kursuscentersyd.dk

📜 Historical scan 2026-10-10 13:27:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kursuscentersyd.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 10 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.177.99 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by kursuscentersyd-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 567ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.esis.dk	185.19.134.2	ns1.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle
ns2.esis.dk	185.19.134.3	ns2.esis.dk	AS199374 Syddansk Erhvervsskole Odense-Vejle

🌍 A Records#

1 records 713ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.23.177.99	3600s	—	AS47527	DLX A/S	178.23.176.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 537ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kursuscentersyd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::22 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::a 52.101.103.36 52.101.209.153 52.101.68.21 52.101.68.39	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.bcsyd.dk → 185.19.134.13

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 953ms

TXT Record
MS=ms87640435
v=spf1 ip4:185.19.134.13 include:spf.esis.dk include:spf.mcb.dk ~all

✉️ SPF#

Policy	Record (kursuscentersyd.dk)
~all (soft fail)	v=spf1 ip4:185.19.134.13 include:spf.esis.dk include:spf.mcb.dk ~all

📨 DMARC#

Policy	Record (_dmarc.kursuscentersyd.dk)
p=reject	v=DMARC1;p=reject;sp=reject;rua=mailto:be7762a8bd@rua.easydmarc.eu;ruf=mailto:be7762a8bd@ruf.easydmarc.eu;fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 00:10:21

www	178.23.177.99 (AS47527) (address records, no CNAME)
www vs bare domain	Same network kursuscentersyd.dk: 178.23.177.99 (AS47527) www.kursuscentersyd.dk: 178.23.177.99 (AS47527)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-kursuscentersyd-dk._domainkey.businesscollegesyd.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

884ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

98ms

Field	Value
Serial	410
Primary NS (MNAME)	ns1.esis.dk
Responsible (RNAME)	hostmaster
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-19 22:12:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-10
Expires	2027-01-09 (75d)

