rackethouse.dk DNS records

🖥️ Nameservers2 records 351ms

Nameserver	IP addresses	PTR	ASN / ISP
henry.ns.cloudflare.com	108.162.193.176 172.64.33.176 173.245.59.176 2606:4700:58::adf5:3bb0 2803:f800:50::6ca2:c1b0 2a06:98c1:50::ac40:21b0	henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com henry.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
may.ns.cloudflare.com	108.162.192.135 172.64.32.135 173.245.58.135 2606:4700:50::adf5:3a87 2803:f800:50::6ca2:c087 2a06:98c1:50::ac40:2087	may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 321ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.6	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.248	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 326ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	rackethouse-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 52.101.68.10 52.101.68.27 52.101.73.30 52.101.73.6	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am6pr04cu00306.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	104.21.15.6
🔶 Autoconfig	104.21.15.6

🔷 AAAA Records (IPv6)2 records 330ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:f06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a0f8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 289ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.6,172.67.160.248 ech=AEX+DQBBrAAgACB6OFUSmj1YOK0lasWwXq0Sc8XBCz2NSMqcCXITbeVnIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:f06,2606:4700:3036::ac43:a0f8

📝 TXT Records3 records 693ms

TXT Record
MS=ms11113624
MS=ms23914820
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rackethouse.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rackethouse.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.rackethouse.dk	8zVetgLIrPIJBu-wWDz6CMV3ZWzt-SVPas5vytUh76M
TXT	_acme-challenge.rackethouse.dk	BBaw5XZ5TxPJiHeioprKWxJQYgOM-kETgETGdeHl1nU

🔗 TLSA / DANE

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

🔐 DNSSEC536ms

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

🏷️ SOA0ms

Field	Value
Serial	2412634299
Primary NS (MNAME)	henry.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-09-03 22:46:06

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-05-01
Expires	2027-04-30 (237d)

📋 WHOIS

⏱️ Lookup Timing

NS

351ms

A

321ms

MX

326ms

AAAA

330ms

TXT

693ms

CAA

254ms

HTTPS

289ms

TLSA

1454ms

SOA

0ms

MTA-STS

417ms

DNSSEC

536ms

SRV

367ms

Total

17034ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 22:45:51	840ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-28 01:16:09	753ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-27 00:35:58	998ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-22 08:09:16	2026ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-21 07:49:52	15393ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-20 07:23:03	17034ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 05:30:09	6637ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 12:20:59	9013ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 15:46:34	1072ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 11:12:26	1089ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:49:33	877ms	2 NS 1 A 1 MX	🔒 Secure	View