holkas.dk

📜 Historical scan 2026-09-19 13:46:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holkas.dk is a .dk domain served by 2 nameservers (damien.ns.cloudflare.com, raphaela.ns.cloudflare.com). It was registered on 28 May 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.25 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route3.mx.cloudflare.net and 1 more. 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 59ms

Nameserver	IP addresses	PTR	ASN / ISP
damien.ns.cloudflare.com	108.162.195.168 162.159.44.168 172.64.35.168 2606:4700:58::a29f:2ca8 2803:f800:50::6ca2:c3a8 2a06:98c1:50::ac40:23a8	damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com damien.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
raphaela.ns.cloudflare.com	108.162.194.192 162.159.38.192 172.64.34.192 2606:4700:50::a29f:26c0 2803:f800:50::6ca2:c2c0 2a06:98c1:50::ac40:22c0	raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.ns.cloudflare.com raphaela.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.25	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.45	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
48	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
91	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
93	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.205.45
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:3d19	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:cd2d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.25,172.67.205.45 ech=AEX+DQBBjwAgACDJcfvz895kxDQatZxFQN6u2sWKg6++BvZLLDQOfivpFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3d19,2606:4700:3034::ac43:cd2d

🔌 SRV Records#

1 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 164ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (holkas.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.holkas.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-08 12:21:25

www	104.21.61.25 172.67.205.45 2606:4700:3034::6815:3d19 2606:4700:3034::ac43:cd2d (AS13335) (address records, no CNAME)
www vs bare domain	Same network holkas.dk: 104.21.61.25 172.67.205.45 2606:4700:3034::6815:3d19 2606:4700:3034::ac43:cd2d (AS13335) www.holkas.dk: 104.21.61.25 172.67.205.45 2606:4700:3034::6815:3d19 2606:4700:3034::ac43:cd2d (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

9 records 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

107ms

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	2415226977
Primary NS (MNAME)	damien.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 15:23:29

Field	Value
Registrar	Simply.com A/S
Registered	2021-05-28
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

35ms

43ms

AAAA

36ms

TXT

164ms

CAA

48ms

HTTPS

42ms

TLSA

62ms

SOA

0ms

MTA-STS

71ms

DNSSEC

107ms

SRV

58ms

Total

1611ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 03:03:42	1070ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-19 13:46:30 shown	1611ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-16 13:41:06	1430ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 01:43:21	604ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 11:41:26	696ms	4 NS 1 A 1 MX	🔒 Secure