🔗 Same registrant#

87 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
administrationsuddannelsen.dk	Punktum dk A/S (direct)
advokatsekretaeruddannelsen.dk	Punktum dk A/S (direct)
advokatsekretæruddannelsen.dk	Punktum dk A/S (direct)
autouddannelsen.dk	Punktum dk A/S (direct)
autouddannelser.dk	Punktum dk A/S (direct)
bcsyd.dk	Punktum dk A/S (direct)
bcsydapps.dk	Punktum dk A/S (direct)
bcsydelev.dk	Punktum dk A/S (direct)
bcsydintra.dk	Punktum dk A/S (direct)
bcsydnet.dk	Punktum dk A/S (direct)
blaagym.dk	Punktum dk A/S (direct)
blaastudent.dk	Punktum dk A/S (direct)
blåstudent.dk	Punktum dk A/S (direct)
business-college.dk	Punktum dk A/S (direct)
businesscollegesyd.dk	Punktum dk A/S (direct)
businessepx.dk	Punktum dk A/S (direct)
byggemarkedsuddannelsen.dk	Punktum dk A/S (direct)
campussoenderborg.dk	Punktum dk A/S (direct)
campussonderborg.dk	Punktum dk A/S (direct)
campussønderborg.dk	Punktum dk A/S (direct)
censorvejledning.dk	Punktum dk A/S (direct)
collegesyd.dk	Punktum dk A/S (direct)
detailuddannelsen.dk	Punktum dk A/S (direct)
detgroennegymnasium.dk	Punktum dk A/S (direct)
detgrønnegymnasium.dk	Punktum dk A/S (direct)
e-skolen.dk	Punktum dk A/S (direct)
e-skolenet.dk	Punktum dk A/S (direct)
elevaktivitetsudvalg.dk	Punktum dk A/S (direct)
elevraad-bcsyd.dk	Punktum dk A/S (direct)
elevuddannelser.dk	Punktum dk A/S (direct)
eludd.dk	Punktum dk A/S (direct)
epxsoenderborg.dk	Punktum dk A/S (direct)
epxsonderborg.dk	Punktum dk A/S (direct)
epxsønderborg.dk	Punktum dk A/S (direct)
erhvervsuddannelsen.dk	Punktum dk A/S (direct)
eskolenet.dk	Punktum dk A/S (direct)
esportmesse.dk	Punktum dk A/S (direct)
esportsmesse.dk	Punktum dk A/S (direct)
fagprøven.dk	Punktum dk A/S (direct)
fjernuv.dk	Punktum dk A/S (direct)
fremtidens-valg.dk	Punktum dk A/S (direct)
haandvaerkerbutiksuddannelsen.dk	Punktum dk A/S (direct)
handelsassistentuddannelsen.dk	Punktum dk A/S (direct)
handelskostskole.dk	Punktum dk A/S (direct)
handelskostskolen.dk	Punktum dk A/S (direct)
handelsskolesyd.dk	Punktum dk A/S (direct)
håndværkerbutiksuddannelsen.dk	Punktum dk A/S (direct)
indkoebsassistentuddannelsen.dk	Punktum dk A/S (direct)
indkøbsassistentuddannelsen.dk	Punktum dk A/S (direct)
industriuddannelsen.dk	Punktum dk A/S (direct)
innohouse.dk	Punktum dk A/S (direct)
int-gym.dk	Punktum dk A/S (direct)
kcsyd.dk	Punktum dk A/S (direct)
kolonialuddannelsen.dk	Punktum dk A/S (direct)
kontoruddannelsen.dk	Punktum dk A/S (direct)
kursuscentret.dk	Punktum dk A/S (direct)
laegesekretaeruddannelsen.dk	Punktum dk A/S (direct)
logistikuddannelsen.dk	Punktum dk A/S (direct)
lægesekretæruddannelsen.dk	Punktum dk A/S (direct)
mhks.dk	Punktum dk A/S (direct)
minimaster.dk	Punktum dk A/S (direct)
mommark.dk	Punktum dk A/S (direct)
naerbutiksuddannelsen.dk	Punktum dk A/S (direct)
netgymnasiet.dk	Punktum dk A/S (direct)
netgymnasium.dk	Punktum dk A/S (direct)
nærbutiksuddannelsen.dk	Punktum dk A/S (direct)
sdbghs.dk	Punktum dk A/S (direct)
shs.dk	Punktum dk A/S (direct)
skolehjem.dk	Punktum dk A/S (direct)
specialistspor.dk	Punktum dk A/S (direct)
speditionsuddannelsen.dk	Punktum dk A/S (direct)
staaluddannelsen.dk	Punktum dk A/S (direct)
ståluddannelsen.dk	Punktum dk A/S (direct)
syddanskakademi.dk	Punktum dk A/S (direct)
talentmodul.dk	Punktum dk A/S (direct)
talentsport.dk	Punktum dk A/S (direct)
teambuildingsyd.dk	Punktum dk A/S (direct)
tekstiluddannelsen.dk	Punktum dk A/S (direct)
thebluecollege.dk	Punktum dk A/S (direct)
traelastuddannelsen.dk	Punktum dk A/S (direct)
trælastuddannelsen.dk	Punktum dk A/S (direct)
uvbcsyd.dk	Punktum dk A/S (direct)
vaerktoejsuddannelsen.dk	Punktum dk A/S (direct)
valgfagmommark.dk	Punktum dk A/S (direct)
vinogtobakuddannelsen.dk	Punktum dk A/S (direct)
vvsuddannelsen.dk	Punktum dk A/S (direct)
værktøjsuddannelsen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

567ms

713ms

537ms

AAAA

706ms

TXT

953ms

CAA

704ms

HTTPS

710ms

TLSA

1230ms

SOA

98ms

MTA-STS

776ms

DNSSEC

884ms

SRV

803ms

Total

3124ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 00:10:21	3811ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 21:47:46	2223ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 18:18:53	1309ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 15:36:13	1166ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 14:13:42	1444ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 13:27:55 shown	3124ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 01:41:11	1143ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 22:38:23	3312ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 22:18:01	922ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 22:09:22	677ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 13:43:35	849ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:06:14	1608ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 12:57:46	1114ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 22:36:13	982ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 22:14:26	783ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 02:19:01	3536ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 00:12:33	2108ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 11:08:37	1064ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 17:44:41	2062ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 12:44:03	1307ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 00:31:35	951ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 18:56:07	1289ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 23:35:28	9488ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 20:27:13	6518ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 20:20:39	2070ms	2 NS 1 A 1 MX	🔒 Secure