holder100.dk

📜 Historical scan 2026-09-29 12:20:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holder100.dk is a .dk domain served by 2 nameservers (daniella.ns.cloudflare.com, zahir.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.100 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by holder100-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
daniella.ns.cloudflare.com	108.162.194.228 162.159.38.228 172.64.34.228 2606:4700:50::a29f:26e4 2803:f800:50::6ca2:c2e4 2a06:98c1:50::ac40:22e4	daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com daniella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zahir.ns.cloudflare.com	108.162.195.145 162.159.44.145 172.64.35.145 2606:4700:58::a29f:2c91 2803:f800:50::6ca2:c391 2a06:98c1:50::ac40:2391	zahir.ns.cloudflare.com zahir.ns.cloudflare.com zahir.ns.cloudflare.com zahir.ns.cloudflare.com zahir.ns.cloudflare.com zahir.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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.100	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.4	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	holder100-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.103.137 52.101.209.153 52.101.68.12 52.101.68.8	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00100.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	104.21.43.100

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2b64	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:b204	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.100,172.67.178.4 ech=AEX+DQBBiQAgACDSoUSCKbTK2Y586elmPjHcwrOx3/uVl4ncEWQ0qXq6fQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2b64,2606:4700:3033::ac43:b204

📝 TXT Records#

5 records 166ms

TXT Record
facebook-domain-verification=olhq68qk6lxsljjw158u89e1vxjuq1
google-site-verification=6xoUtIeQLgkgFlM33mHlPEJF-Cq0Bn_wPtVQAmQY8zQ
MS=ms62232499
Sendinblue-code:4f752977947c38b090c8f83b8cd94c51
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (holder100.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.holder100.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-11 05:43:07

www	104.21.43.100 172.67.178.4 2606:4700:3033::6815:2b64 2606:4700:3033::ac43:b204 (AS13335) (address records, no CNAME)
www vs bare domain	Same network holder100.dk: 104.21.43.100 172.67.178.4 2606:4700:3033::6815:2b64 2606:4700:3033::ac43:b204 (AS13335) www.holder100.dk: 104.21.43.100 172.67.178.4 2606:4700:3033::6815:2b64 2606:4700:3033::ac43:b204 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.holder100.dk	JdTIoJke3K3ZOrFm-7AXWz0ElkhITX4ZVClYGTAyBPs
TXT	_acme-challenge.holder100.dk	_jEBkl2XqXsSnV5h8M4ppwMXNlqQVaOpBQOb4OykUBQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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	2416159829
Primary NS (MNAME)	daniella.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#

51ms

48ms

38ms

AAAA

46ms

TXT

166ms

CAA

37ms

HTTPS

32ms

TLSA

743ms

SOA

0ms

MTA-STS

67ms

DNSSEC

126ms

SRV

56ms

Total

1507ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:00:09	2130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 00:47:22	1136ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 12:20:56 shown	1507ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 22:13:02	2094ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 17:43:30	1530ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-03 17:50:15	4230ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-09 02:44:13	11065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 00:46:20	1211ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:12:50	261ms	0 NS 0 A 0 MX	❓ Unknown