hack.dk DNS records

🖥️ Nameservers2 records 95ms

Nameserver	IP addresses	PTR	ASN / ISP
alexandra.ns.cloudflare.com	108.162.194.30 162.159.38.30 172.64.34.30 2606:4700:50::a29f:261e 2803:f800:50::6ca2:c21e 2a06:98c1:50::ac40:221e	alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com alexandra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
terry.ns.cloudflare.com	108.162.193.237 172.64.33.237 173.245.59.237 2606:4700:58::adf5:3bed 2803:f800:50::6ca2:c1ed 2a06:98c1:50::ac40:21ed	terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com terry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 141ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.246	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.236	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 91ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.hack.dk	51.254.46.8	mail.prodnet.eu	AS16276 OVH SAS

🔷 AAAA Records (IPv6)2 records 80ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:93ec	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1cf6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 78ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.246,172.67.147.236 ech=AEX+DQBBmgAgACADDLy6x6gi+PdD52J9Tqa/uKsG57vzsXzQADMKDd/5IAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:93ec,2606:4700:3037::6815:1cf6

📝 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.hack.dk	4LJ1QE9TOCe5XraxGxQVqJPBmw7KJ0wrgVZC597brTg
TXT	_acme-challenge.hack.dk	GMepoWdNESWSDvUsklVIGGOzqk7oSpUvm6GXL-VGfSA
TXT	_acme-challenge.hack.dk	k5Fr0EM9NnA5qPOUrcTushxDpLjHifHQtphwRtxUszM
TXT	_acme-challenge.hack.dk	LdNQyGeaINQdtxp_1_lo4anBngVIUir0UAjfdviYVOU

🔗 TLSA / DANE

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

🔐 DNSSEC271ms

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	2413567523
Primary NS (MNAME)	alexandra.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

95ms

A

141ms

MX

91ms

AAAA

80ms

TXT

330ms

CAA

139ms

HTTPS

78ms

TLSA

154ms

SOA

0ms

MTA-STS

172ms

DNSSEC

271ms

SRV

166ms

Total

1296ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 08:04:30	1296ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-23 03:48:02	1470ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 10:52:06	918ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-17 10:43:29	851ms	2 NS 2 A 1 MX	🔓 Insecure	View