riddlehouse.dk

📜 Historical scan 2026-09-30 10:55:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

riddlehouse.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 9 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.10 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by riddlehouse-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.193.213.10	3600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—
141.193.213.11	3600s	—	AS209242	Cloudflare London, LLC	141.193.213.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	riddlehouse-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca48::a 52.101.103.143 52.101.103.36 52.101.103.39 52.101.181.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.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	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 132ms

TXT Record
google-site-verification=xZTiA8Pb4iLEkX1xKC6GBKWkPuz6WbMoOpCEGW7j95o
MS=C628BF8A9C9B281ECA60CDC6E8CA857AFE513984
v=DMARC1; p=none
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ip4:93.191.155.217 ~all

✉️ SPF#

Policy	Record (riddlehouse.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ip4:93.191.155.217 ~all

📨 DMARC#

Policy	Record (_dmarc.riddlehouse.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 2026-10-08 08:47:33

www CNAME	riddlehouse.dk (all on riddlehouse.dk) → 141.193.213.10 141.193.213.11 (AS209242)
www vs bare domain	Same network riddlehouse.dk: 141.193.213.10 141.193.213.11 (AS209242) www.riddlehouse.dk: 141.193.213.10 141.193.213.11 (AS209242)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-riddlehouse-dk._domainkey.riddlehousedk.onmicrosoft.com	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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

31ms

Field	Value
Serial	2025080701
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 13:27:32

Field	Value
Registrar	DANDOMAIN A/S
Registered	2018-09-09
Expires	2027-09-30 (341d)

🔗 Same registrant#

3 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
escaperoom-riddlehouse.dk	DANDOMAIN A/S
escaperoomriddlehouse.dk	DANDOMAIN A/S
riddlehouse-escape-room.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

35ms

25ms

33ms

AAAA

27ms

TXT

132ms

CAA

53ms

HTTPS

49ms

TLSA

305ms

SOA

31ms

MTA-STS

42ms

DNSSEC

59ms

SRV

55ms

Total

805ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 08:47:33	1064ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 10:55:37 shown	805ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 00:41:21	801ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 15:18:22	1484ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 09:04:56	1188ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:11:01	908ms	2 NS 2 A 1 MX	🔒 Secure