fysik-kemifokus.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.193	60s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 104ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:1ec:46::53	60s	—	AS8075	Microsoft Corporation	2620:1ec:46:0:0:0:0:0/47	🇺🇸 United States	—
2620:1ec:bdf::53	60s	—	AS8075	Microsoft Corporation	2620:1ec:b00:0:0:0:0:0/40	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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)

🔐 DNSSEC129ms

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	2412431362
Primary NS (MNAME)	cortney.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

46ms

A

73ms

MX

76ms

AAAA

104ms

TXT

268ms

CAA

44ms

HTTPS

66ms

TLSA

57ms

SOA

0ms

MTA-STS

52ms

DNSSEC

129ms

SRV

709ms

Total

1075ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 23:47:53	1075ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-28 09:05:06	1101ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 10:07:15	924ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-16 20:04:29	1949ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-12 11:44:00	8878ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-23 14:27:26	721ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-21 11:13:31	441ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-20 15:50:32	1701ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-20 10:23:50	1713ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-17 09:26:47	570ms	2 NS 1 A 0 MX	🔓 Insecure	View