2100ø.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
dell.ns.cloudflare.com	108.162.192.94 172.64.32.94 173.245.58.94 2606:4700:50::adf5:3a5e 2803:f800:50::6ca2:c05e 2a06:98c1:50::ac40:205e	dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com dell.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
karl.ns.cloudflare.com	108.162.193.190 172.64.33.190 173.245.59.190 2606:4700:58::adf5:3bbe 2803:f800:50::6ca2:c1be 2a06:98c1:50::ac40:21be	karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com karl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.178	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	nl1-tr3.supercp.com	185.146.22.242	nl1-tr3.supercp.com	AS209341 WHG Hosting Services Ltd

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.146.41
🔶 Autoconfig	172.67.146.41

🔷 AAAA Records (IPv6)2 records 59ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:9229	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:ab2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.178,172.67.146.41 ech=AEX+DQBBAwAgACAy6gw+v14gj4Tjg6h9hNCxaNcW3HhXmdy8KXej0yzXEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9229,2606:4700:3037::6815:ab2

📝 TXT Records1 records 210ms

TXT Record
v=spf1 +a +mx ip4:185.146.22.242 include:spf.supercp.com -all

✉️ SPF

Policy	Record (2100ø.dk)
-all (hard fail)	v=spf1 +a +mx ip4:185.146.22.242 include:spf.supercp.com -all

📨 DMARC

Policy	Record (_dmarc.2100ø.dk)
p=reject	v=DMARC1; p=reject

📬 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.2100ø.dk	DnCeCXLnSjeZ_gpOBp3Z7KBkjSzKJ-XZoISRzZHTRQM

🔗 TLSA / DANE

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

🔐 DNSSEC170ms

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	2410368477
Primary NS (MNAME)	dell.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

72ms

A

67ms

MX

67ms

AAAA

59ms

TXT

210ms

CAA

72ms

HTTPS

65ms

TLSA

532ms

SOA

0ms

MTA-STS

65ms

DNSSEC

170ms

SRV

79ms

Total

1346ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-24 22:19:25	1346ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 19:48:28	9356ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 09:12:27	637ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 22:27:07	1185ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:08:42	4190ms	2 NS 2 A 1 MX	🔒 Secure	View