kursuskalenderen.dk

Records from scan: 2026-09-26 23:03:51 · 1355ms total · last checked 2026-10-20 22:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kursuskalenderen.dk is a .dk domain served by 4 nameservers (ns1.quickdns.dk, ns2.quickdns.dk, ns3.quickdns.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.16.4.149 is hosted by Fly.io, Inc. (AS40509) in United States. Mail is handled by aspmx1.migadu.com, aspmx2.migadu.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.quickdns.dk	178.62.214.234 2a03:b0c0:2:d0::552:9001	— —	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC
ns2.quickdns.dk	185.126.153.42	amy.quickdns.dk	AS47527 DLX A/S
ns3.quickdns.dk	178.62.214.234 2a03:b0c0:2:d0::552:9001	— —	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC
ns4.quickdns.dk	185.126.153.42	amy.quickdns.dk	AS47527 DLX A/S

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.16.4.149	900s	ip-37-16-4-149.customer.flyio.net	AS40509	Fly.io, Inc.	37.16.0.0/19	🇺🇸 United States	—

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	aspmx1.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS
20	900s	aspmx2.migadu.com	135.125.171.180 135.125.222.87 2001:41d0:303:648a::1 2001:41d0:700:19b4::1 2001:41d0:700:1a57::1 51.38.57.138	ns3160119.ip-135-125-171.eu ns3160230.ip-135-125-222.eu — — — mizu0.migadu.com	AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a09:8280:1::15e:78f6:0	900s	ipv6.customer.flyio.net	AS40509	Fly.io, Inc.	2a09:8280:1:0:0:0:0:0/48	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 729ms

TXT Record
hosted-email-verify=ctovyl0b
v=spf1 include:spf.migadu.com -all

✉️ SPF#

Policy	Record (kursuskalenderen.dk)
-all (hard fail)	v=spf1 include:spf.migadu.com -all

📨 DMARC#

Policy	Record (_dmarc.kursuskalenderen.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-10 05:48:12

www	37.16.4.149 2a09:8280:1::15e:78f6:0 (AS40509) (address records, no CNAME)
www vs bare domain	Same network kursuskalenderen.dk: 37.16.4.149 2a09:8280:1::15e:78f6:0 (AS40509) www.kursuskalenderen.dk: 37.16.4.149 2a09:8280:1::15e:78f6:0 (AS40509)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

69ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026080401
Primary NS (MNAME)	ns1.quickdns.dk
Responsible (RNAME)	hostmaster@quickdns.dk
Refresh	14400s
Retry	7200s
Expire	2415600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

34ms

AAAA

27ms

TXT

729ms

CAA

33ms

HTTPS

26ms

TLSA

155ms

SOA

0ms

MTA-STS

143ms

DNSSEC

69ms

SRV

485ms

Total

1355ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 23:03:51 shown	1355ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-06 00:44:45	2595ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-03 13:04:31	9472ms	4 NS 1 A 7 MX	🔓 Insecure
2026-07-29 23:27:59	1105ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-28 04:35:35	833ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-27 04:02:26	803ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-26 03:26:24	8793ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-25 03:05:08	707ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-24 02:34:28	771ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-23 01:37:24	9844ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-22 00:31:30	3783ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-20 23:29:35	686ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-19 12:43:58	745ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-18 08:11:40	788ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-17 05:48:45	670ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-16 02:39:32	709ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-09 03:56:00	898ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-05 20:27:08	1324ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-04 17:25:51	2617ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-03 01:25:28	507ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:51:03	1944ms	4 NS 1 A 7 MX	🔓 Insecure