stramkurs.dk - robtex.com

stramkurs.dk

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:3799🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:952f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.153Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.47🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkip.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A2803:f800:50::6ca2:c180🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkip.ns.cloudflare.com
A2a06:98c1:50::ac40:2180🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkip.ns.cloudflare.com
A108.162.193.128🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A172.64.33.128🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
A173.245.59.128🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkip.ns.cloudflare.com
NStessa.ns.cloudflare.com
A2606:4700:50::a29f:26e5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A2803:f800:50::6ca2:c2e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtessa.ns.cloudflare.com
A2a06:98c1:50::ac40:22e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtessa.ns.cloudflare.com
A108.162.194.229🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A162.159.38.229Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
A172.64.34.229🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtessa.ns.cloudflare.com
MXmx2.zoho.eu ⭐
A185.230.214.166🇳🇱 ZOHO-EU185.230.214.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
MXmx3.zoho.eu(20)
A185.230.212.166🇳🇱 ZOHO-EU185.230.212.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
MXmx.zoho.eu(50)
A185.20.209.166🇨🇭 COMPUTERLINE185.20.209.0/24
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
A185.230.214.166🇳🇱 ZOHO-EU185.230.214.0/23
PTRmx2.zoho.eu
PTRmx3.zoho.eu
PTRmx.zoho.eu
TXTv=spf1 include:zoho.eu ~all
TXTzoho-verification=zb15003176.zmverify.zoho.eu
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.153, 172.67.149.47
IPv6 hints2606:4700:3037::6815:3799, 2606:4700:3037::ac43:952f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAkip.ns.cloudflare.comdns@cloudflare.com serial=2406652787

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 1784378701localtime Sat Jul 18 14:45:01 2026gmtime Sat Ju...
SOAb.nic.dktech@punktum.dk serial=1784378701
WOT: SAFE (65/100)

Same first word

stramkurs.dk

DNS History

21 records (9 active, 12 former)

20192020202120222023202420252026NSkip.ns.cloudflare.comtessa.ns.cloudflare.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmx.zoho.eumx2.zoho.eumx3.zoho.euA104.21.55.153172.67.149.472606:4700:3037::6815:37992606:4700:3037::ac43:952f139.162.171.207188.114.96.4188.114.97.42606:4700:3030::ac43:952f2606:4700:3034::6815:37992a06:98c1:3120::2a06:98c1:3121::
●NSkip.ns.cloudflare.com2026-05-15 → 2026-07-18 · 3 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-07-18 12:57:44
○NSns1.gratisdns.dk2018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
○NSns2.gratisdns.dk2018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
○NSns3.gratisdns.dk2018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
○NSns4.gratisdns.dk2018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
○NSns5.gratisdns.dk2018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
●NStessa.ns.cloudflare.com2026-05-15 → 2026-07-18 · 3 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-07-18 12:57:44
●MXmx.zoho.eu2018-05-10 → 2026-07-18 · 2 obs
● 2018-05-10 02:42:28
● 2026-07-18 12:57:44
●MXmx2.zoho.eu2018-05-10 → 2026-07-18 · 2 obs
● 2018-05-10 02:42:28
● 2026-07-18 12:57:44
●MXmx3.zoho.eu2018-05-10 → 2026-07-18 · 2 obs
● 2018-05-10 02:42:28
● 2026-07-18 12:57:44
●A104.21.55.1532026-05-15 → 2026-07-18 · 6 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-05-21 15:23:02
○ 2026-06-07 12:54:26
● 2026-06-07 14:28:08
● 2026-07-18 12:57:44
○A139.162.171.2072018-05-10 → 2019-04-23 · 4 obs
● 2018-05-10 02:42:28
● 2019-04-23 11:49:18
○ 2026-05-15 20:36:28
○ 2026-07-18 12:57:44
●A172.67.149.472026-05-15 → 2026-07-18 · 6 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-05-21 15:23:02
○ 2026-06-07 12:54:26
● 2026-06-07 14:28:08
● 2026-07-18 12:57:44
○A188.114.96.42026-06-07 → 2026-06-07 · 4 obs
○ 2026-05-21 15:23:02
● 2026-06-07 12:54:26
○ 2026-06-07 14:28:08
○ 2026-07-18 12:57:44
○A188.114.97.42026-06-07 → 2026-06-07 · 4 obs
○ 2026-05-21 15:23:02
● 2026-06-07 12:54:26
○ 2026-06-07 14:28:08
○ 2026-07-18 12:57:44
○A2606:4700:3030::ac43:952f2026-05-15 → 2026-06-07 · 7 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-05-21 15:23:02
○ 2026-06-07 12:54:26
● 2026-06-07 14:28:08
○ 2026-07-08 23:38:30
○ 2026-07-18 12:57:44
○A2606:4700:3034::6815:37992026-05-15 → 2026-06-07 · 7 obs
○ 2019-04-23 11:49:18
● 2026-05-15 20:36:28
● 2026-05-21 15:23:02
○ 2026-06-07 12:54:26
● 2026-06-07 14:28:08
○ 2026-07-08 23:38:30
○ 2026-07-18 12:57:44
●A2606:4700:3037::6815:37992026-07-08 → 2026-07-18 · 3 obs
○ 2026-06-07 14:28:08
● 2026-07-08 23:38:30
● 2026-07-18 12:57:44
●A2606:4700:3037::ac43:952f2026-07-08 → 2026-07-18 · 3 obs
○ 2026-06-07 14:28:08
● 2026-07-08 23:38:30
● 2026-07-18 12:57:44
○A2a06:98c1:3120::2026-06-07 → 2026-06-07 · 4 obs
○ 2026-05-21 15:23:02
● 2026-06-07 12:54:26
○ 2026-06-07 14:28:08
○ 2026-07-18 12:57:44
○A2a06:98c1:3121::2026-06-07 → 2026-06-07 · 4 obs
○ 2026-05-21 15:23:02
● 2026-06-07 12:54:26
○ 2026-06-07 14:28:08
○ 2026-07-18 12:57:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
stramkurs.dkkip.ns.cloudflare.com, tessa.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.229

