syscall.dk - robtex.com

syscall.dk

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b451🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3043🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.67Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.81🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoco.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoco.ns.cloudflare.com
A2803:f800:50::6ca2:c068🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoco.ns.cloudflare.com
A2a06:98c1:50::ac40:2068🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoco.ns.cloudflare.com
A108.162.192.104🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoco.ns.cloudflare.com
A172.64.32.104🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoco.ns.cloudflare.com
A173.245.58.104🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoco.ns.cloudflare.com
NSwoz.ns.cloudflare.com
A2606:4700:58::adf5:3b96🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A2803:f800:50::6ca2:c196🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwoz.ns.cloudflare.com
A2a06:98c1:50::ac40:2196🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwoz.ns.cloudflare.com
A108.162.193.150🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A172.64.33.150🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A173.245.59.150🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
MXmx01.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
MXmx02.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
TXTapple-domain=dFgKKVvGTft9TyTO
TXTv=spf1 include:_spf.google.com include:icloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.67, 172.67.180.81
IPv6 hints2606:4700:3030::ac43:b451, 2606:4700:3035::6815:3043
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOAcoco.ns.cloudflare.comdns@cloudflare.com serial=2400839231

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 1776379140localtime Fri Apr 17 00:39:00 2026gmtime Thu Ap...
SOAb.nic.dktech@punktum.dk serial=1776379140

Same first word

syscall.eu
syscall.net
syscall.ws
syscall.io
syscall.gr
syscall.co
syscall.de
syscall.com
syscall.cn
syscall.dk
syscall.in
syscall.co.nz
syscall.racing
syscall.us
syscall.fr
syscall.se
syscall.org
syscall.ch
syscall.nl
syscall.com.br

Similar names

classly.org
classly.com
classly.net
callyss.com
ylclass.com
classly.co
callsys.co.uk
callsys.com.br
callsys.com
lyclass.com
callsys.ir
callsys.email
callsys.com.cn
scallys.com
callsys.net
asysllc.com

DNS History

28 records (8 active, 20 former)

20162017201820192020202120222023202420252026NScoco.ns.cloudflare.comwoz.ns.cloudflare.comMXmx01.mail.icloud.commx02.mail.icloud.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comA104.21.48.67172.67.180.812606:4700:3030::ac43:b4512606:4700:3035::6815:3043104.18.50.172104.18.51.172104.28.26.62104.28.27.62104.28.28.80104.28.29.80188.114.96.0188.114.97.02400:cb00:2048:1::681c:1a3e2400:cb00:2048:1::681c:1b3e2400:cb00:2048:1::681c:1c502400:cb00:2048:1::681c:1d502606:4700:3031::6812:32ac2606:4700:3035::6812:33ac2a06:98c1:3120::2a06:98c1:3121::
●NScoco.ns.cloudflare.com2015-05-05 → 2026-04-16 · 2 obs
● 2015-05-05 08:19:12
● 2026-04-16 23:03:12
●NSwoz.ns.cloudflare.com2015-05-05 → 2026-04-16 · 2 obs
● 2015-05-05 08:19:12
● 2026-04-16 23:03:12
○MXalt1.aspmx.l.google.com2015-05-05 → 2020-04-04 · 4 obs
● 2015-05-05 08:19:12
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
○MXalt2.aspmx.l.google.com2015-05-05 → 2020-04-04 · 4 obs
● 2015-05-05 08:19:12
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
○MXaspmx.l.google.com2015-05-05 → 2020-04-04 · 4 obs
● 2015-05-05 08:19:12
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
○MXaspmx2.googlemail.com2015-05-05 → 2020-04-04 · 4 obs
● 2015-05-05 08:19:12
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
●MXmx01.mail.icloud.com2026-04-04 → 2026-04-16 · 3 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
● 2026-04-16 23:03:12
●MXmx02.mail.icloud.com2026-04-04 → 2026-04-16 · 3 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
● 2026-04-16 23:03:12
○A104.18.50.1722020-04-04 → 2020-04-04 · 4 obs
○ 2017-03-21 12:26:06
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
○A104.18.51.1722020-04-04 → 2020-04-04 · 4 obs
○ 2017-03-21 12:26:06
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
●A104.21.48.672026-04-04 → 2026-04-16 · 5 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
○ 2026-04-05 02:52:20
○ 2026-04-15 11:37:00
● 2026-04-16 23:03:12
○A104.28.26.622015-05-05 → 2015-12-19 · 4 obs
● 2015-05-05 08:19:12
● 2015-12-19 22:30:26
○ 2016-02-11 05:45:44
○ 2026-04-16 23:03:12
○A104.28.27.622015-05-05 → 2015-12-19 · 4 obs
● 2015-05-05 08:19:12
● 2015-12-19 22:30:26
○ 2016-02-11 05:45:44
○ 2026-04-16 23:03:12
○A104.28.28.802016-02-11 → 2017-03-21 · 5 obs
○ 2015-12-19 22:30:26
● 2016-02-11 05:45:44
● 2017-03-21 12:26:06
○ 2020-04-04 22:58:30
○ 2026-04-16 23:03:12
○A104.28.29.802016-02-11 → 2017-03-21 · 5 obs
○ 2015-12-19 22:30:26
● 2016-02-11 05:45:44
● 2017-03-21 12:26:06
○ 2020-04-04 22:58:30
○ 2026-04-16 23:03:12
●A172.67.180.812026-04-04 → 2026-04-16 · 5 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
○ 2026-04-05 02:52:20
○ 2026-04-15 11:37:00
● 2026-04-16 23:03:12
○A188.114.96.02026-04-05 → 2026-04-15 · 4 obs
○ 2026-04-04 13:35:36
● 2026-04-05 02:52:20
● 2026-04-15 11:37:00
○ 2026-04-16 23:03:12
○A188.114.97.02026-04-05 → 2026-04-15 · 4 obs
○ 2026-04-04 13:35:36
● 2026-04-05 02:52:20
● 2026-04-15 11:37:00
○ 2026-04-16 23:03:12
○A2400:cb00:2048:1::681c:1a3e2015-05-05 → 2015-12-19 · 4 obs
● 2015-05-05 08:19:12
● 2015-12-19 22:30:26
○ 2016-02-11 05:45:44
○ 2026-04-16 23:03:12
○A2400:cb00:2048:1::681c:1b3e2015-05-05 → 2015-12-19 · 4 obs
● 2015-05-05 08:19:12
● 2015-12-19 22:30:26
○ 2016-02-11 05:45:44
○ 2026-04-16 23:03:12
○A2400:cb00:2048:1::681c:1c502016-02-11 → 2017-03-21 · 5 obs
○ 2015-12-19 22:30:26
● 2016-02-11 05:45:44
● 2017-03-21 12:26:06
○ 2020-04-04 22:58:30
○ 2026-04-16 23:03:12
○A2400:cb00:2048:1::681c:1d502016-02-11 → 2017-03-21 · 5 obs
○ 2015-12-19 22:30:26
● 2016-02-11 05:45:44
● 2017-03-21 12:26:06
○ 2020-04-04 22:58:30
○ 2026-04-16 23:03:12
●A2606:4700:3030::ac43:b4512026-04-04 → 2026-04-16 · 5 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
○ 2026-04-05 02:52:20
○ 2026-04-15 11:37:00
● 2026-04-16 23:03:12
○A2606:4700:3031::6812:32ac2020-04-04 → 2020-04-04 · 4 obs
○ 2017-03-21 12:26:06
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
○A2606:4700:3035::6812:33ac2020-04-04 → 2020-04-04 · 4 obs
○ 2017-03-21 12:26:06
● 2020-04-04 22:58:30
○ 2026-04-04 13:35:36
○ 2026-04-16 23:03:12
●A2606:4700:3035::6815:30432026-04-04 → 2026-04-16 · 5 obs
○ 2020-04-04 22:58:30
● 2026-04-04 13:35:36
○ 2026-04-05 02:52:20
○ 2026-04-15 11:37:00
● 2026-04-16 23:03:12
○A2a06:98c1:3120::2026-04-05 → 2026-04-15 · 4 obs
○ 2026-04-04 13:35:36
● 2026-04-05 02:52:20
● 2026-04-15 11:37:00
○ 2026-04-16 23:03:12
○A2a06:98c1:3121::2026-04-05 → 2026-04-15 · 4 obs
○ 2026-04-04 13:35:36
● 2026-04-05 02:52:20
● 2026-04-15 11:37:00
○ 2026-04-16 23:03:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
syscall.dkcoco.ns.cloudflare.com, woz.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.104

