sysadmin.dk - robtex.com

sysadmin.dk

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c99a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:2cac🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.154🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
NSkanye.ns.cloudflare.com
A2606:4700:58::adf5:3bbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkanye.ns.cloudflare.com
A2803:f800:50::6ca2:c1bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkanye.ns.cloudflare.com
A2a06:98c1:50::ac40:21bd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkanye.ns.cloudflare.com
A108.162.193.189🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkanye.ns.cloudflare.com
A172.64.33.189🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkanye.ns.cloudflare.com
A173.245.59.189🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkanye.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.172, 172.67.201.154
IPv6 hints2606:4700:3033::ac43:c99a, 2606:4700:3035::6815:2cac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2403422640

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1778352481localtime Sat May 9 20:48:01 2026gmtime Sat Ma...
SOAb.nic.dktech@punktum.dk serial=1778352481

Same first word

sysadmin.rs
sysadmin.cc
sysadmin.pro
sysadmin.guru
sysadmin.am
sysadmin.in.ua
sysadmin.co.in
sysadmin.fi
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DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comkanye.ns.cloudflare.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmail.sysadmin.dkA104.21.44.172172.67.201.1542606:4700:3033::ac43:c99a2606:4700:3035::6815:2cac23.100.50.5152.169.180.22387.104.251.40
●NSdorthy.ns.cloudflare.com2026-02-25 → 2026-05-09 · 3 obs
○ 2017-02-14 06:19:18
● 2026-02-25 13:06:48
● 2026-05-09 19:19:08
●NSkanye.ns.cloudflare.com2026-02-25 → 2026-05-09 · 3 obs
○ 2017-02-14 06:19:18
● 2026-02-25 13:06:48
● 2026-05-09 19:19:08
○NSns1.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 12:37:02
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○NSns2.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 12:37:02
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○NSns3.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 12:37:02
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○NSns4.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 12:37:02
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○NSns5.gratisdns.dk2015-07-06 → 2017-02-14 · 4 obs
● 2015-07-06 12:37:02
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○MXmail.sysadmin.dk2015-11-18 → 2016-02-10 · 4 obs
● 2015-11-18 00:57:28
● 2016-02-10 00:01:44
○ 2016-05-06 18:39:20
○ 2026-05-09 19:19:08
●A104.21.44.1722026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-25 13:06:48
● 2026-05-01 18:45:42
● 2026-05-09 19:19:08
●A172.67.201.1542026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-25 13:06:48
● 2026-05-01 18:45:42
● 2026-05-09 19:19:08
○A23.100.50.512015-07-06 → 2016-02-10 · 4 obs
● 2015-07-06 12:37:02
● 2016-02-10 00:01:44
○ 2016-05-06 18:39:20
○ 2026-05-09 19:19:08
●A2606:4700:3033::ac43:c99a2026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-25 13:06:48
● 2026-05-01 18:45:42
● 2026-05-09 19:19:08
●A2606:4700:3035::6815:2cac2026-05-01 → 2026-05-09 · 3 obs
○ 2026-02-25 13:06:48
● 2026-05-01 18:45:42
● 2026-05-09 19:19:08
○A52.169.180.2232017-02-14 → 2017-02-14 · 4 obs
○ 2016-05-06 18:39:20
● 2017-02-14 06:19:18
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08
○A87.104.251.402026-02-25 → 2026-05-09 · 2 obs
○ 2026-02-25 13:06:48
○ 2026-05-09 19:19:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkt.nic.dk, b.nic.dk, c.nic.dk, h.nic.dk...-
sysadmin.dkkanye.ns.cloudflare.com, dorthy.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.249

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: 863ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.44.172, 172.67.201.154
AAAA22606:4700:3033::ac43:c99a, 2606:4700:3035::6815:2cac
NS2dorthy.ns.cloudflare.com, kanye.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

sysadmin.dk points to four IP numbers: 2606:4700:3033::ac43:c99a, 2606:4700:3035::6815:2cac, 104.21.44.172 and 172.67.201.154.

Other host names, for instance myservices.gr, keolis-valdoise.com, totith.org, ovalaku.top and 9d8d.com share IP numbers with sysadmin.dk.

Name Servers

sysadmin.dk's delegation is to two name servers dorthy.ns.cloudflare.com and kanye.ns.cloudflare.com.

sysadmin.dk shares the same name server configuration as other domains, such as enkind.com, c2give.com, lambshops.net, accountinactive.com and populrstaging.com.

sysadmin.dk at least partially shares its name servers with other domains, for instance daidisike.net, hendek.bel.tr, 218.131.27.in-addr.arpa, seekerkai.org.hk and besaauto.bg.

These name servers are commonly used alongside rayden.ns.cloudflare.com and khloe.ns.cloudflare.com.

Host names with six IP numbers:

dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

kanye.ns.cloudflare.com points to: 2606:4700:58::adf5:3bbd, 2803:f800:50::6ca2:c1bd, 2a06:98c1:50::ac40:21bd, 108.162.193.189, 172.64.33.189 and 173.245.59.189.