NS records: kip.ns.cloudflare.com, tessa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stramkurs.dk (unsigned zone)

⏱️ Timing

Total: 1466ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.149.47, 104.21.55.153
AAAA22606:4700:3037::ac43:952f, 2606:4700:3037::6815:3799
NS2kip.ns.cloudflare.com, tessa.ns.cloudflare.com
MX3mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...
TXT2v=spf1 include:zoho.eu ~all, zoho-verification=zb15003176.zmverify.zo
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kip.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

stramkurs.dk directs to four IP numbers, which are 104.21.55.153, 172.67.149.47, 2606:4700:3037::6815:3799 and 2606:4700:3037::ac43:952f.

openai.920708319.workers.dev, pascosystems.com, tzxszl.com and two other host names share IP numbers with stramkurs.dk.

Name Servers

stramkurs.dk uses two name servers for its delegation: kip.ns.cloudflare.com and tessa.ns.cloudflare.com.

stramkurs.dk uses the same name servers as several other domains — among them 365internet.cz, onesim.tech, verinfagora.com and two more.

At least some of stramkurs.dk's name servers are shared with other domains, for example bri(0x616e616c)eeonline.net, sensorsoft.nl, hemorrhoidsnova.com and two more.

It is common for these name servers to be used in conjunction with the name servers fattouche.ns.cloudflare.com, ryleigh.ns.cloudflare.com and elmo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname kip.ns.cloudflare.com directs to 108.162.193.128, 172.64.33.128 and 173.245.59.128 along with 3 other IP addresses.

Hostname tessa.ns.cloudflare.com directs to 108.162.194.229, 162.159.38.229 and 172.64.34.229 along with 3 other IP addresses.

Mail Servers

The MX records for stramkurs.dk list three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

stramkurs.dk has at least partial mail server overlap with other domains such as amano.gr, beiten.org, matalto.com and two more.

Hostnames that resolve to two IP addresses:

mx.zoho.eu directs traffic to 185.20.209.166 and 185.230.214.166.

Hosts with just one IP address:

mx2.zoho.eu has the IP address 185.230.214.166.

mx3.zoho.eu has the IP address 185.230.212.166.

Both mx.zoho.eu and mx2.zoho.eu resolve to 185.230.214.166 IP addresses each.