fysik.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
hera.ns.cloudflare.com	108.162.192.162 172.64.32.162 173.245.58.162 2606:4700:50::adf5:3aa2 2803:f800:50::6ca2:c0a2 2a06:98c1:50::ac40:20a2	hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com hera.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tosana.ns.cloudflare.com	108.162.195.43 162.159.44.43 172.64.35.43 2606:4700:58::a29f:2c2b 2803:f800:50::6ca2:c32b 2a06:98c1:50::ac40:232b	tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.ns.cloudflare.com tosana.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
104.21.86.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.29	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:56c1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:881d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.193,172.67.136.29 ech=AEX+DQBB2gAgACDdGXq0rJF+bd5LM3CRD016rLlGsafUbGoQHXnM8UVuQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:56c1,2606:4700:3035::ac43:881d

📝 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)

🔐 DNSSEC74ms

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	2409375552
Primary NS (MNAME)	hera.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

32ms

A

32ms

MX

34ms

AAAA

33ms

TXT

180ms

CAA

31ms

HTTPS

32ms

TLSA

47ms

SOA

0ms

MTA-STS

50ms

DNSSEC

74ms

SRV

44ms

Total

861ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-17 17:03:38	861ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 00:18:34	1934ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 13:49:22	1148ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 13:29:53	564ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:31:27	771ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:29:18	4504ms	2 NS 2 A 0 MX	🔓 Insecure	View