holmbergtand.dk

Records from scan: 2026-10-22 20:09:22 · 484ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holmbergtand.dk is a .dk domain served by 2 nameservers (ruben.ns.cloudflare.com, selah.ns.cloudflare.com). It was registered on 18 October 2026 (WHOIS) and first appeared in the .dk zone on 19 October 2026. Its website address 104.21.17.171 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ruben.ns.cloudflare.com	108.162.195.71 162.159.44.71 172.64.35.71 2606:4700:58::a29f:2c47 2803:f800:50::6ca2:c347 2a06:98c1:50::ac40:2347	ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com ruben.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
selah.ns.cloudflare.com	108.162.194.21 162.159.38.21 172.64.34.21 2606:4700:50::a29f:2615 2803:f800:50::6ca2:c215 2a06:98c1:50::ac40:2215	selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.ns.cloudflare.com selah.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.171	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.183	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:11ab	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b1b7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.171,172.67.177.183 ech=AEX+DQBBGQAgACDiiHPl0laZEXS39Cmk69e8HjShaNqQ1Yc7xEPeVJO/cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:11ab,2606:4700:3032::ac43:b1b7

📝 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

🧩 Web & zone#

checked 2026-10-22 20:09:22

www	104.21.17.171 172.67.177.183 2606:4700:3032::6815:11ab 2606:4700:3032::ac43:b1b7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network holmbergtand.dk: 104.21.17.171 172.67.177.183 2606:4700:3032::6815:11ab 2606:4700:3032::ac43:b1b7 (AS13335) www.holmbergtand.dk: 104.21.17.171 172.67.177.183 2606:4700:3032::6815:11ab 2606:4700:3032::ac43:b1b7 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.holmbergtand.dk	GrKg1AOcYAh4wX1VXaxpkojq2F6h3l-HT_wRg_amgeA
TXT	_acme-challenge.holmbergtand.dk	IWIqQHUIXR_qnK8I8kJI0cA-ZHMEQI2JaJluT3P5PAg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

67ms

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

🏷️ SOA#

24ms

Field	Value
Serial	2418159263
Primary NS (MNAME)	ruben.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 09:06:27

Field	Value
Registrar	Simply.com A/S
Registered	2026-10-18
Expires	2027-10-17 (359d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
holmbergtandlaegerne.dk	Simply.com A/S
holmbergtandlægerne.dk	Simply.com A/S
klinikholmberg.dk	Punktum dk A/S (direct)
stegetand.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

30ms

39ms

38ms

AAAA

36ms

TXT

177ms

CAA

18ms

HTTPS

47ms

TLSA

49ms

SOA

24ms

MTA-STS

61ms

DNSSEC

67ms

SRV

64ms

Total

484ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 20:09:22 shown	484ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-21 09:37:18	3029ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-20 08:58:43	441ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-19 08:34:08	1545ms	2 NS 2 A 0 MX	🔓 Insecure