contentcasting.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
guss.ns.cloudflare.com	108.162.193.172 172.64.33.172 173.245.59.172 2606:4700:58::adf5:3bac 2803:f800:50::6ca2:c1ac 2a06:98c1:50::ac40:21ac	guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pearl.ns.cloudflare.com	108.162.194.140 162.159.38.140 172.64.34.140 2606:4700:50::a29f:268c 2803:f800:50::6ca2:c28c 2a06:98c1:50::ac40:228c	pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.4	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.215.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d741	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:1804	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.4,172.67.215.65 ech=AEX+DQBBeQAgACAV+ZluLg002WcJ+6hD4/CA0Rwn2Oc37c8CNEzr8wD0EgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d741,2606:4700:3036::6815:1804

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.contentcasting.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.contentcasting.dk	8hz86uPfYFciHs1kCOPdwLWR5Jrb2-Nrc-f36wV6ET4
TXT	_acme-challenge.contentcasting.dk	NaitfqPOHgssIqax3AZI1z1sA2x3DQCWgQq3u6K77qw

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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	2413497824
Primary NS (MNAME)	guss.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

47ms

A

32ms

MX

31ms

AAAA

48ms

TXT

140ms

CAA

27ms

HTTPS

33ms

TLSA

40ms

SOA

0ms

MTA-STS

49ms

DNSSEC

104ms

SRV

48ms

Total

474ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:31:24	476ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-29 16:42:34	474ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 10:11:10	807ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-18 00:04:54	2157ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 08:54:48	1824ms	2 NS 2 A 1 MX	🔓 Insecure	View