nielschristensen.dk DNS records

🖥️ Nameservers2 records 203ms

Nameserver	IP addresses	PTR	ASN / ISP
fish.ns.cloudflare.com	108.162.194.252 162.159.38.252 172.64.34.252 2606:4700:50::a29f:26fc 2803:f800:50::6ca2:c2fc 2a06:98c1:50::ac40:22fc	fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com fish.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ishaan.ns.cloudflare.com	108.162.195.213 162.159.44.213 172.64.35.213 2606:4700:58::a29f:2cd5 2803:f800:50::6ca2:c3d5 2a06:98c1:50::ac40:23d5	ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 212ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.215	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.85	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 221ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b255	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:11d7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 225ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.215,172.67.178.85 ech=AEX+DQBBCgAgACC1cMxX6Kl+n6q/1u9xrViwPQc9pFWRov6EpDbJO6z/XQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b255,2606:4700:3033::6815:11d7

📝 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)

🔐 DNSSEC637ms

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	2408572480
Primary NS (MNAME)	fish.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

203ms

A

212ms

MX

230ms

AAAA

221ms

TXT

982ms

CAA

252ms

HTTPS

225ms

TLSA

199ms

SOA

0ms

MTA-STS

267ms

DNSSEC

637ms

SRV

306ms

Total

4045ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-04 17:04:56	4045ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-01 10:41:54	892ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 06:16:30	928ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 14:24:39	863ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-06-22 22:34:20	1164ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 20:19:39	1038ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 06:15:03	2949ms	4 NS 1 A 1 MX	🔓 Insecure	View