optiknørrebro.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
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.
gerald.ns.cloudflare.com	108.162.193.168 172.64.33.168 173.245.59.168 2606:4700:58::adf5:3ba8 2803:f800:50::6ca2:c1a8 2a06:98c1:50::ac40:21a8	gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.59	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.58	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.3.59
🔶 Autoconfig	104.21.3.59

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:33b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:993a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.59,172.67.153.58 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:33b,2606:4700:3037::ac43:993a

📝 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)

🔐 DNSSEC102ms

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	2409978829
Primary NS (MNAME)	april.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

53ms

A

56ms

MX

54ms

AAAA

56ms

TXT

249ms

CAA

59ms

HTTPS

66ms

TLSA

71ms

SOA

0ms

MTA-STS

63ms

DNSSEC

102ms

SRV

98ms

Total

699ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:21:42	699ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 06:00:23	666ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-21 04:51:43	910ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-18 18:11:11	937ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 01:23:33	896ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 17:38:55	4092ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-21 04:50:52	347ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 15:38:32	728ms	2 NS 2 A 0 MX	🔒 Secure	View