NS records: coco.ns.cloudflare.com, woz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for syscall.dk (unsigned zone)

⏱️ Timing

Total: 876ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.180.81, 104.21.48.67
AAAA22606:4700:3035::6815:3043, 2606:4700:3030::ac43:b451
NS2coco.ns.cloudflare.com, woz.ns.cloudflare.com
MX2mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)
TXT2apple-domain=dFgKKVvGTft9TyTO, v=spf1 include:_spf.google.com include:i
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coco.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

syscall.dk maps to four IP numbers: 2606:4700:3030::ac43:b451, 2606:4700:3035::6815:3043, 104.21.48.67 and 172.67.180.81.

other host names include johorlotto.com, rollhq.com, animalsforest.com, brightupdate.us and multa.net; they share IP numbers with syscall.dk.

Name Servers

Two name servers coco.ns.cloudflare.com and woz.ns.cloudflare.com handle the delegation for syscall.dk.

syscall.dk shares the same name server setup as other domains, for instance airmarketusa.com, benmanns.com, 1148.ru, springstreetwebdesign.com and 5l.pl.

syscall.dk at least partially shares name servers with other domains, for instance aldmeri.ru, hfundadmin.com, healthsupreviews.com, rhodesmusic.com and puubli.com.

These name servers are commonly used with ernest.ns.cloudflare.com and amy.ns.cloudflare.com.

Six IP addresses per host:

coco.ns.cloudflare.com points to 2606:4700:50::adf5:3a68, 2803:f800:50::6ca2:c068, 2a06:98c1:50::ac40:2068, 108.162.192.104, 172.64.32.104 and 173.245.58.104; woz.ns.cloudflare.com points to 2606:4700:58::adf5:3b96, 2803:f800:50::6ca2:c196, 2a06:98c1:50::ac40:2196, 108.162.193.150, 172.64.33.150 and 173.245.59.150

Mail Servers

syscall.dk is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

syscall.dk uses the same mail server setup as other domains, for instance fruitfulcode.com, mywalch.com, ifull.org, hongzhili.com and aygen.org.

syscall.dk shares some mail servers with other domains, including kaya.me, stosch.eu, axogenix-it.com and kitters.ca.

Host names with six IP numbers

mx01.mail.icloud.com and mx02.mail.icloud.com each point to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30

Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com

Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com

Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com

Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com

Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com

Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com