sysadmin.dk - dns.ninja
sysadmin.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3033::ac43:c99a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2cac🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.201.154🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dorthy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| A | 173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dorthy.ns.cloudflare.com | ||||||
| NS | kanye.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21bd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| A | 108.162.193.189🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| A | 172.64.33.189🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| A | 173.245.59.189🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kanye.ns.cloudflare.com | ||||||
| MX | sysadmin-dk.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.44.172, 172.67.201.154 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:c99a, 2606:4700:3035::6815:2cac | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=3, name=cloudflare-ech.com | ||||||
| SOA | dorthy.ns.cloudflare.comdns@cloudflare.com serial=2404666234 | ||||||
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 1780559461localtime Thu Jun 4 09:51:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1780559461 | ||||||
Same first word
Similar names
DNS History
16 records (7 active, 9 former)
●NSdorthy.ns.cloudflare.com2026-02-25 → 2026-06-04 · 3 obs
● 2026-02-25 13:06:48
● 2026-06-04 08:22:46
●NSkanye.ns.cloudflare.com2026-02-25 → 2026-06-04 · 3 obs
● 2026-02-25 13:06:48
● 2026-06-04 08:22:46
○NSns1.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○NSns2.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○NSns3.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○NSns4.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○NSns5.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○MXmail.sysadmin.dk2015-11-18 → 2016-02-10 · 4 obs
● 2016-02-10 00:01:44
○ 2016-05-06 18:39:20
○ 2026-06-04 08:22:46
●MXsysadmin-dk.mail.protection.outlook.com2026-06-02 → 2026-06-04 · 3 obs
● 2026-06-02 03:28:18
● 2026-06-04 08:22:46
●A104.21.44.1722026-05-01 → 2026-06-04 · 3 obs
● 2026-05-01 18:45:42
● 2026-06-04 08:22:46
●A172.67.201.1542026-05-01 → 2026-06-04 · 3 obs
● 2026-05-01 18:45:42
● 2026-06-04 08:22:46
○A23.100.50.512015-07-06 → 2016-02-10 · 4 obs
● 2016-02-10 00:01:44
○ 2016-05-06 18:39:20
○ 2026-06-04 08:22:46
●A2606:4700:3033::ac43:c99a2026-05-01 → 2026-06-04 · 3 obs
● 2026-05-01 18:45:42
● 2026-06-04 08:22:46
●A2606:4700:3035::6815:2cac2026-05-01 → 2026-06-04 · 3 obs
● 2026-05-01 18:45:42
● 2026-06-04 08:22:46
○A52.169.180.2232017-02-14 → 2017-02-14 · 4 obs
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-06-04 08:22:46
○A87.104.251.402026-02-25 → 2026-06-04 · 2 obs
○ 2026-06-04 08:22:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| sysadmin.dk | kanye.ns.cloudflare.com, dorthy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.189
NS records: kanye.ns.cloudflare.com, dorthy.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 591ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.201.154, 104.21.44.172 |
| AAAA | 2 | 2606:4700:3033::ac43:c99a, 2606:4700:3035::6815:2cac |
| NS | 2 | dorthy.ns.cloudflare.com, kanye.ns.cloudflare.com |
| MX | 1 | sysadmin-dk.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dorthy.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
sysadmin.dk points to 4 IP addresses — 104.21.44.172, 172.67.201.154, 2606:4700:3033::ac43:c99a and 2606:4700:3035::6815:2cac.
myservices.gr, keolis-valdoise.com, totith.org plus two other host names have IP numbers in common with sysadmin.dk.
Name Servers
sysadmin.dk uses two name servers for its delegation: dorthy.ns.cloudflare.com and kanye.ns.cloudflare.com.
The name server configuration of sysadmin.dk is shared with other domains, for instance enkind.com, c2give.com, lambshops.net and two others.
There is at least partial name server overlap between sysadmin.dk and other domains — hendek.bel.tr, 218.131.27.in-addr.arpa, seekerkai.org.hk and two more among them.
These name servers tend to appear in combination with the name servers rayden.ns.cloudflare.com, khloe.ns.cloudflare.com, abdullah.ns.cloudflare.com and luciana.ns.cloudflare.com.
Hosts with 6 IP addresses each:
dorthy.ns.cloudflare.com maps to six IP addresses: 108.162.192.249, 172.64.32.249, 173.245.58.249 and three others.
kanye.ns.cloudflare.com maps to six IP addresses: 108.162.193.189, 172.64.33.189, 173.245.59.189 and three others.
Mail Servers
sysadmin.dk uses one mail server — sysadmin-dk.mail.protection.outlook.com.