sck.dk DNS records

🖥️ Nameservers2 records 100ms

Nameserver	IP addresses	PTR	ASN / ISP
emma.ns.cloudflare.com	108.162.192.112 172.64.32.112 173.245.58.112 2606:4700:50::adf5:3a70 2803:f800:50::6ca2:c070 2a06:98c1:50::ac40:2070	emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com emma.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zod.ns.cloudflare.com	108.162.193.250 172.64.33.250 173.245.59.250 2606:4700:58::adf5:3bfa 2803:f800:50::6ca2:c1fa 2a06:98c1:50::ac40:21fa	zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com zod.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.209	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.121	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5dd1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:d679	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 77ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.209,172.67.214.121 ech=AEX+DQBBOwAgACD+m/Qfo1jU0aqvMNakkb9kSsvoFMkgD7zHmn/7Mi4mJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5dd1,2606:4700:3032::ac43:d679

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.sck.dk	vVz3BeUfLxPIaMRzkACAtXvIZVc3hXp5gIPnQvUrrYk
TXT	_acme-challenge.sck.dk	vyt73h5CdkSz-aYVpve_MtbXk_j6mSd9WwFGV0IJ-W8

🔗 TLSA / DANE

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

🔐 DNSSEC210ms

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	2413380988
Primary NS (MNAME)	emma.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

100ms

A

75ms

MX

76ms

AAAA

88ms

TXT

296ms

CAA

88ms

HTTPS

77ms

TLSA

115ms

SOA

0ms

MTA-STS

104ms

DNSSEC

210ms

SRV

131ms

Total

1141ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 22:13:51	1141ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 21:52:23	564ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 11:00:34	807ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-21 13:51:08	843ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 11:21:23	11224ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 08:10:24	1072ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 03:56:14	658ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 02:11:36	472ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 11:58:11	2798ms	2 NS 2 A 0 MX	🔓 Insecure	View