sisk.dk DNS records

🖥️ Nameservers2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
algin.ns.cloudflare.com	108.162.193.61 172.64.33.61 173.245.59.61 2606:4700:58::adf5:3b3d 2803:f800:50::6ca2:c13d 2a06:98c1:50::ac40:213d	algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com algin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.69.198	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.212.204	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:45c6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d4cc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.69.198,172.67.212.204 ech=AEX+DQBBEAAgACCr8f/kgg/pJ5FJI/NdUqTZ3Ld/9apU/Dx0zahJhfBWeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:45c6,2606:4700:3033::ac43:d4cc

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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	2409583401
Primary NS (MNAME)	algin.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

44ms

A

63ms

MX

50ms

AAAA

48ms

TXT

204ms

CAA

69ms

HTTPS

44ms

TLSA

98ms

SOA

0ms

MTA-STS

77ms

DNSSEC

101ms

SRV

77ms

Total

1295ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 05:00:47	1295ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 18:28:19	729ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-25 11:15:08	475ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-15 12:15:31	752ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-07-08 13:23:36	1118ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-27 07:58:46	1608ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 04:23:45	802ms	2 NS 2 A 0 MX	🔓 Insecure	View