holstchristensen.dk DNS records

🖥️ Nameservers2 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
collins.ns.cloudflare.com	108.162.194.226 162.159.38.226 172.64.34.226 2606:4700:50::a29f:26e2 2803:f800:50::6ca2:c2e2 2a06:98c1:50::ac40:22e2	collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com collins.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mike.ns.cloudflare.com	108.162.195.63 162.159.44.63 172.64.35.63 2606:4700:58::a29f:2c3f 2803:f800:50::6ca2:c33f 2a06:98c1:50::ac40:233f	mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.175	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.129.171	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1af	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:81ab	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=104.21.1.175,172.67.129.171 ech=AEX+DQBBuQAgACB9vsRVxsKcL2Mu7UmPq3EASQpYtG0h7TlezZEybwJJVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1af,2606:4700:3033::ac43:81ab

📝 TXT Records1 records 227ms

TXT Record
v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all

✉️ SPF

Policy	Record (holstchristensen.dk)
~all (soft fail)	v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 ~all

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.holstchristensen.dk	cwm8qoIj4CmppeitIsLCaA52d9ATptqAgR0f6rvPHuY

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC9079ms

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	2411650480
Primary NS (MNAME)	collins.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

64ms

A

63ms

MX

56ms

AAAA

55ms

TXT

227ms

CAA

51ms

HTTPS

66ms

TLSA

71ms

SOA

0ms

MTA-STS

70ms

DNSSEC

9079ms

SRV

77ms

Total

9512ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:45:40	9512ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-08 07:30:25	1013ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-03 04:00:12	1057ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 15:00:33	3262ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 06:25:38	2697ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 13:23:58	3067ms	2 NS 2 A 0 MX	🔓 Insecure	View