racks.dk

Records from scan: 2026-10-17 08:40:29 · 2645ms total · last checked 2026-10-18 08:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

racks.dk is a .dk domain served by 2 nameservers (dee.ns.cloudflare.com, kyrie.ns.cloudflare.com). It was registered on 27 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.166 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a 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 92ms

Nameserver	IP addresses	PTR	ASN / ISP
dee.ns.cloudflare.com	108.162.192.93 172.64.32.93 173.245.58.93 2606:4700:50::adf5:3a5d 2803:f800:50::6ca2:c05d 2a06:98c1:50::ac40:205d	dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kyrie.ns.cloudflare.com	108.162.195.38 162.159.44.38 172.64.35.38 2606:4700:58::a29f:2c26 2803:f800:50::6ca2:c326 2a06:98c1:50::ac40:2326	kyrie.ns.cloudflare.com kyrie.ns.cloudflare.com kyrie.ns.cloudflare.com kyrie.ns.cloudflare.com kyrie.ns.cloudflare.com kyrie.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 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.45	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	91.133.35.43
🔶 Autoconfig	91.133.35.43

🔷 AAAA Records (IPv6)#

2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:38a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bb2d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.166,172.67.187.45 ech=AEX+DQBBfAAgACBkVpA/zTSZWKKXbIWzMIbvY3HhrHjbKrAOeMNn2n3VGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:38a6,2606:4700:3037::ac43:bb2d

📝 TXT Records#

2 records 388ms

TXT Record
protonmail-verification=668adec3b628228bebde3a652e9c40c2634c7e87
v=spf1 include:_spf.protonmail.ch -all

✉️ SPF#

Policy	Record (racks.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch -all

📨 DMARC#

Policy	Record (_dmarc.racks.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:d9934efe71f4418d8e7ccb3ee3b12dab@dmarc-reports.cloudflare.net;

📬 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 2026-10-17 08:40:30

www	104.21.56.166 172.67.187.45 2606:4700:3036::6815:38a6 2606:4700:3037::ac43:bb2d (AS13335) (address records, no CNAME)
www vs bare domain	Same network racks.dk: 104.21.56.166 172.67.187.45 2606:4700:3036::6815:38a6 2606:4700:3037::ac43:bb2d (AS13335) www.racks.dk: 104.21.56.166 172.67.187.45 2606:4700:3036::6815:38a6 2606:4700:3037::ac43:bb2d (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 276ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

207ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2417693433
Primary NS (MNAME)	dee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 09:22:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-08-27
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

97ms

120ms

AAAA

72ms

TXT

388ms

CAA

105ms

HTTPS

67ms

TLSA

276ms

SOA

49ms

MTA-STS

145ms

DNSSEC

207ms

SRV

165ms

Total

2645ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 08:40:29 shown	2645ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-15 08:19:18	664ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-09 01:32:16	1073ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-05 23:23:55	554ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-01 23:11:22	953ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 23:09:52	869ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-23 21:09:20	892ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-08 07:03:52	2596ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 07:03:15	1427ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 06:48:33	1085ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-20 03:33:49	2443ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-19 02:39:59	10472ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-11 04:24:52	1555ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-09 11:12:17	1963ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-02 02:22:39	2428ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-17 06:04:22	1819ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-03 12:16:21	5693ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 23:07:20	2168ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 15:00:02	1336ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-20 20:40:17	1535ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-17 15:29:52	887ms	2 NS 2 A 2 MX	🔒 Secure