ringhus.dk

📜 Historical scan 2026-09-28 15:55:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ringhus.dk is a .dk domain served by 2 nameservers (greg.ns.cloudflare.com, jill.ns.cloudflare.com). It was registered on 2 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.246 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.ringhus.dk. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
greg.ns.cloudflare.com	108.162.193.115 172.64.33.115 173.245.59.115 2606:4700:58::adf5:3b73 2803:f800:50::6ca2:c173 2a06:98c1:50::ac40:2173	greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com greg.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jill.ns.cloudflare.com	108.162.192.122 172.64.32.122 173.245.58.122 2606:4700:50::adf5:3a7a 2803:f800:50::6ca2:c07a 2a06:98c1:50::ac40:207a	jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.ns.cloudflare.com jill.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
104.21.5.246	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.14	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.ringhus.dk	188.40.219.172 2a01:4f8:1061:156c::2	www653.your-server.de www653.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	srv02.hel.ringhus.dk → 65.108.54.75
🔶 Autoconfig	mail.your-server.de → 78.46.5.205

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:860e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:5f6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.246,172.67.134.14 ech=AEX+DQBB/wAgACBHIVaCypVRzKSbJ6cS/hHY7R4sQz6Y9Fo5o4Y/xg4ISwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:860e,2606:4700:3031::6815:5f6

🔌 SRV Records#

2 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de
_imaps._tcp	0	100	993	mail.your-server.de

📝 TXT Records#

1 records 177ms

TXT Record
v=spf1 a mx ip4:188.40.219.172 ip6:2a01:4f8:1061:156c::2 include:mail.your-server.de -all

✉️ SPF#

Policy	Record (ringhus.dk)
-all (hard fail)	v=spf1 a mx ip4:188.40.219.172 ip6:2a01:4f8:1061:156c::2 include:mail.your-server.de -all

📨 DMARC#

Policy	Record (_dmarc.ringhus.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@ringhus.dk; adkim=s; aspf=s

📬 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 2026-10-19 19:54:11

www	104.21.5.246 172.67.134.14 2606:4700:3030::ac43:860e 2606:4700:3031::6815:5f6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ringhus.dk: 104.21.5.246 172.67.134.14 2606:4700:3030::ac43:860e 2606:4700:3031::6815:5f6 (AS13335) www.ringhus.dk: 104.21.5.246 172.67.134.14 2606:4700:3030::ac43:860e 2606:4700:3031::6815:5f6 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

error include:mail.your-server.de has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ringhus.dk	W2lFmwjpawBIr5chheSxzPW9cMvoXOcZ0OWyo3h_a8k
TXT	_acme-challenge.ringhus.dk	gmw6AcgYiRdp4qLGEMFa7PN0p_Rf-9IzsKgBAO-21mA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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	2416080397
Primary NS (MNAME)	greg.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:11:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-03-02
Expires	2027-03-31 (161d)

🔗 Same registrant#

1 domain

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
autismo.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

35ms

46ms

AAAA

43ms

TXT

177ms

CAA

38ms

HTTPS

40ms

TLSA

353ms

SOA

0ms

MTA-STS

78ms

DNSSEC

113ms

SRV

75ms

Total

1240ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-19 19:54:11	696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-18 18:49:07	1605ms	2 NS 2 A 1 MX	❓ Unknown
2026-10-16 17:44:09	709ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-15 15:56:13	2524ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 11:54:48	3193ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-12 10:53:29	792ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 08:50:25	2187ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-10 07:56:51	3092ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 00:24:19	1062ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 21:33:51	759ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-03 21:29:04	2311ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 21:26:35	2202ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 21:14:30	989ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:11:58	1423ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 15:55:42 shown	1240ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 15:38:52	967ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 15:31:03	2201ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 15:05:01	1222ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 00:58:05	2307ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 22:06:27	2405ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 20:56:35	1813ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 16:58:59	2142ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 16:25:36	815ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 14:18:00	974ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 17:31:31	1953ms	2 NS 2 A 1 MX	🔓 Insecure