rhkonstruktion.dk

Records from scan: 2026-10-09 17:02:59 · 2728ms total · last checked 2026-10-17 03:35 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rhkonstruktion.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, justin.ns.cloudflare.com). It was registered on 12 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.148 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 73ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.63	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 340ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.onlinemail.io	185.21.42.12	mx1.onlinemail.io	AS48854 team.blue Denmark A/S
20	3600s	mx2.onlinemail.io	46.36.208.16	mx2.onlinemail.io	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.onlinemail.io → 185.21.40.62

🔷 AAAA Records (IPv6)#

2 records 309ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:4c94	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:c43f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 362ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.148,172.67.196.63 ech=AEX+DQBBKwAgACBqIMUlsck60q97WpfsNViFHlTsVrlkOrq2UFo/mjdvIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4c94,2606:4700:3035::ac43:c43f

📝 TXT Records#

1 records 592ms

TXT Record
v=spf1 a include:spf.curanet.dk ~all

✉️ SPF#

Policy	Record (rhkonstruktion.dk)
~all (soft fail)	v=spf1 a include:spf.curanet.dk ~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#

checked 2026-10-09 17:02:59

www	104.21.76.148 172.67.196.63 2606:4700:3032::6815:4c94 2606:4700:3035::ac43:c43f (AS13335) (address records, no CNAME)
www vs bare domain	Same network rhkonstruktion.dk: 104.21.76.148 172.67.196.63 2606:4700:3032::6815:4c94 2606:4700:3035::ac43:c43f (AS13335) www.rhkonstruktion.dk: 104.21.76.148 172.67.196.63 2606:4700:3032::6815:4c94 2606:4700:3035::ac43:c43f (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

463ms

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

🏷️ SOA#

78ms

Field	Value
Serial	2417027943
Primary NS (MNAME)	barbara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 17:25:49

Field	Value
Registrar	CURANET A/S
Registered	2026-06-12
Expires	2027-06-11 (236d)

📋 WHOIS#

⏱️ Lookup Timing#

73ms

65ms

340ms

AAAA

309ms

TXT

592ms

CAA

303ms

HTTPS

362ms

TLSA

1216ms

SOA

78ms

MTA-STS

372ms

DNSSEC

463ms

SRV

459ms

Total

2728ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 17:02:59 shown	2728ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 23:35:17	833ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 17:10:39	2643ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-12 03:04:12	4137ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-24 05:28:12	897ms	2 NS 2 A 2 MX	❓ Unknown
2026-06-17 15:29:23	1107ms	2 NS 2 A 2 MX	🔓 Insecure