23-4-2011.dk DNS records

🖥️ Nameservers2 records 474ms

Nameserver	IP addresses	PTR	ASN / ISP
donald.ns.cloudflare.com	108.162.193.158 172.64.33.158 173.245.59.158 2606:4700:58::adf5:3b9e 2803:f800:50::6ca2:c19e 2a06:98c1:50::ac40:219e	donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com donald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zoe.ns.cloudflare.com	108.162.192.149 172.64.32.149 173.245.58.149 2606:4700:50::adf5:3a95 2803:f800:50::6ca2:c095 2a06:98c1:50::ac40:2095	zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com zoe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 490ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.30	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.123	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 568ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.23-4-2011.dk	104.21.13.30 172.67.132.123 2606:4700:3035::6815:d1e 2606:4700:3037::ac43:847b	— — — —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.13.30
🔶 Autoconfig	172.67.132.123

🔷 AAAA Records (IPv6)2 records 467ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:d1e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:847b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 453ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.30,172.67.132.123 ech=AEX+DQBB/AAgACDBkjkQD2BdrQQCoJ5nTdFmGVP+yIPiIHCHLdJamzCvagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:d1e,2606:4700:3037::ac43:847b

📝 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)

🔐 DNSSEC652ms

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	2412271557
Primary NS (MNAME)	donald.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

474ms

A

490ms

MX

568ms

AAAA

467ms

TXT

888ms

CAA

507ms

HTTPS

453ms

TLSA

404ms

SOA

0ms

MTA-STS

605ms

DNSSEC

652ms

SRV

540ms

Total

6211ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 22:10:31	6211ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-27 11:55:36	879ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 03:21:54	2404ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:48:39	733ms	2 NS 2 A 1 MX	🔓 Insecure	View