holw.dk

📜 Historical scan 2026-07-19 07:34:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holw.dk is a .dk domain served by 2 nameservers (kurt.ns.cloudflare.com, laura.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.32 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by holw-dk.mail.protection.outlook.com. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
kurt.ns.cloudflare.com	108.162.193.193 172.64.33.193 173.245.59.193 2606:4700:58::adf5:3bc1 2803:f800:50::6ca2:c1c1 2a06:98c1:50::ac40:21c1	kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.32	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.77	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	holw-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 52.101.68.10 52.101.68.12 52.101.68.32 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.88.32

🔷 AAAA Records (IPv6)#

2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:5820	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:964d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.32,172.67.150.77 ech=AEX+DQBBEAAgACDwwbQR7LrUwAoJ6x+VJtsdI1/+Ze1vXT2gUYke3eEXJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5820,2606:4700:3037::ac43:964d

📝 TXT Records#

2 records 282ms

TXT Record
MS=ms40174477
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (holw.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 13:16:47

www	104.21.88.32 172.67.150.77 2606:4700:3032::6815:5820 2606:4700:3037::ac43:964d (AS13335) (address records, no CNAME)
www vs bare domain	Same network holw.dk: 104.21.88.32 172.67.150.77 2606:4700:3032::6815:5820 2606:4700:3037::ac43:964d (AS13335) www.holw.dk: 104.21.88.32 172.67.150.77 2606:4700:3032::6815:5820 2606:4700:3037::ac43:964d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

148ms

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	2409849493
Primary NS (MNAME)	kurt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

33ms

43ms

45ms

AAAA

48ms

TXT

282ms

CAA

47ms

HTTPS

35ms

TLSA

1236ms

SOA

0ms

MTA-STS

39ms

DNSSEC

148ms

SRV

157ms

Total

10443ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:16:47	2597ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 05:26:42	1060ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 00:01:22	1566ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 21:13:33	6562ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 07:34:49 shown	10443ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 11:54:13	2543ms	2 NS 2 A 1 MX	🔓 Insecure