kursus-kalenderen.dk DNS records

🖥️ Nameservers4 records 170ms

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 Records1 records 152ms

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 Records2 records 231ms

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 225ms

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 Records2 records 1672ms

TXT Record
hosted-email-verify=wn1nez9w
v=spf1 include:spf.migadu.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.kursus-kalenderen.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

🔗 TLSA / DANE

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

🔐 DNSSEC326ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

170ms

A

152ms

MX

231ms

AAAA

225ms

TXT

1672ms

CAA

159ms

HTTPS

229ms

TLSA

711ms

SOA

0ms

MTA-STS

290ms

DNSSEC

326ms

SRV

1074ms

Total

6119ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 14:41:57	6119ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-03 14:40:45	11778ms	4 NS 1 A 7 MX	🔓 Insecure	View
2026-08-01 03:20:12	652ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-29 16:39:27	753ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 22:11:39	681ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 21:46:41	741ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 20:59:53	605ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 20:17:03	1035ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 13:58:26	1039ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 10:53:56	9693ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 05:40:25	1030ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 02:17:49	1082ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 16:51:15	624ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 15:10:58	2634ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-15 23:19:03	712ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-14 15:28:43	577ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-13 13:16:34	600ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-12 00:42:59	778ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-10 20:20:21	723ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-09 01:59:32	708ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-06 20:47:52	759ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 13:21:23	2475ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-03 12:02:34	378ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 18:52:08	2211ms	4 NS 1 A 7 MX	🔓 Insecure	View
2026-06-22 02:54:39	1183ms	0 NS 0 A 0 MX	❓ Unknown	View