zalthor.dk

📜 Historical scan 2026-09-24 08:38:43 · ← Latest scan

zalthor.dk is a .dk domain served by 2 nameservers (houston.ns.cloudflare.com, kimora.ns.cloudflare.com). Its website address 104.21.14.173 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

2 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
houston.ns.cloudflare.com	108.162.195.52 162.159.44.52 172.64.35.52 2606:4700:58::a29f:2c34 2803:f800:50::6ca2:c334 2a06:98c1:50::ac40:2334	houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com houston.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kimora.ns.cloudflare.com	108.162.194.243 162.159.38.243 172.64.34.243 2606:4700:50::a29f:26f3 2803:f800:50::6ca2:c2f3 2a06:98c1:50::ac40:22f3	kimora.ns.cloudflare.com kimora.ns.cloudflare.com kimora.ns.cloudflare.com kimora.ns.cloudflare.com kimora.ns.cloudflare.com kimora.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.14.173	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.25	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:ead	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:a019	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.14.173,172.67.160.25 ech=AEX+DQBBGAAgACD2V7a1TtHJu1oRXTpFytgIE7eacg/vj74b8Y/8XEwPRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:ead,2606:4700:3034::ac43:a019

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.zalthor.dk	27SaXxUkYtr4AYJaLj4ZQQtvFIaniDRsA9tcGyV3-E4
TXT	_acme-challenge.zalthor.dk	fAmYLPBt09RekCAMmakFp34wv7Ei6xRbGl5z1kLmpqk

🔗 TLSA / DANE

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

🔐 DNSSEC

139ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA

0ms

Field	Value
Serial	2415691947
Primary NS (MNAME)	houston.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

35ms

44ms

38ms

AAAA

52ms

TXT

214ms

CAA

28ms

HTTPS

33ms

TLSA

48ms

SOA

0ms

MTA-STS

89ms

DNSSEC

139ms

SRV

66ms

Total

624ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-26 08:51:57	688ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 08:38:43 shown	624ms	2 NS 2 A 0 MX	🔓 Insecure