professionsbacheloriskat.dk

Records from scan: 2026-10-07 17:21:41 · 403ms total · last checked 2026-10-17 06:07 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

professionsbacheloriskat.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 31 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.239 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.239	3600s	web1.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62
🔶 Autoconfig	autoconfig-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 127ms

TXT Record
v=spf1 include:spf.onlinemail.io ?all

✉️ SPF#

Policy	Record (professionsbacheloriskat.dk)
?all (neutral)	v=spf1 include:spf.onlinemail.io ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-07 17:21:41

www	185.21.41.239 (AS48854) (address records, no CNAME)
www vs bare domain	Same network professionsbacheloriskat.dk: 185.21.41.239 (AS48854) www.professionsbacheloriskat.dk: 185.21.41.239 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

99ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2021111801
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 03:56:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-10-31
Expires	2026-10-31 (13d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

41ms

49ms

AAAA

29ms

TXT

127ms

CAA

30ms

HTTPS

35ms

TLSA

53ms

SOA

24ms

MTA-STS

71ms

DNSSEC

99ms

SRV

55ms

Total

403ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:21:41 shown	403ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 11:48:35	663ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 05:15:36	615ms	2 NS 1 A 2 MX	🔒 Secure