 10:12:06
●A2606:4700:3036::ac43:dd602026-07-31 → 2026-07-31 · 2 obs
● 2026-07-31 10:12:06
○A2a06:98c1:3120::2026-03-03 → 2026-07-31 · 2 obs
○ 2026-07-31 10:12:06
○A2a06:98c1:3121::2026-03-03 → 2026-07-31 · 2 obs
○ 2026-07-31 10:12:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, h.nic.dk, c.nic.dk, b.nic.dk... | - |
| sysimprove.dk | woz.ns.cloudflare.com, chan.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.150
NS records: woz.ns.cloudflare.com, chan.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysimprove.dk (unsigned zone)
⏱️ Timing
Total: 1708ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.67.107, 172.67.221.96 |
| AAAA | 2 | 2606:4700:3036::ac43:dd60, 2606:4700:3035::6815:436b |
| NS | 2 | chan.ns.cloudflare.com, woz.ns.cloudflare.com |
| MX | 1 | mail.sysimprove.dk (pri: 10) |
| TXT | 1 | v=spf1 include:eu.mailgun.org ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | chan.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
sysimprove.dk is the parent zone for mail.sysimprove.dk.
IP Addresses
sysimprove.dk has four IP addresses: 104.21.67.107, 172.67.221.96, 2606:4700:3035::6815:436b and 2606:4700:3036::ac43:dd60.
Additional host names — riku.ru, kosmha.site, pjpmowxy.com and two others — share IP numbers with sysimprove.dk.
Name Servers
sysimprove.dk has two authoritative name servers — chan.ns.cloudflare.com and woz.ns.cloudflare.com.
sysimprove.dk shares its name server setup with other domains, including avsharoglu.com, pixreview.com, mani.az and two others.
sysimprove.dk partially shares its NS delegation with several other domains, including vitalfloraan.info, the-collaborative.com, adamjones.org and two others.
These name servers are regularly seen alongside merlin.ns.cloudflare.com and doug.ns.cloudflare.com as name servers.
Host names with 6 IP numbers:
chan.ns.cloudflare.com points to 108.162.192.82, 172.64.32.82, 173.245.58.82 and 3 other IP addresses.
woz.ns.cloudflare.com points to 108.162.193.150, 172.64.33.150, 173.245.59.150 and 3 other IP addresses.
Mail Servers
sysimprove.dk has one mail server: mail.sysimprove.dk.
mail.sysimprove.dk points to one IP number — 195.201.240.207.